[ { "id": 139, "name": "FitFu", "slug": "fitfu", "former_names": [], "small_logo_thumb_url": "/company/thumb/missing.png", "website": "http://fitfu.com", "all_locations": "Ringwood, NJ, USA", "long_description": "[FitFu is now closed. Here's the original description. It was one of the first gamified fitness apps]\r\n\r\n* Track your motion\r\n\r\nUsing the accelerometer on your iPhone or iPod Touch, FitFu gives you feedback to help you keep going and reach your goals.\r\n\r\n* Celebrate progress with friends\r\n\r\nFriends are the key to sticking to your goals, so we've made FitFu social; whether you want to cheer them on, thank them for help or just compare your progress.\r\n\r\n* Discover a new way to stay motivated\r\n\r\nThe more you and your friends are active, the higher your level and the higher your points. Unlock new content as you progress.\r\n\r\n* Stay active wherever, whenever\r\n\r\nNo more being tied to a games console or a gym, now you can stay active wherever you are - be that your bedroom, your office, a hotel room or in the cabin of your Mississippi boat.", "one_liner": "New projects", "team_size": 2, "industry": "Consumer", "subindustry": "Consumer -> Home and Personal", "launched_at": 1326789720, "tags": [ "Health Tech", "Fitness" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2011", "status": "Inactive", "industries": [ "Consumer", "Home and Personal" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/fitfu", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2011/fitfu.json", "year_founded": null, "city": "Ringwood", "country": "US", "linkedin_url": "", "x_url": "", "fb_url": null, "cb_url": "https://www.crunchbase.com/organization/fitfu", "github_url": null, "logo_url": null, "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 15353, "full_name": "Jof Arnold", "title": "Founder/Co-designer", "founder_bio": "Cofounder of YC W11 motion-tracking fitness app FitFu", "is_active": false, "linkedin_url": "https://www.linkedin.com/in/jofarnold", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/79f6909cc79dbd90fb2d8c647ed12ac11b617d7b.jpg" }, { "user_id": 15986, "full_name": "Benjie Gillam", "title": "Founder", "founder_bio": null, "is_active": false, "linkedin_url": "https://www.linkedin.com/in/benjiegillam", "x_url": null, "avatar_thumb_url": "/avatars/thumb/missing.png" } ], "jobs": [], "news": [], "launches": [] }, { "id": 567, "name": "Weilos", "slug": "weilos", "former_names": [], "small_logo_thumb_url": "/company/thumb/missing.png", "website": "http://weilos.com", "all_locations": "San Francisco, CA, USA", "long_description": "Weilos is a safe community for people to share their fitness updates to inspire others and receive support. Users view real body transformations and healthy photo updates from other dieters on a streaming newsfeed. They can then post themselves to receive support and tips from other like minded people. The app also has a special camera tool so users can take perfectly lined up progress photos to visualize their smallest improvements.", "one_liner": "Weight loss coaching.", "team_size": 11, "industry": "Healthcare", "subindustry": "Healthcare -> Consumer Health and Wellness", "launched_at": 1367523831, "tags": [ "Fitness", "Health & Wellness" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2013", "status": "Acquired", "industries": [ "Healthcare", "Consumer Health and Wellness" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/weilos", "api": "https://devasheeshg.github.io/yc-api/batches/summer-2013/weilos.json", "year_founded": null, "city": "San Francisco", "country": "US", "linkedin_url": null, "x_url": null, "fb_url": null, "cb_url": "https://www.crunchbase.com/organization/weilos", "github_url": null, "logo_url": null, "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 38185, "full_name": "Ray Wu", "title": "Founder", "founder_bio": null, "is_active": true, "linkedin_url": "https://www.linkedin.com/in/rayhwu", "x_url": null, "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/42e6791a6a106400b1442d3cd2c7ac14d065e0c0.jpg" } ], "jobs": [], "news": [], "launches": [] }, { "id": 580, "name": "Bellabeat", "slug": "bellabeat", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/ed160215b7a30dc30384bfcf6e726bac65688aff.png", "website": "http://bellabeat.com", "all_locations": "San Francisco, CA, USA", "long_description": "Founded in 2014, Bellabeat is a data-centered wellness femtech company behind some of the most fashionably designed tech-powered wellness products and one of the fastest-growing wellness subscription services for women. Throughout the years, Bellabeat built the go-to wellness brand with a compelling ecosystem of solutions and services focused on women’s health. The success of the Leaf and Ivy wearables enabled the brand to expand to international markets and kickstart industry discussions on the importance of innovating in the design and development of tech products. Today, Bellabeat is leading the market shift with hyper-personalized holistic wellness offerings aligned with a women’s menstrual cycle. ", "one_liner": "Tech-powered women's wellness.", "team_size": 134, "industry": "Consumer", "subindustry": "Consumer -> Consumer Electronics", "launched_at": 1384978624, "tags": [ "Fitness", "Health & Wellness", "Femtech" ], "tags_highlighted": [], "top_company": true, "isHiring": false, "nonprofit": false, "batch": "Winter 2014", "status": "Active", "industries": [ "Consumer", "Consumer Electronics" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": [ { "question": "How did your company get started? (i.e., How did the founders meet? How did you come up with the idea? How did you decide to be a founder?)", "answer": "The company was co-founded by Sandro, a developer, and Urska, a designer & sculptor. Our journey began with building remote patient monitoring systems for medical clinics. However, as the public health system was slow in adopting new technologies, we saw an opportunity in the consumer market. We never went into this with the idea of being founders per se, we just wanted to build things that will help women. " }, { "question": "How did you decide to apply to Y Combinator? What was your experience applying, going through the batch, and fundraising at demo day?", "answer": "Our journey starts in 2013 when we won the Pioneers Challenge and met Michael Seibel, who later became one of our angel investors. We were really impressed by Michael's stories about the Y Combinator community and decided to apply to the program. The process was fairly vigorous and competitive, but our persistence paid off and we were accepted into the Y Combinator '14 batch. The experience itself was incredibly intense, as we were one of a few foreign, let alone hardware companies in our batch which made us work even harder to adapt to the different business mentality in Silicon Valley. Nonetheless, we successfully completed the program and moved on to fundraising on demo day. We were able to raise a significant portion of our seed round on the spot and immediately after demo day. Despite these challenges, we remained committed to our goals and were able to overcome the obstacles in our path, which made the experience a memorable and incredible one." }, { "question": "How have you kept in touch with the YC community and continued to use YC resources & programs since the batch ended?", "answer": "We stay connected with the Y Combinator community and maintain close relationships with our batchmates, other founders, and select teams from Europe. This helps us stay updated on each other's progress, find ways to help each other, and take advantage of Y Combinator resources and programs, which have been essential for growing our company and achieving goals." }, { "question": "What's the history of your company from getting started until the present day? What were the big inflection points?", "answer": "Bellabeat started as a company focused on addressing the lack of attention given to women's wellness in the market with the mission to understand and improve women's health & wellness from a holistic standpoint. Over the years, we have evolved to become a leading solution for women's health and wellness. In 2014, we were a part of the top cohort at Y Combinator and raised a substantial seed round. This was followed by the launch of our flagship product— Leaf Nature, the first wellness tracker designed for women, the following year. In 2019, we introduced a membership program offering personalized health and wellness guidance, further solidifying our position in the market. We continued innovating and in 2021, we launched Ivy, a new wearable device that provides personalized health guidance based on a woman's menstrual cycle and biometric data. Throughout our journey, we made a significant impact, launching various Leaf editions, Time smartwatch, as well as Spring- a smart bottle. We’re proud that our products are not only helping women reach their full potential, but also accompanying them during the most important parts of their lives. " }, { "question": "What is the core problem you are solving? Why is this a big problem? What made you decide to work on it?", "answer": "Realizing the lack of attention given to women's wellness in the market, we founded Bellabeat with the mission to understand and improve women's health by utilizing the cycle as a focal point of women’s health and wellness. We noticed that women, in pursuit of knowledge about their health & well-being, only relied on information gathered through reading online, joining forums, or visiting their physicians. While these sources are great to educate women, they’re missing a key point that women need in order to understand their bodies on a daily—biofeedback.When creating Ivy and combing it with our personalized programs and cycle input, we wanted to give women the tools they need to understand their bodies every day, receive actionable advice, and see the change for themselves. By delivering timely and appropriate guidance adjusted to the different stages of the menstrual cycle, every individual user’s unique bio-responses, and lifestyle tracked through sensor technology, we’re introducing women to a way of life that is in sync with their natural hormonal rhythm. A way that leads to a healthier lifestyle and a healthier future where women start working with their bodies instead of against them to achieve their wellness goals. " }, { "question": "What is your long-term vision? If you truly succeed, what will be different about the world?", "answer": "Our long-term vision is to revolutionize the understanding of women's cycle and wellness to empower them to live their full potential. By providing personalized guidance through our subscription option, we aim to bring a new perspective to women's health and wellness that goes beyond traditional approaches. Our goal is to become the leading femtech company in the world and help women lead healthier, better, and more equitable lives." } ], "url": "https://www.ycombinator.com/companies/bellabeat", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2014/bellabeat.json", "year_founded": 2014, "city": "San Francisco", "country": "US", "linkedin_url": "https://www.linkedin.com/company/bellabeatinc", "x_url": "https://twitter.com/GetBellaBeat", "fb_url": "https://web.facebook.com/bellabeat/", "cb_url": "https://www.crunchbase.com/organization/bellabeat", "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/ed160215b7a30dc30384bfcf6e726bac65688aff.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 38307, "full_name": "Urska Srsen", "title": "Founder/CCO", "founder_bio": "Urska Srsen is the co­founder and CCO of Bellabeat Inc. Urska is the detail­ obsessed execution force behind Bellabeat’s brand and products.\nIn 2016 Urska was chosen by Forbes as the ambassador of the Technology field for their first European 30 under 30 list. She was nominated as best female entrepreneur in Croatia in 2016 by Veuve Clicquot and has also received the Jabolko Navdiha (Apple of Inspiration) award from the President of the Republic of Slovenia.", "is_active": true, "linkedin_url": "", "x_url": "https://twitter.com/UrskaSrsen", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/a497d0602d64e38da3c196c439281def8f7699bb.jpg" }, { "user_id": 15455, "full_name": "Sandro Mur", "title": "Founder", "founder_bio": null, "is_active": true, "linkedin_url": null, "x_url": null, "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/7ea4ff493f1b0bdb4f8683278e825d8155ee804a.jpg" } ], "jobs": [], "news": [ { "title": "Bellabeat's Ivy bracelet tries to do it all -- but it can only do some • TechCrunch", "url": "https://techcrunch.com/2021/11/12/bellabeat-ivy-bracelet-health-tracker-review/", "date": "Nov 12, 2021" }, { "title": "Bellabeat Leaf's new wearable and app help women tackle stress • TechCrunch", "url": "https://techcrunch.com/2016/07/26/bellabeat-leafs-new-wearable-and-app-help-women-tackle-stress/", "date": "Jul 26, 2016" } ], "launches": [] }, { "id": 1065, "name": "FightCamp", "slug": "fightcamp", "former_names": [ "Hykso", "Hykso (FightCamp)" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/9ad4b0a44e66abd052761cca849f1d5905d25f72.png", "website": "http://joinfightcamp.com", "all_locations": "Los Angeles, CA, USA; Newport Beach, CA, USA", "long_description": "With FightCamp you get access to world-class boxing and kickboxing trainers, studio-quality equipment, and performance-tracking technology — all from the comfort of your home. The key to a FightCamp workout lies in our Punch Tracking technology — we allow you to measure every strike, deliver real-time stats and fuel your competitive side. ", "one_liner": "Home boxing gym with motion trackers that compute punches and reps. ", "team_size": 64, "industry": "Consumer", "subindustry": "Consumer -> Gaming", "launched_at": 1447747516, "tags": [ "Hardware", "Fitness", "Gaming" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2016", "status": "Active", "industries": [ "Consumer", "Gaming" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/fightcamp", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2016/fightcamp.json", "year_founded": 2014, "city": "Los Angeles", "country": "US", "linkedin_url": "https://www.linkedin.com/fightcamp", "x_url": "https://twitter.com/joinfightcamp", "fb_url": "https://www.facebook.com/fightcamp/", "cb_url": "https://www.crunchbase.com/organization/hykso-2", "github_url": "https://github.com/fightcamp", "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/9ad4b0a44e66abd052761cca849f1d5905d25f72.png", "app_video_url": null, "dday_video_url": null, "company_photos": [ "https://bookface-images.s3.us-west-2.amazonaws.com/attachments/40b1b05e42ce7f2b2a9f2054018781ad68274b17.png" ], "primary_partner": null, "founders": [ { "user_id": 106930, "full_name": "Khalil Zahar", "title": "Founder/CEO", "founder_bio": "co-founder and CEO @ Fightcamp", "is_active": true, "linkedin_url": "https://ca.linkedin.com/pub/khalil-zahar/63/563/981", "x_url": "https://twitter.com/khalzahar", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/d47c578a491a665b6e65c0b352a7f096c3d55917.jpg" }, { "user_id": 118112, "full_name": "Patrick Chandler", "title": "Founder/CMO", "founder_bio": "Currently running the FightCamp marketing team, deep knowledge in Paid Social (Facebook, Instagram), Content Marketing (Youtube, SEO), Website Optimization (CRO), Email marketing and Influencer marketing. Also created the attribution modeling framework and the data analysis system we use.\n\nAsk me about marketing strategy, attribution, building a marketing team and marketing roadmaps / decision structures.", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/patrick-chandler-b53a58b7", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/15778cb694c3a36ee3077bf3cec35dfbdb9c76c7.jpg" }, { "user_id": 106939, "full_name": "Alexandre Marcotte", "title": "Founder/CTO", "founder_bio": null, "is_active": true, "linkedin_url": "https://www.linkedin.com", "x_url": null, "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/5bccb88e23350ad94abb99ee627729ba3e7cfc44.jpg" } ], "jobs": [], "news": [ { "title": "FightCamp punches its way to a $90M round – TechCrunch", "url": "https://techcrunch.com/2021/06/30/fightcamp-punches-its-way-to-a-90m-round/?tpcc=ECTW2020", "date": "Jun 30, 2021" } ], "launches": [] }, { "id": 13100, "name": "FitnessAI", "slug": "fitnessai", "former_names": [ "FitnessAI", "FitnessAi" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/965c07f3bc67be3a8462b1dfc60eb416ddf3d045.png", "website": "https://fitnessai.com", "all_locations": "New York City, NY, USA; New York, NY, USA", "long_description": "", "one_liner": "App offering AI powered workout plans with anytime access to coaches", "team_size": 1, "industry": "Consumer", "subindustry": "Consumer -> Home and Personal", "launched_at": 1585976630, "tags": [ "Fitness", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2020", "status": "Acquired", "industries": [ "Consumer", "Home and Personal" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/fitnessai", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2020/fitnessai.json", "year_founded": 2019, "city": "New York City", "country": "US", "linkedin_url": "", "x_url": "https://twitter.com/FitnessAI_", "fb_url": null, "cb_url": null, "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/965c07f3bc67be3a8462b1dfc60eb416ddf3d045.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 115099, "full_name": "Jake Mor", "title": "Founder", "founder_bio": "", "is_active": false, "linkedin_url": "https://www.linkedin.com/in/jake-mor-3b397392/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/98a7da64e7926b3cf80f10f3c107b4634cb7f3bf.jpg" } ], "jobs": [], "news": [], "launches": [] }, { "id": 13200, "name": "Blok", "slug": "blok", "former_names": [ "Blok (name is work-in-progress)", "Blok Fitness" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/ba0db597e309ea60f445dfe17d688e3b478ee564.png", "website": "https://blok.fit", "all_locations": "San Francisco, CA, USA; Remote", "long_description": "Fitness professionals have large, loyal followings, but don’t have the tools to build scalable businesses. Blok makes it easy for fitness professionals to teach live classes, sell content, get paid for differentiated services, partner with brands, reward their community, and build a unique brand online.\"Fitness entrepreneurs\" will continue to unbundle from brands and will be armed with Blok's digital tools to monetize their audiences directly.\r\n", "one_liner": "A platform for fitness instructors to build their business and…", "team_size": 2, "industry": "Consumer", "subindustry": "Consumer -> Home and Personal", "launched_at": 1592419898, "tags": [ "Sports Tech", "Fitness", "Health & Wellness" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2020", "status": "Inactive", "industries": [ "Consumer", "Home and Personal" ], "regions": [ "United States of America", "America / Canada", "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/blok", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2020/blok.json", "year_founded": 2019, "city": "San Francisco", "country": "US", "linkedin_url": "", "x_url": "", "fb_url": null, "cb_url": null, "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/ba0db597e309ea60f445dfe17d688e3b478ee564.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 273884, "full_name": "Sahana Rajasekar", "title": "Founder", "founder_bio": "Full-stack product engineer, designer, and fitness instructor. Prev Pinterest, Chorus, and Even. 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The team previously co-founded Google Lens, Cloud Vision API, and published a CVPR paper demonstrating the first algorithm to outperform a professional nutritionist at calorie counting.", "one_liner": "Single photo nutrition tracking.", "team_size": 5, "industry": "Consumer", "subindustry": "Consumer", "launched_at": 1627329794, "tags": [ "Computer Vision", "Fitness", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2021", "status": "Active", "industries": [ "Consumer" ], "regions": [ "United States of America", "America / Canada", "Remote", "Partly Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/snapcalorie", "api": "https://devasheeshg.github.io/yc-api/batches/summer-2021/snapcalorie.json", "year_founded": 2021, "city": "New York City", "country": "US", "linkedin_url": "https://www.linkedin.com/company/snapcalorie/", "x_url": "https://twitter.com/snapcalorie", "fb_url": "https://www.facebook.com/snapcalorie", "cb_url": "https://www.crunchbase.com/organization/snapcalorie", "github_url": "https://github.com/snapcalorie", "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/8fb8d3ff1ae8ec164dd664632cc42c03b043c549.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 727234, "full_name": "Wade Norris", "title": "Founder", "founder_bio": "Founded SnapCalorie. 500k+ MAUs, profitable, twice the accuracy of a professional nutritionist, published first algorithm in top conference of computer vision (CVPR).\n\nCo-founded The Spaghetti Detective, profitable, most popular paid software in 3D printing.\n\nPreviously co-lead for the 100+ researcher Mobile Vision team at Google AI. The team co-founded Google Cloud Vision API, Google Lens, MobileNets, and a wide variety of computer vision models powering products across Google.", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/wadenorris/", "x_url": "https://twitter.com/wadednorris", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/72ddeb7f1c688c925ba9f351065b51abef22bb41.jpg" }, { "user_id": 734326, "full_name": "Scott Baron", "title": "Founder", "founder_bio": "Scott Baron, the co-founder and CTO of SnapCalorie. He previously spent 12 years as a systems engineer in Aerospace where he developed software and algorithms to support high reliability missions and advanced data science applications.", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/scott-baron-7b09b011/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/ef506ba76aad8b912e393f4fbe87297c20106f11.jpg" } ], "jobs": [], "news": [ { "title": "SnapCalorie taps AI to estimate the caloric content of food from photos | TechCrunch", "url": "https://techcrunch.com/2023/06/26/snapcalorie-computer-vision-health-app-raises-3m/", "date": "Jun 26, 2023" }, { "title": "SnapCalorie Raises $2 Million in Seed Funding from Y Combinator | citybiz", "url": "https://www.citybiz.co/article/429315/snapcalorie-raises-2-million-in-seed-funding-from-y-combinator/https://www.citybiz.co/article/429315/snapcalorie-raises-2-million-in-seed-funding-from-y-combinator/", "date": "Jun 13, 2023" }, { "title": "Health in a Handbasket: SnapCalorie App | WUHF", "url": "https://foxrochester.com/news/good-day-rochester/health-in-a-handbasket-snapcalorie", "date": "Apr 17, 2023" } ], "launches": [] }, { "id": 24169, "name": "Fitia", "slug": "fitia", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/77e4ff26717800cc51c7e5dcfd1b96a937b1b8b8.png", "website": "https://fitia.app/", "all_locations": "Lima, Lima Province, Peru", "long_description": "Fitia is an AI meal planning and calorie counter app. Our users receive personalized weight loss or muscle gain plans that adapt based on their data, progress, and preferred foods.", "one_liner": "Automated Meal Planner & Nutrition Tracking", "team_size": 26, "industry": "Healthcare", "subindustry": "Healthcare -> Consumer Health and Wellness", "launched_at": 1625153674, "tags": [ "Consumer", "Fitness", "Health & Wellness" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2021", "status": "Active", "industries": [ "Healthcare", "Consumer Health and Wellness" ], "regions": [ "Peru", "Latin America", "Remote", "Partly Remote" ], "stage": "Growth", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/fitia", "api": "https://devasheeshg.github.io/yc-api/batches/summer-2021/fitia.json", "year_founded": 2019, "city": "Lima", "country": "PE", "linkedin_url": "https://www.linkedin.com/company/fitia/", "x_url": "", "fb_url": "https://www.facebook.com/fitiaapp/", "cb_url": "https://www.crunchbase.com/organization/fitia", "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/77e4ff26717800cc51c7e5dcfd1b96a937b1b8b8.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": { "name": "Diana Hu", "url": "https://www.ycombinator.com/people/diana-hu" }, "founders": [ { "user_id": 379281, "full_name": "Piero Linares", "title": "Founder", "founder_bio": "Co-Founder & CEO", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/piero-linares-1a9397121/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/59961fb4d7ec649fb250af9b2584513e64d926dd.jpg" }, { "user_id": 726546, "full_name": "Ulises Olave", "title": "Founder", "founder_bio": "Co-Founder & CTO at Fitia", "is_active": true, "linkedin_url": "https://pe.linkedin.com/in/ulises-olave-mendoza-3bb448100", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/20a0909450fdbc6d0aba5b82c52b35bc666b79eb.jpg" } ], "jobs": [], "news": [], "launches": [] }, { "id": 24529, "name": "The Breakaway", "slug": "the-breakaway", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/f20baef265745351638d2f1ee8c04d366e495384.png", "website": "https://www.breakaway.app/", "all_locations": "Truckee, CA, USA; Remote", "long_description": "The Breakaway is a personal performance coach for cyclists, with the product, team, roadmap and vision to extend to be the mass market coaching platform for anyone tracking their performance.\r\n\r\nAs more and more people realize that exercise is the key not only to personal performance, but to health and wellness, the inevitable future is that everyone will have an AI driven personal performance coach & companion in their pocket. The Breakaway will be that Coach.\r\n\r\n", "one_liner": "The personal coach and companion for cyclists.", "team_size": 6, "industry": "Consumer", "subindustry": "Consumer", "launched_at": 1626015856, "tags": [ "Fitness", "Health & Wellness" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Summer 2021", "status": "Active", "industries": [ "Consumer" ], "regions": [ "United States of America", "America / Canada", "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/the-breakaway", "api": "https://devasheeshg.github.io/yc-api/batches/summer-2021/the-breakaway.json", "year_founded": 2020, "city": "Truckee", "country": "US", "linkedin_url": "https://www.linkedin.com/company/the-breakaway/", "x_url": "https://twitter.com/TheBreakawayApp", "fb_url": null, "cb_url": "https://www.crunchbase.com/organization/the-breakaway-7e7b", "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/f20baef265745351638d2f1ee8c04d366e495384.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 727462, "full_name": "Jordan Kobert", "title": "Founder", "founder_bio": "CEO & Co-founder of The Breakaway. \n\nI founded The Breakaway in 2020 along with Kyle Yugawa. Our mission is to help people improve and we're starting with cycling, leveraging the explosive growth in platforms like Peloton, Zwift and Strava. We'll expand to all aspects of digital fitness to become the go-to coaching app for fitness enthusiasts. \n\nPreviously I was at: Urbandoor (Acq by Airbnb), Strava, Google, AdMob (Acq by Google), HomeGain. ", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/jordankobert/", "x_url": "https://twitter.com/jordankobert", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/154df1aff5d28a8ea4b745cb0efa6073ea5bde64.jpg" }, { "user_id": 829407, "full_name": "Kyle Yugawa", "title": "Founder", "founder_bio": "Product designer. Father of two. Recovering jiujiteiro. Weekend warrior cyclist. \n\nCo-founder & design leader at The Breakaway YCS21. Singularly focused on helping more people improve their fitness and finding joy in riding their bikes. \n\nPreviously at Strava, VSCO, and Tempo\n\n\n", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/kyleyugawa", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/415c51d617eef73d6c149a7498780db190c56925.jpg" } ], "jobs": [], "news": [ { "title": "Strava Announces Acquisition of Cycling Training App, The Breakaway.", "url": "https://press.strava.com/articles/strava-announces-acquisition-of-cycling-training-app-the-breakaway", "date": "May 21, 2025" }, { "title": "Popular Fitness App Strava Clinches Valuation of More Than $2 Billion", "url": "https://www.wsj.com/finance/strava-app-2-2-billion-dollar-valuation-ef50e598?st=7dgbhQ", "date": "May 21, 2025" }, { "title": "Connected Training App The Breakaway Raises $2.9M To Help Athletes Push Their Limits", "url": "https://www.endurancesportswire.com/connected-training-app-the-breakaway-raises-2-9m-to-help-athletes-push-their-limits/", "date": "Feb 03, 2022" }, { "title": "Review: The Breakaway App: A Glimpse of Future Zwift? - Zwift Insider", "url": "https://zwiftinsider.com/the-breakaway-review/", "date": "Jun 12, 2021" } ], "launches": [] }, { "id": 27898, "name": "Overlord", "slug": "overlord", "former_names": [ "Forfeit" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/6794908867671327914d0ac60da63f7da4549e15.png", "website": "https://www.overlord.app/", "all_locations": "New York City, NY, USA; Remote", "long_description": "Overlord knows everything about you (location, Mac data, health data, +dozens more), and can take actions (block Mac/iOS/Android, text/call you, text your friends, take your money) to force you to stay on track with your habits.", "one_liner": "AI Accountability Partner", "team_size": 2, "industry": "Consumer", "subindustry": "Consumer -> Home and Personal", "launched_at": 1677791396, "tags": [ "Mental Health Tech", "Consumer", "Fitness", "Productivity", "Digital Health" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2023", "status": "Active", "industries": [ "Consumer", "Home and Personal" ], "regions": [ "United States of America", "America / Canada", "Remote", "Fully Remote" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/overlord", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2023/overlord.json", "year_founded": 2022, "city": "New York City", "country": "US", "linkedin_url": "", "x_url": "", "fb_url": null, "cb_url": null, "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/6794908867671327914d0ac60da63f7da4549e15.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": { "name": "Brad Flora", "url": "https://www.ycombinator.com/people/brad-flora" }, "founders": [ { "user_id": 254744, "full_name": "Josh Mitchell", "title": "Founder", "founder_bio": "Grew up in a village near Manchester, England. Was really into building 3D printers/CNC machines as a kid, went to Stanford for 2 years, and dropped out to do YC.", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/josh-mitchell-252b2a182/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/16c6dc917072fe61e3dc4038a3e1b4c0da3e14c3.jpg" }, { "user_id": 733476, "full_name": "Eddie Raven", "title": "Founder", "founder_bio": "Went straight into industry as a software engineer after graduating high school. Now working on Forfeit.", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/eddie-raven-1a7b6a24b/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/f8fbad398cc7019459fc6ee915ab93b74abb4a88.jpg" } ], "jobs": [], "news": [], "launches": [ { "id": 96453, "title": "Overlord - AI Accountability Partner", "tagline": "Overlord knows everything about you (location, Mac data, health data, +dozens more), and can take actions (block Mac/iOS/Android, text/call you, text your friends, take your money) to force you to stay on track with your habits.", "body": "Hey all, I’m Josh, Co-Founder of Overlord, with my friend Eddie. We’re aiming to build the Holy Grail of productivity apps - an AI agent to replace self-control.\n\nHere’s our landing page: [www.overlord.app](http://www.overlord.app)\n\nHere’s the link if you want to chat with it: [chat.overlord.app](http://chat.overlord.app)\n\nImagine you hired someone to stay awake 24/7, sat behind a big computer screen, monitoring you - knowing where you are (GPS), what website you’re on (Mac integration), what you spend money on. They can take actions: texting/calling you, charging you money, blocking your iOS/Android apps, blocking websites on your Mac, texting friends if you’ve fallen off the wagon.\n\nOverlord has been in a closed beta for about a year, and has had hundreds of thousands of messages sent to it by users. It’s specifically meant to be weasel-proof, so we’ve put a lot of effort into making sure there are no easy workarounds. Our target users are the type of people that have their friends manage their Screen Time passcodes, and have web blockers all over their Mac.\n\nHere are a few examples of what Overlord can do:\n\n* **Staying sober:** “Send a video blowing 0.00 on a breathalyser each night at 11pm, or text Jane: “John has skipped his evening check-in. Ensure he’s not relapsed”.”\n* **Undistracted on Mac:** “Lock me in from 9-5 each day on my Mac. Annoy me if I go on anything unrelated to work, and block if I go on any rabbit holes. Work is anything coding related.”\n* **Not skipping cardio:** “When I enter the gym, make sure I send a photo of 10 mins cardio, or charge me $5\".”\n* **My personal screen block:** “Block Instagram at all times, allowing me 1 min an hour, 15 mins if I send a photo of a meal, and unblock on Friday/Saturday nights from 7pm-4am. Charge me $50 if I disable Screen Time Permissions.”\n* **Mac productivity to co-founder:** “Track my Mac. Send a text to my co-founder of my total productive time each day at 11pm.”\n* **Showering after gym:** “When i get home from the gym, make sure I send a selfie if my hair wet within 30 mins or lose $5”\n\n**_No processed food:_** “Each time I spend money at Trader Joe’s or Whole Foods, make sure I send a receipt (with the exact amount spent to ensure I’m not cheating) and it must not have anything processed on it. Also no purchases from any dollar pizza store. If I do, charge me $50.”\n\nhttps://youtu.be/Cr1A0j6LBec\n\n**_Morning routine w/ screen blocking + charging:_**\\_ “Call me to wake me up at 7am, and block my apps at this point. I must send a photo of my fridge at 7:05, a video brushing teeth by 7:10, a photo of a coffee by 7:20, and a photo outside by 7:30 (unblock my phone at this point). If I miss any of these, call me, then if I am not telling you I’m taking action on the phone, charge me $1.”\n\nhttps://youtu.be/TVSTbu3jwKA\n\n**_Getting to work immediately:_**\\_ “Once I arrive at the office, I must start a 2hr focus session on my Mac within 15 minutes. If I exit this, or spend more than 10 mins distracted or inactive total, charge me $5 and text my co-founder that I’m distracted. Block all distracting sites.”\n\nhttps://youtu.be/I0NvyW7RQYM\n\n**Asks:**\n\n1. Give it a go at [chat.overlord.app](http://chat.overlord.app) ! See if any goals you can set up with it would be useful to you. No login required.\n2. Comment down below if there are any goals/capabilities you’d like to see - there’s a bit of a learning curve to Overlord, but it can be extremely powerful once you get the hang of it.\n\n![uploaded image](/media/?type=post&id=96453&key=user_uploads/254744/79482180-f44e-41da-8397-d2cd197eec85)\n\n\nHappy New Year!\n\nJosh", "url": "https://www.ycombinator.com/launches/P5h-overlord-ai-accountability-partner", "votes": 24, "created_at": "2025-12-31T00:29:23.091Z" }, { "id": 69854, "title": "📱 Forfeit App - Complete your habits or we take your money", "tagline": "Sent photo/timelapse evidence of you completing your habits, or we take $$$", "body": "**tl/dr:** Forfeit is an iOS/Android app that **takes your money if you don’t do what you say you’re going to do**. You must submit photo/timelapse evidence of you completing said habit, which we then manually verify on our end, or we take your money.\n\nEg, I know there’s a very slim chance I can motivate myself to go to the gym each weekday morning at 6am for the next 4 weeks. I can set a Forfeit to force me to send a photo, inside the gym, each morning at 6am, or lose $20 each time I don’t. It’s pretty much unlimited willpower!\n\n![](https://uploads-ssl.webflow.com/602cf455f72a961cfec0c783/634094c898f0f615c6402033_ezgif.com-gif-maker%20(13).gif)\n\n**💰Opportunity:**\n\nMost people struggle with forming habits, and this is the only thing that truly motivates a subset of these people. We have a very short payback period on our initial ad campaign, and for a while have had a small amount of users that love us and run a lot of their life through our app.\n\n**Our ask:**\n\n🚀 Procrastinating on your YC launch (like us)?\\\n🧘‍♀️ Want to meditate consistently for the next 30 days?\\\n🏋️ Want to be more consistent in the gym?\\\n✅ Have a load of boring ToDos that you wish you could be forced to grind out in 5hrs?\\\n📈 Absolutely anything you want to force yourself to do, that you can either self-verify or prove with a photo/timelapse?\n\nGive it a try here!\n\n\\\n", "url": "https://www.ycombinator.com/launches/IAg-forfeit-app-complete-your-habits-or-we-take-your-money", "votes": 41, "created_at": "2023-03-01T22:20:12.862Z" } ] }, { "id": 28114, "name": "rex.fit", "slug": "rex-fit", "former_names": [ "Babylon AI", "BabylonAI", "Rex" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/c618208d2cb852eeff16409fb7e787701c395b91.png", "website": "https://www.rex.fit", "all_locations": "San Francisco, CA, USA", "long_description": "The DROP by Rex.Fit is an AI wearable camera that automates nutrition tracking using computer vision. It has garnered more than 93k USD in preorders (~450 units) since its launch last month. The nutrition estimation and recommendation tech behind the DROP is already integrated as an API for fitness chains, generating hundreds of thousands of dollars in yearly revenue for them. The DROP is built by brothers, sports nutritionists and computer vision engineers from the Swiss Federal Institute of Technology (ETH Zurich).", "one_liner": "Automating nutrition tracking.", "team_size": 2, "industry": "Consumer", "subindustry": "Consumer", "launched_at": 1674733041, "tags": [ "Hard Tech", "Computer Vision", "Consumer Health Services", "Fitness", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2023", "status": "Active", "industries": [ "Consumer" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/rex-fit", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2023/rex-fit.json", "year_founded": 2023, "city": "San Francisco", "country": "US", "linkedin_url": "https://www.linkedin.com/company/babylonai/", "x_url": "https://twitter.com/rexfit_app", "fb_url": "https://www.instagram.com/rexfit.app/", "cb_url": "https://www.crunchbase.com/organization/babylonai", "github_url": "https://github.com/thebabylonai", "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/c618208d2cb852eeff16409fb7e787701c395b91.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": { "name": "Diana Hu", "url": "https://www.ycombinator.com/people/diana-hu" }, "founders": [ { "user_id": 1207294, "full_name": "Ahmad Roumie", "title": "Founder", "founder_bio": "On a mission to fully automate nutrition tracking - Order the DROP on kickstarter. Roboticist and calisthenics athlete. Previously worked on autonomous retail stores using computer vision, also worked on autonomous robots ((legged, UAVs, and crawlers) ", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/ahmad-roumie-1a59a417a/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/75d60a8965ff22709d30ee5a749911dd78f6d2d3.jpg" } ], "jobs": [], "news": [ { "title": "Food tracking just got lazy — in the best way possible — with this wearable | Fox News", "url": "https://www.foxnews.com/tech/food-tracking-just-got-lazy-best-way-possible-wearable", "date": "Dec 22, 2024" } ], "launches": [ { "id": 86073, "title": "The Drop: Fully Automated Nutrition Tracker", "tagline": "The Drop automatically tracks your calories and macros as you eat.", "body": "# TL;DR\n\nHi there! We’re Rangel and Ahmad and today we’re excited to be launching [the Drop on Kickstarter. The Drop is our wearable AI pendant and app](https://www.kickstarter.com/projects/rangel/the-drop-fully-automated-nutrition-tracker) that automatically tracks what you eat throughout the day. \n\n[Watch the launch video here!](https://youtu.be/wa0rATqlnQU)\n\n![uploaded image](/media/?type=post&id=86073&key=user_uploads/635063/1041e0f0-9ce8-42e6-ad9e-885502231d89)\n\n# How it works\n\n![uploaded image](/media/?type=post&id=86073&key=user_uploads/635063/356232f6-9e59-4216-afa8-b0f7c808b541)\n\n[The Drop](https://www.getdrop.ai) uses **computer vision and AI** to know when you're eating food. Once the smart AI chip on the device classifies something as food, the LED light turns on and the device starts recording what you're eating. Afterwards, the cropped image of the meal will be sent to the cloud for analysis. The algorithms will then break down your meal into **calories, protein, carbs and fats**, which you could see right away in the app on your phone.\n\n![uploaded image](/media/?type=post&id=86073&key=user_uploads/635063/3d7365f6-f033-44b4-9867-59268af954c8)\n\n# Why are we building this?\n\nWe launched [Rex Nutribot on WhatsApp](https://www.rex.fit) in December 2023. We made calorie tracking as simple as sending a photo or a text to a friend. More than 20,000 users later, we learned that nutrition tracking is still not a solved problem. Every solution on the market requires **too much input from the user**, and most don't manage to create the habit to track what they eat. \n\nA real solution needs to be as **user-friendly and intuitive** as fitness tracking is. It needs to be a wearable that you can just put on in the morning and forget about. For that reason we developed The Drop: the first fully automated nutrition tracker.\n\nBy fully automating meal tracking we want to **enable everyone to learn what and how much they eat**, understand their eating habits and transform their diet to optimize for health and longevity.\n\n# The team\n\n![uploaded image](/media/?type=post&id=86073&key=user_uploads/635063/79e0e320-e8ee-4934-a7e1-0a4e5ebb6627)\n\nOur core team consists of Harvard and ETH Zurich engineers and we are backed by two of the largest and most well-known incubators: [Y Combinator](https://ycombinator.com) and [Entrepreneur First](https://www.joinef.com). Our co-founder and CTO, [Ahmad](https://www.rex.fit/contacts/ahmad), is a computer vision engineer who previously worked in autonomous retail with a Masters in Robotics from ETH Zurich, and our co-founder and CEO, [Rangel](https://www.rex.fit/contacts/rangel), is an AI engineer who graduated with a B.A. in Computer Science from Harvard. We met at Entrepreneur First in Paris in 2022 and have been working together since. \n\n# Get the Drop\n\nYou can find more information and [pre-order the Drop by backing us on Kickstarter](https://www.kickstarter.com/projects/rangel/the-drop-fully-automated-nutrition-tracker). Pricing starts at **199 USD** and it is available in **3 colors**: carbon black, metallic blue and gold. Early adopters and beta testers will start receiving their devices in the summer. \n\n![uploaded image](/media/?type=post&id=86073&key=user_uploads/635063/bc268686-845b-4419-9d5c-ee88333bc390)\n\n", "url": "https://www.ycombinator.com/launches/MOH-the-drop-fully-automated-nutrition-tracker", "votes": 27, "created_at": "2024-12-05T15:21:06.246Z" }, { "id": 75089, "title": "Rex.fit 🦖: Your personal AI workout and nutrition coach", "tagline": "The AI that helps you get and stay in shape.", "body": "Hi everyone! We're excited to share with you [**Rex.fit**](http://Rex.fit). We merge the addictive nature of gaming with the benefits of physical fitness. And we can't wait for you to try it!\n\n![uploaded image](/media/?type=post&id=75089&key=user_uploads/635063/639f56b0-2380-405b-95ce-fcca5714280b)\n\n## 💪 **What is **[**Rex.fit**](http://Rex.fit)**?**\n\nWe gamify workouts using computer vision and AI to provide immediate feedback on your workouts. By tracking your workout intensity, calorie burn, and repetitions in real-time, we ensure you stay engaged, challenged, and hungry for more. \n\n![uploaded image](/media/?type=post&id=75089&key=user_uploads/635063/44015f5d-d594-4346-85db-452f78d8dc49)\n\nWe also offer a nutrition chatbot that simplifies food logging through natural language processing, making it as easy as texting a friend to track your dietary intake.\n\n🎮 **How Does It Work?**\n\n1. Head over to [www.rex.fit](http://www.rex.fit), sign up and choose a workout. The weekly challenge or the fitness test are great places to start.\n2. Make sure your camera is on and stay around 1.5 meters (\\~5 feet) away from your phone or laptop - our AI will track your movements, count your reps and measure your intensity.\n3. You’ll get a final score at the end of each workout based on your performance. Head the leaderboard by beating your own score and that of your friends.\n4. Dive into our variety of gamified workouts. Whether you're into HIIT, or strength training, we have a workout for you! The weekly challenge is a great place to start!\n5. Visualize and track your progress using the profile page:\n\n ![uploaded image](/media/?type=post&id=75089&key=user_uploads/635063/c8de0795-3972-4ccd-8cab-6f18656d3efc)\n\n6. Earn points, beat your high score, challenge friends, and most importantly, get fit while having fun!\n\n## 🍲 **AI-Powered Nutrition Tracking!**\n\nWe understand fitness isn't just about workouts, so we're also introducing a Telegram chatbot you can text to track your meals.\n\n![uploaded image](/media/?type=post&id=75089&key=user_uploads/635063/f534de8b-1eaf-45b6-bb41-3b2683873069)\n\n* **Text your daily meals** to the bot, whether they’re home-cooked, take-out, or store-bought.\n* We use LLMs to break meals down into ingredients and then query our DB to estimate calories, protein, carbs, fats, and other micronutrients, giving you a comprehensive view of your diet.\n* Say goodbye to manual logging and inaccurate guesses. Let our AI take care of your nutritional tracking.\n\n🌟 **Why **[**Rex.fit**](http://Rex.fit)**?**\n\n* **Engagement**: Turn workouts into games, making them more engaging and fun.\n* **Accuracy**: Ensure your workouts are effective with real-time feedback.\n* **All-in-one**: Combine workouts and nutrition in one platform.\n* **Community**: Challenge and compete with friends or the [Rex.fit](http://Rex.fit) community.\n\n🙏 **Join Us On This Journey** We're on a mission to make fitness accessible, fun, and effective for everyone. But we need your help. Check out [www.rex.fit](http://www.rex.fit), try our platform, and give us your feedback. If any of you are or know well fitness trainers, dieticians, or other people who would like their content to be on our platform, please reach out to us.\n\n🔗 **Links & Resources**\n\n* 🏋️‍♂️ Gamified Workouts: [www.rex.fit](http://www.rex.fit)\n* 🤖 Telegram Bot: [t.me/rex_nutribot](http://t.me/rex_nutribot) (you need to sign up on Rex first to gain access)\n* 👍🏿 Like and follow us on Instagram: \n* 📞 Chat with us: \n\nCheers to a healthier, more fun fitness journey! 💪🎮\n\n---\n\n_Note: Always remember to prioritize safety. Ensure you're in a suitable environment before starting a workout, and consult with a healthcare professional if you have any medical concerns._", "url": "https://www.ycombinator.com/launches/JX7-rex-fit-your-personal-ai-workout-and-nutrition-coach", "votes": 169, "created_at": "2023-09-22T18:21:30.459Z" }, { "id": 68843, "title": "Babylog: A lightweight open-source logging library for computer vision", "tagline": "Easily log image and prediction data from edge devices", "body": "Hi everyone,\n\nWe’re excited to launch our new **open-source logging library for ML and computer vision teams**. With Babylog, we aim to empower engineers to **easily log raw image and prediction data from edge devices to the cloud (or on-prem servers).**\n\n![uploaded image](/media/?type=post&id=68843&key=user_uploads/635063/04dbb932-16fa-4e04-bc2c-b7a14f273ebf)\n\n## Problem\n\nYou need to know what your models are running on in the real world. Setting up that infrastructure takes away precious time and money. You need a standard for logging your data so that you know how your models perform. **Babylog (bah-bee-log) provides a standard where all device, model, and prediction information are coupled.**\n\n* If you don’t have a data stream from production, you have no idea what your models are seeing and no way to evaluate their performance.\n* If something suddenly changes in the real world and with it the distribution of your inputs, things could go very wrong so you’d likely want to know (i.e. stop signs suddenly turning blue = Tesla becoming a murder machine)\n\n## Our asks\n\n* [**Go check us out on GitHub and don’t forget to star us ⭐.**](https://github.com/thebabylonai/babylog)\n* Check out our [website](https://www.babylonai.dev), and play with our library and mock dashboard.\n* If you’re interested, have feedback or criticism, or think we should talk to someone, please either:\n * schedule a chat with us: \n * shoot us an email at [founders@babylonai.dev](mailto:founders@babylonai.dev)", "url": "https://www.ycombinator.com/launches/HuN-babylog-a-lightweight-open-source-logging-library-for-computer-vision", "votes": 20, "created_at": "2023-01-30T18:19:49.406Z" } ] }, { "id": 29207, "name": "Cora", "slug": "cora", "former_names": [ "PurplePill", "HeyPurple", "PurplePages" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/c4d875b70b030b8234a9895a54859da447f55d2e.png", "website": "https://www.corahealth.app/download", "all_locations": "San Francisco, CA, USA", "long_description": "Cora is a mobile app that provides personalized fitness coaching using health and wearable data. Cora is built for people who want structure and guidance in their training, but don’t benefit from generic programs or static plans. By connecting to Apple Watch and other health data sources, Cora understands a user’s current fitness level and adapts coaching, insights, and training plans over time.\r\n\r\nWith Cora, users get:\r\n- Coaching and insights based on real health and wearable data\r\n- Adaptive training plans that evolve with fitness level\r\n- Nutrition tracking with smart macro targets based on your goals\r\n- Clear guidance on training, recovery, and progress over time\r\n- A simple way to understand where they are and what to do next", "one_liner": "AI Fitness Coach", "team_size": 3, "industry": "Consumer", "subindustry": "Consumer", "launched_at": 1707161827, "tags": [ "Consumer", "Fitness", "AI", "AI Assistant" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2024", "status": "Active", "industries": [ "Consumer" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/cora", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2024/cora.json", "year_founded": 2023, "city": "San Francisco", "country": "US", "linkedin_url": "https://www.linkedin.com/company/coracoach", "x_url": "", "fb_url": null, "cb_url": null, "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/c4d875b70b030b8234a9895a54859da447f55d2e.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": { "name": "Jared Friedman", "url": "https://www.ycombinator.com/people/jared-friedman" }, "founders": [ { "user_id": 1194190, "full_name": "Aditya Ganapathi", "title": "Founder", "founder_bio": "Co-Founder @ Cora (W24). Previous AI/robotics researcher @ Google Brain & UC Berkeley.", "is_active": true, "linkedin_url": "https://linkedin.com/in/aditya-ganapathi", "x_url": "https://twitter.com/adivganapathi", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/907d929f38c04a61fdd4e33f7180fbd24b087f18.jpg" }, { "user_id": 1519615, "full_name": "Ryan Ali", "title": "Founder", "founder_bio": "Co-Founder at Cora", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/ryan-ali/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/45792dce08453385a7a844e919105da0af2b5fbc.jpg" }, { "user_id": 1519432, "full_name": "Josh Passell", "title": "Founder", "founder_bio": "Co-Founder @Cora. Born & raised in Palo Alto (Gunn '17). Economics at Cornell ('21). Located in SF", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/josh-passell-37939a152/", "x_url": "https://twitter.com/Passellback", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/a2bee5ec715c1fe2350e303a93f024c38b8410ad.jpg" } ], "jobs": [], "news": [], "launches": [ { "id": 78171, "title": "HeyPurple: An AI leasing assistant for landlords and property managers", "tagline": "Purple is an AI virtual assistant that answers questions 24/7 directly from your listings and books prospective tenants for tours", "body": "Hey everyone – [Ryan](https://www.linkedin.com/in/ryan-ali/), [Josh](https://www.linkedin.com/in/joshua-passell-37939a152/), and [Adi](https://linkedin.com/in/aditya-ganapathi) here!\n\n**Tldr:** \n\nWe’re building [Purple](https://www.heypurple.ai/), an AI leasing assistant for landlords and property management companies. Our customizable AI answers questions directly from your listings and books prospective tenants for tours after only 10 minutes of coaching via chat.\n\n**Problem:**\n\nProperty managers deal with the pain of manually messaging prospective tenants around the clock in order to fill their vacancies. The questions are often repetitive and can come at any hour of the day through multiple channels (SMS, email, Facebook Messenger), adding overhead to their already busy schedule. However, responding to leads instantly is critical to convert quality leads in competitive rental markets.\n\nBig PM companies solve this problem by using structured leasing processes that take advantage of their standardized offerings and policies (i.e. similar floor plans, flexible tour scheduling with on-site leasing offices, etc.). SMBs who run a scrappier business and can’t pay for custom software are left without a solution – we noticed this when we saw a mom & pop PM company we’re working with respond to hundreds of inquiries per week (they even hired a VA to help with the load).\n\n**Solution:**\n\nWe provide a customizable AI leasing assistant that responds to every property inquiry and books prospective tenants for tours.\n\nLLMs and Generative AI provide a critical layer of intelligence required to quickly set up customized leasing assistants for SMBs. Our AI will:\n\n1. Learn about your properties and policies by scraping your data (website, listings, etc.)\n2. Customize the style/flow of its responses through a quick conversation \n3. Answer prospective tenant questions 24/7 and will check with a human when unsure about how to answer\n4. Sync with your calendar and book prospective tenants for a tour\n\n![uploaded image](/media/?type=post&id=78171&key=user_uploads/1194190/3e938368-7c6d-4d89-b9e4-3d259a8df6af)\n\n**Founding Team:**\n\n* Josh & Adi grew up together in Palo Alto and have been drinking the startup Kool-Aid for a long time, while Josh and Ryan met and became friends on their first day at Cornell in an economics class\n* Before YC, we worked on a few different projects together – our first was an AI video dubbing tool. Our second was PurplePill, which used AI to automate selling your goods (sold over $25k of goods)\n* After seeing the growing number of small businesses listing rentals on Facebook Marketplace, we realized an opportunity to help solve a larger problem which led us to what we’re working on today!\n\n![uploaded image](/media/?type=post&id=78171&key=user_uploads/1194190/6def6d14-88b6-43c7-8006-e241254447de)\n\n**Broader vision and why now:**\n\nWhile we’re starting with leasing, our ultimate goal is to equip all types of small business owners with AI virtual employees that can help with everything from digital marketing and sales to customer service and operations. With over 30M small businesses in the U.S. alone, one-size-fits-all software was never going to cut it – we’re creating the AI-first Operating System for SMBs. \n\n**Our Ask:**\n\nWe would love an intro to your property manager or to chat if you’re interested in what we’re building! Please feel free to contact us at founders@purplepill.ai.", "url": "https://www.ycombinator.com/launches/KKp-heypurple-an-ai-leasing-assistant-for-landlords-and-property-managers", "votes": 21, "created_at": "2024-02-05T20:22:50.280Z" } ] }, { "id": 29443, "name": "Adapted", "slug": "adapted", "former_names": [ "Chirp", "Convey", "Corefin", "Stackgrant", "For Effect", "ForEffect", "Pernell" ], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/1a533cff802e0f9057f1431e6f53533be5b04b80.png", "website": "https://adapted.app", "all_locations": "San Francisco, CA, USA", "long_description": "Adapted is an AI physical therapist for athletes. Tell it your injury history, your sport, and your goals - it builds a personalized program to rehab and prevent injuries, bulletproof your body, and improve mobility and flexibility. No generic exercises. Just training and prehab that actually adapts to you.\r\n\r\nAvailable now on the iOS App Store.", "one_liner": "AI physical therapy for athletes", "team_size": 2, "industry": "Consumer", "subindustry": "Consumer", "launched_at": 1702424671, "tags": [ "Fitness", "Digital Health", "Health & Wellness", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Winter 2024", "status": "Active", "industries": [ "Consumer" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/adapted", "api": "https://devasheeshg.github.io/yc-api/batches/winter-2024/adapted.json", "year_founded": 2024, "city": "San Francisco", "country": "US", "linkedin_url": "https://linkedin.com/company/adaptedhealth", "x_url": "https://x.com/AdaptedApp", "fb_url": "https://www.facebook.com/adaptedapp", "cb_url": null, "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/1a533cff802e0f9057f1431e6f53533be5b04b80.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 1032232, "full_name": "Albert Jo", "title": "Founder", "founder_bio": "Founder at Adapted", "is_active": true, "linkedin_url": "https://linkedin.com/in/albertjo", "x_url": "https://twitter.com/hyxnjo", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/3f1dfd12f142713bfc4f8fa785c51909e245744a.jpg" } ], "jobs": [], "news": [], "launches": [ { "id": 99406, "title": "Adapted - AI Physical Therapy for Athletes", "tagline": "Prehab, recovery, and mobility - personalized to your body and goals", "body": "**TLDR:** Adapted is an AI physical therapist for athletes - prehab, recovery, and mobility protocols personalized to you. Try [Adapted for iOS](https://apps.apple.com/us/app/adapted-prehab-recovery/id6756030925)!\n\n### Background\n\nI’ve sprained my left ankle over 20+ times. During Army training, my ankle almost gave out during a ruck. That's when I realized being fit but fragile is still a liability.\n\n### Problem\n\nFixing my ankle was more painful than the injury itself. PT meant hours off work, generic exercises, and $200 a visit out of pocket. And even then, it only treated the injury, not the underlying weakness.\n\n### Meet Adapted\n\n![uploaded image](/media/?type=post&id=99406&key=user_uploads/1032232/d89e036e-c103-4368-8a83-e5ab1a53a7f7)\n\n[Adapted](https://www.adapted.app/) is an AI physical therapist for athletes. Tell it your injury history, your sport, your training goals, and it builds a program tailored to you. Whether you’re rehabbing an injury, bulletproofing your body to train harder, or improving mobility and flexibility, Adapted adapts as you do.\n\n### About Us\n\nI’m Albert - amateur boxer (165 lbs), Army Reserves infantryman, and former software engineer at Uber. I’ve shipped consumer health apps before and scaled them to hundreds of daily active users.\n\n### Try Adapted Out\n\n* [Download Adapted (iOS App Store)](https://apps.apple.com/us/app/adapted-prehab-recovery/id6756030925)\n* Email us at [team@adapted.app](mailto:team@adapted.app)\n* Support our [Product Hunt launch](https://www.producthunt.com/products/adapted-health)\n* Join our Subreddit ([r/adapted](https://www.reddit.com/r/adapted/)) if you any have questions\n\n![uploaded image](/media/?type=post&id=99406&key=user_uploads/1032232/159ee3ab-9b53-4b50-a5fc-23f0f60be630)\n\n", "url": "https://www.ycombinator.com/launches/PrK-adapted-ai-physical-therapy-for-athletes", "votes": 34, "created_at": "2026-04-03T20:20:15.453Z" } ] }, { "id": 30064, "name": "HYBRD", "slug": "hybrd", "former_names": [], "small_logo_thumb_url": "https://bookface-images.s3.amazonaws.com/small_logos/4d43a2e4ad2a1d85682aa3ad5a84240ff8cd7dca.png", "website": "https://www.hybrd.com/", "all_locations": "Boston, MA, USA", "long_description": "The mission of HYBRD is to take world-class coaching and make it universally available. \r\n\r\nHealth data has never been more abundant. GPS watches track pace and heart rate, wearables monitor sleep and recovery, and voice logging has made it easier than ever to capture weightlifting and HYROX. \r\n\r\nAnd yet most athletes are still following static PDF plans they found online, or \"adaptive\" apps that fall apart the moment cross-training enters the picture.\r\n\r\nExisting tools feel disappointing because they don’t actually know your goals and constraints, so they can’t do anything meaningful with the data they collect. \r\nHYBRD can. \r\n\r\nWe aggregate your wearable data, fill the gaps with a simple AI logger, and use that complete picture to build personalized training programs from the best coaches in the world, like Alex Viada, who coined the term \"hybrid athlete.\" \r\n\r\nFrom there, the HYBRD agent keeps you on track, adjusting your schedule around weather, travel, and fatigue as you progress. Everything you'd get from a $500/month coach, at a 50x lower price. \r\n\r\nFounded in 2024 by WHOOP and AWS alumni, HYBRD is built by hybrid athletes. Join us for a workout every Monday morning in San Francisco and Boston.", "one_liner": "coaching agents for athletes", "team_size": 5, "industry": "Consumer", "subindustry": "Consumer", "launched_at": 1730403041, "tags": [ "Health Tech", "Consumer", "Fitness", "Digital Health", "AI" ], "tags_highlighted": [], "top_company": false, "isHiring": false, "nonprofit": false, "batch": "Fall 2024", "status": "Active", "industries": [ "Consumer" ], "regions": [ "United States of America", "America / Canada" ], "stage": "Early", "app_video_public": false, "demo_day_video_public": false, "app_answers": null, "question_answers": null, "url": "https://www.ycombinator.com/companies/hybrd", "api": "https://devasheeshg.github.io/yc-api/batches/fall-2024/hybrd.json", "year_founded": 2024, "city": "Boston", "country": "US", "linkedin_url": "https://www.linkedin.com/company/hybrd-do-hard-things/", "x_url": "https://twitter.com/hybrd_app", "fb_url": null, "cb_url": "https://www.crunchbase.com/organization/hybrd", "github_url": null, "logo_url": "https://bookface-images.s3.amazonaws.com/small_logos/4d43a2e4ad2a1d85682aa3ad5a84240ff8cd7dca.png", "app_video_url": null, "dday_video_url": null, "company_photos": [], "primary_partner": null, "founders": [ { "user_id": 1851275, "full_name": "Ben Katz", "title": "Founder/CEO", "founder_bio": "Co-Founder & CEO of HYBRD. Led growth at WHOOP. VP for fitness portfolio at Appex (mobile app roll-up). Ironman + ultra finisher, but weightlifter at heart. \n", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/benjaminlkatz/", "x_url": "https://twitter.com/benlkatz", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/98aab4327f95225192493100daa02ff730fadc48.jpg" }, { "user_id": 1833503, "full_name": "Matt Ruiters", "title": "Founder/CTO", "founder_bio": "🇿🇦 Co-founder & CTO of HYBRD. Former senior software engineer and “bar-raiser” at AWS. Ironman 70.3 x2, HYROX athlete, junior US national rugby team. \n\nClaude Coach in my spare time. ", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/matthew-c-ruiters/", "x_url": "https://x.com/__ruiters", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/70064392a49241cc874a0ee05c2def112a6a877f.jpg" }, { "user_id": 1862703, "full_name": "Caroline \"Shoe\" Shoemaker", "title": "Founder", "founder_bio": "Co-founder & COO of HYBRD. First analytics team hire at WHOOP, VP for productivity portfolio at Appex (mobile app roll-up company). Ironman and HYROX athlete, former competitive swimmer. On a mission to #BeatTheBoys\n\n\n. ", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/shoe-shoemaker/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/cf5e4924f31784047bdbb25945f5cd1d81ce98e0.jpg" }, { "user_id": 1315661, "full_name": "Mats Terwiesch", "title": "Founder/CPO", "founder_bio": "Co-founder of HYBRD. Led core product teams at WHOOP while training on the US national rowing team. Previously published health + AI research at Harvard. ", "is_active": true, "linkedin_url": "https://www.linkedin.com/in/mats-terwiesch/", "x_url": "", "avatar_thumb_url": "https://bookface-images.s3.us-west-2.amazonaws.com/avatars/b86925b09dffc47f65dd5aa10a82ec296b030894.jpg" } ], "jobs": [], "news": [], "launches": [ { "id": 115915, "title": "HYBRD: turn your AI agent into a fitness coach", "tagline": "Connect wearables, understand training history, send plans to smartwatches", "body": "Lifters, runners, triathletes, cyclists: you can now turn your personal AI agent into a fitness coach with HYBRD. Once you connect to the HYBRD MCP, your AI agent will be able to: \n\n* Access and understand all your historical training data\n* Use that data to make workouts and training plans\n* Push those recommendations to your device (watch and/or phone) so you can execute the workouts\n\n**To get set up, just paste this into Claude / Muse / Instinct:** \n\nset up \\\n\\\nMillions of athletes already build training plans inside their favorite AI tool. But those tools have no access to wearable data, no memory from one session to the next, and no way to get a workout from the chat window onto an athlete's watch. HYBRD MCP closes that gap.\n\nThe first thing you should try with HYBRD MCP is to ask something like: \n\n* Across all my runs, when did I have the best ratio between grade adjusted pace and heart rate?\n* What was my most consistent phase ever? \n* What was the difference between my Napa Marathon prep and Boston Marathon prep?\n\nThen have it write you a training plan for your next goal: \n\n* Using the workouts I did most consistently, come up with a plan for Ironman California\n* Help me ramp back up to what I used to lift while maintaining my running volume\n* I’m traveling and will only have access to hotel gyms for a while, modify my current training plan\n\nHYBRD will write those workouts back to your wearable and phone, so you just have to click “start” and you’ll get guided through the plan\n\nYou can also use our companion mobile app to make tracking lifting easy, or track your runs using your phone’s GPS if you don’t have a smartwatch. \n\nHYBRD will manage your wearables connection, be a system of record for your training plan / completed workouts, and steer LLMs towards giving better fitness coaching\n\nThe experience gets especially magical with tools like Muse or Instinct, which can proactively check the local weather, block off time on your calendar, order the right fueling for you etc. \n\nSleep, recovery and nutrition data support are coming in the next few days. \n\nWe have a few thousand athletes on HYBRD so far, check out what they’re doing with it below: \n\n![uploaded image](/media/?type=post&id=115915&key=user_uploads/1315661/ba90bd48-3082-495a-97de-a5b4bcb80d5d)\n\n![uploaded image](/media/?type=post&id=115915&key=user_uploads/1315661/cd6fc55c-c6e3-4cd1-9adc-89e6e0429da4)\n\n![uploaded image](/media/?type=post&id=115915&key=user_uploads/1315661/df460c1b-8fe8-46bf-b60c-6b13ebbdebd8)\n\n![uploaded image](/media/?type=post&id=115915&key=user_uploads/1315661/1fa83022-70ae-49cd-8c18-613955ff486b)\n\n![uploaded image](/media/?type=post&id=115915&key=user_uploads/1315661/e99327d7-3a83-4373-8ce7-e1948cd1e8d3)\n\n![uploaded image](/media/?type=post&id=115915&key=user_uploads/1315661/9a2561b4-c0b7-4d60-822b-05f0184ee4df)\n\n", "url": "https://www.ycombinator.com/launches/U9b-hybrd-turn-your-ai-agent-into-a-fitness-coach", "votes": 11, "created_at": "2026-09-17T20:41:16.655Z" }, { "id": 100595, "title": "HYBRD - agentic coaching for athletes", "tagline": "get faster and stronger", "body": "Hey YC! We’re the team behind HYBRD - Ruiters, Shoe, Ben, Michael and Mats. \n\n![uploaded image](/media/?type=post&id=100595&key=user_uploads/1315661/b570d491-7243-4a3c-8660-ca425a646339)\n\nWe’re excited to share that today **HYBRD is becoming a coach in your pocket.** It’s like having a $500/month private coach on call 24/7. We provide a world-class training plan, then adapt it based on your life, progress, and recovery to keep you on track. \n\n\\\n[LINK TO DEMO VIDEO](https://youtube.com/shorts/PgPKkJqbYs0)\n\nASK: [TRY IT NOW ON THE APP STORE](https://apps.apple.com/us/app/hybrd-get-faster-stronger/id6670271875)\n\n\\\n**Introducing HYBRD Brain**\n\nHYBRD Brain is our AI-powered coach built on top of HYBRD's structured training plans. Tell Brain about your schedule, sport mix, travel, or injuries — and it restructures your entire plan accordingly.\n\n## **⭐ Why HYBRD is different**\n\nThese aren't ChatGPT-slop training plans.\n\nWe've partnered with Alex Viada (creator of the term \"hybrid athlete\") and his Complete Human Performance team to use their world-class programming as HYBRD's foundation. Our agent adapts those plans to you while preserving best-in-class athletic methodology.\n\n(Alex also bought an iPhone just to use HYBRD)\n\n**HYBRD Brain can coach you to achieve anything**\n\n* Training for a marathon but also playing soccer twice a week? HYBRD Brain adjusts your running volume.\n* Tweaked your Achilles and need to back off temporarily? HYBRD Brain rebuilds your training block.\n* Traveling for work and missed three sessions? HYBRD Brain recalculates what comes next so you don’t lose momentum.\n\nInstead of forcing you to follow a plan that breaks on contact with reality, HYBRD Brain builds a plan that adapts to you. \n\n**HYBRD actually does things**\n\nChatting with your health data is cool, but not useful. Most apps just regurgitate your charts back to you (you know how to read a graph) and recommend the CDC's 75 minutes of vigorous activity per week.\n\nThese tools feel disappointing because they don't know your actual goals and constraints, like upcoming races, equipment and your schedule, so they can't do anything meaningful with the data they collect.\n\nHYBRD understands your goals and proactively proposes adjustments that fit your plan. Unplanned workouts, missed sessions, fatigue, cross-training, new PRs… HYBRD recognizes these moments and reorganizes your schedule around them.\n\n**HYBRD uses ALL of your workout data**\n\nEvery workout you do is a puzzle piece in a broader picture of performance. But fitness tracking data is siloed across multiple domains. You might track your running data on a Garmin, your sleep/recovery on WHOOP and your strength training in a spreadsheet. \n\nIt kinda works if you’re _just_ a runner or _just_ a lifter.\n\nBut more and more people are becoming “hybrid” athletes who focus on strength _and_ cardio, so they’re left stitching together multiple data sources to see the full picture.\n\nDo it wrong and you risk “cardio killing your gains”\n\n**HYBRD is adaptive to your history, current level and progress**\n\nHYBRD integrates with all leading wearables and data sources, pulling in your full workout history and deduplicating it. From that data, we give you a holistic view of your strength and cardio fitness, normalized for age, gender, and weight, as a single score you can track over time.\n\nCycling, running, rowing, lifting: we interpret it all to model your physiology and personalize your plan.\n\nSay you want to train more like Alex Viada. You probably aren't deadlifting 700lbs and logging 15+ hours a week (yet?). We scale the fundamentals of his programming down to exactly where you are now.\n\n**FitBench**\n\nOk, it wouldn't be an AI launch without benchmarking.\n\nWe built **FitBench**, a benchmark that evaluates an AI coach across four dimensions: Scientific accuracy, athlete safety, recommendation actionability and conciseness across 25 common coaching scenarios. We used Opus 4.6 as an LLM-as-a-judge to score HYBRD Brain against current ChatGPT and its predecessors.\n\n![uploaded image](/media/?type=post&id=100595&key=user_uploads/1315661/c6e545d7-114b-4cc5-9e1f-806f7197e7d2)\n\nBut how does that compare with human coaches?\n\nWe had HYBRD sit for the **Certified Strength and Conditioning Specialist (CSCS)** exam, which is the gold standard in coaching. You need 70% to pass (half of all human test-takers don't make it). HYBRD scored 77%.\n\n![uploaded image](/media/?type=post&id=100595&key=user_uploads/1315661/4cfa2415-0d8f-4106-850b-f15fcf307d54)\n\n\\\n**Our Story**\n\nBen, Mats, and Shoe all met while working on getting WHOOP to PMF. At the time, outside of work, Mats was training on the US national rowing team and Ben + Shoe were making their first forays into Ironman training.\n\nWe realized that fitness hardware was getting really good, but also was being commoditized. (Just take a look at Coros brutally undercutting Garmin prices)\n\nFor all the data being collected, existing products weren’t providing real coaching to multi-disciplinary “hybrid” athletes like us, partly because none were built to handle strength + cardio data, and partly because models weren’t good enough. \n\nMost athletes are still following static PDF plans they found online, or \"adaptive\" apps that fall apart the moment cross-training enters the picture.\n\nWe teamed up with our co-founder and CTO Ruiters (a senior AWS engineer at the time) and Michael (our founding engineer) to solve that with HYBRD. \n\nIf that problem resonates with you, [try a 7 day free trial of HYBRD!](https://apps.apple.com/us/app/hybrd-get-faster-stronger/id6670271875)", "url": "https://www.ycombinator.com/launches/QAV-hybrd-agentic-coaching-for-athletes", "votes": 8, "created_at": "2026-04-30T14:42:21.007Z" }, { "id": 95448, "title": "HYBRD: Get faster & stronger", "tagline": "World-class training plans personalized perfectly to you", "body": "**TLDR:** HYBRD (F24) is launching personalized strength + 5k/10k/half-marathon/marathon plans to make you faster and stronger! The training plans are by world-class coach Alex Viada, the guy who literally wrote the book that started the _hybrid athlete_ movement. We personalize his plans perfectly to you based on your data and preferences.\n\n**You can check out a demo here:** https://youtube.com/shorts/WCzKPLmS_A4?feature=share\n\n**Asks**\n\n* Get ridiculously fit so that you live longer and show up as the best version of yourselves for your friends and families\n* Do this by trying our 7 day free trial (find us on the [App Store](https://apps.apple.com/us/app/hybrd-get-faster-stronger/id6670271875))\n* Stay motivated by joining our free weekly workout clubs in San Francisco and Boston (email me at [mats@hybrd.app](mailto:mats@hybrd.app) to join the groupchat)\n* Pay it forward by sharing HYBRD with the most athletic people you know\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/2636ea96-f4e3-4c5a-9fb9-03a49e4d7e30)\n\n(pictured above is Alex Viada - if you’re not familiar, he wrote the first book on hybrid training and an inspiration to many, many coaches and athletes in this space. He bought an iPhone just to try HYBRD and we’ve since launched a partnership to provide his training plans on the platform)\\\n\\\n**Ok.. I want to be strong and fast, but what are you actually building?**\n\nWe break down the silos between your cardio, strength and wearable data to give you a complete view of your performance.\n\nThen we use that data to personalize training plans from world-class coaches to you. We’re ex-WHOOP, ex-US national rowing team, triathletes / ultramarathoners ourselves and are building the training platform that we wish had existed for us.\\\n\\\n**Why do I need a separate app for this?**\n\nEvery workout you do is a puzzle piece in a broader picture of performance. But fitness tracking data is siloed across multiple domains. You might track your running data on a Garmin, your sleep/recovery on WHOOP and your strength training in a spreadsheet.\n\nIt kinda works if you’re _just_ a runner or _just_ a lifter.\n\nBut more and more people are becoming “hybrid” athletes who focus on strength _and_ cardio, so they’re left stitching together multiple data sources to see the full picture.\n\nDo it wrong and you risk “cardio killing your gains”\n\n**What are you guys doing about it?**\n\nFirst, HYBRD integrates with all leading wearables and data sources. We pull in as much historical data as we can. We pull in your workouts and deduplicate them.\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/ea007cfa-7a37-4fe1-ac3a-cf3766489e8f)\n\nThen, we make it really easy to track your weightlifting, CrossFit, HYROX - things that aren’t well suited for tracking on a wearable.\n\nYou can use text to input your workout to our AI logger - or, simply upload a picture of your training journal, a whiteboard from a HYROX gym, or a screenshot from an app you already use.\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/d7b6ae82-a69f-44ef-85de-eafad05467e6)\n\nBased on that data, we provide a holistic view of your strength and cardio abilities, normalized for age/gender/weight and give you a single score (analogous to a chess Elo score) that you can use to track your progress.\n\nCycling, running, rowing, lifting data can all be interpreted and used to model your physiology.\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/40a31bf9-1e3d-4cf3-98e1-f8b3ea2cd8a4)\n\nThat gives us all the information we need to know to personalize a training plan for you.\n\nFor example - lets say you want to be more like Alex Viada, the guy I mentioned above. You might not deadlift 700lb+ and be training 15+ hours a week (yet?), so we can scale down the fundamentals of his training plan to whatever is right for you:\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/316c1a00-295f-4498-a9a7-52a70ed43a06)\n\nThese training plans have been developed by likely the most reputable coaching organization in hybrid athletics - Complete Human Performance (shout out to Alex as well as Trevor Tartaglia and Ariana Scalfo!)\n\nAnd once you have that workout plan, we can push it directly to your Garmin (Coros + Apple Watch coming soon), so you can easily run through the workout on the go.\n\nYou’ll be motivated to keep making progress by pushing up your Training Score, which is the first metric to encapsulate both strength and cardio training load, developed by us and Anna Cruse, the Director of Applied Health and Performance Science at the University of Utah.\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/c04f9964-96e3-457c-a1e5-b03c8fd2fc8c)\n\n**Where is this all going?**\n\nWe’ve already had hundreds of thousands of workouts get processed when HYBRD was a tracking-only app, so we’re really pumped about taking things to the next level by adding in adaptive programming.\n\nWe’re going to keep adding more plan types (HYROX, triathlon coming soon) as well as more personalization levers (probably sleep + recovery etc.)\n\nRight now we’re iOS only but stay tuned on the Android side.\n\n**Who are you to tell me how to get stronger + faster..?**\n\n![uploaded image](/media/?type=post&id=95448&key=user_uploads/1315661/3a16ba00-2b5e-4607-bda2-b0152ec649a2)\n\n**Well, we’ve got a great team!**\n\n(from left to right)\n\n* our CTO [**@Matt Ruiters**](https://bookface.ycombinator.com/user/1833503) was a USA Rugby All-American and a former senior SWE at AWS\n* [**@Caroline \"Shoe\" Shoemaker**](https://bookface.ycombinator.com/user/1862703) was the first analytics hire at WHOOP, later GM for a productivity app portfolio at Appex and is racing an Ironman this weekend\n* CEO [**@Ben Katz**](https://bookface.ycombinator.com/user/1851275) led growth at WHOOP, later GM for a fitness app portfolio at Appex and is also racing an Ironman (against Shoe) this weekend\n* Our founding engineer Michael Battaglia is a former WHOOP software engineer and rowed for Cornell\n* [**@Mats Terwiesch**](https://bookface.ycombinator.com/user/1315661) was a core product manager at WHOOP, was concurrently on the US National Rowing Team, ran a 50mi ultramarathon last weekend and previously published health + AI research at Harvard\n\nand we’re just getting started!", "url": "https://www.ycombinator.com/launches/OpU-hybrd-get-faster-stronger", "votes": 24, "created_at": "2025-11-13T19:11:11.440Z" }, { "id": 89832, "title": "HYBRD: the Performance Hub for Modern Athletes", "tagline": "Sync cardio, strength and wearable data for a complete view of athletic performance", "body": "**TL;DR**\n\nHYBRD is the performance hub for modern athletes. We break down the silos between your cardio, strength and wearable data to give you a complete view of your performance. We’re ex-WHOOP, ex-US national rowing team, triathletes / ultramarathoners and are building the app that we wish existed for us.\n\nAfter a great invite-only beta with hundreds of paying users, **we’ve just launched publicly on the** [**iOS App Store**](https://apps.apple.com/us/app/hybrd-hybrid-athlete-tracker/id6670271875)!\n\n\\\nFull demo video here: \n\n**The problem** \n\nEvery workout you do is a puzzle piece in a broader picture of performance. But fitness tracking data is siloed across multiple domains. You might track your running data on a Garmin, your sleep/recovery on WHOOP and your strength training in a spreadsheet. \n\nIt works if you’re _just_ a runner or _just_ a lifter. \n\nBut more and more people are becoming “hybrid” athletes who focus on strength _and_ cardio, so they’re left stitching together multiple data sources to see the full picture.\n\nUntil now. \n\n**Solution**\n\nFirst, HYBRD integrates with all leading wearables and data sources. We pull in as much historical data as we can. \n\n![uploaded image](/media/?type=post&id=89832&key=user_uploads/1315661/1c56a0fe-5540-48db-9739-8d70739f7503)\n\nThen, we make it really easy to track your weightlifting.\n\nYou can use text to input your workout to our AI logger - or, simply upload a picture of your training journal, a whiteboard from a HYROX/CrossFit gym, or a screenshot from an app you already use.\n\n![uploaded image](/media/?type=post&id=89832&key=user_uploads/1315661/649eacd0-e23e-4f46-8374-ae3e6a069399)\n\nBased on that data, we provide a holistic view of your strength and cardio abilities, normalized for age/gender/weight and give you a single score (analogous to a chess Elo score) that you can compare with your training buddies.\n\n\\\nWe recently launched a trends feature so you can see all your data from all your data sources over time. And we’re working with one of the best coaches in the country to put together training plans for you (coming soon into the app) \n\n![uploaded image](/media/?type=post&id=89832&key=user_uploads/1315661/fbb6c4d1-8d4d-48cb-a263-041ae6de0b43)\n\n**Asks**\n\n1. Try our 7 day free trial! \\[[link to App Store](https://apps.apple.com/us/app/hybrd-hybrid-athlete-tracker/id6670271875)\\]\n2. Share our app with the most athletic people you know\n3. Join our free weekly workout clubs in San Francisco and Boston (all welcome, contact us at [founders@hybrd.app](mailto:founders@hybrd.app), and let us know if you want a free Ironman 70.3 or marathon training plan)\n\n**Team**\n\nThree of our founders previously worked at WHOOP, each of us leading teams across product, growth and analytics. Our CTO, Matt, was a senior technical lead at Amazon AWS\n\nWe all are hybrid athletes ourselves - Mats was a member of the US national rowing team and Shoe, Ben and Ruiters have all completed Ironman 70.3s. \n\nEach of us felt underserved by existing fitness apps to the point where we tracked our workouts in Google Sheets, so we decided to build HYBRD.\n\n![uploaded image](/media/?type=post&id=89832&key=user_uploads/1315661/75a21bcd-311d-43cd-ba33-7451c9bdeb79)\n\nShoutout to the HYBRD Workout Club!\n\n![uploaded image](/media/?type=post&id=89832&key=user_uploads/1315661/e76b5fdc-8c51-4323-99c6-6b9365326cef)\n\nWhat’s your HYBRD score?\n\n![uploaded image](/media/?type=post&id=89832&key=user_uploads/1315661/0c7ed21b-29ab-41ba-adee-7279bfe249dc)\n\n", "url": "https://www.ycombinator.com/launches/NMu-hybrd-the-performance-hub-for-modern-athletes", "votes": 34, "created_at": "2025-04-24T17:25:14.152Z" }, { "id": 85200, "title": "HYBRD: fitness OS for elite athletes", "tagline": "Don't let cardio kill your gains.", "body": "**TL;DR**\n\nHYBRD is Strava for elite athletes who do more than just cardio. We’re ex-WHOOP, ex-US national rowing team, triathletes/ultramarathoners, and we are building the app that we wish existed for us.\n\n**Problem**\n\nAthletes who train **both strength and cardio** lack a unified way to track and visualize their training. They track cardio with apps like Garmin, Coros, WHOOP, or Strava and log strength workouts with others like Hevy, Strong, Stronglifts, or even good ol’ pen and paper.\n\nThis fragmented tracking makes it difficult to train effectively and impossible to compete with friends who train in different disciplines.\n\n**Solution**\n\nFirst, HYBRD integrates with **all leading wearables** to pull in your runs, rides, and more.\n\n![uploaded image](/media/?type=post&id=85200&key=user_uploads/1315661/3c50b8d2-8148-4906-b8a5-05904686ec4a)\n\nThen, we make it really easy to track your weightlifting.\n\nYou can input your workout to our AI logger using text— or simply **upload a picture of your training journal**, a whiteboard from a CrossFit gym, or a screenshot from an app you already use.\n\n![uploaded image](/media/?type=post&id=85200&key=user_uploads/1315661/7c27a8dd-957c-4b2e-a295-2142cde54835)\n\nBased on that data, we provide a holistic view of your strength and cardio abilities, normalized for age/gender/weight, and give you a **single score** (analogous to a chess Elo score) that you can compare with your training buddies.\n\n![uploaded image](/media/?type=post&id=85200&key=user_uploads/1315661/073cb4f1-96da-4693-8d15-b482766761a5)\n\nIn the coming weeks, we’ll be adding more detailed analyses and **competitive social features**.\\\n\\\n**Asks**\n\n1. [Apply to join HYBRD](https://www.hybrd.app/?utm_source=ycombinator&utm_medium=launchyc)\n2. Share this post with the most athletic people you know\n\n**Team**\n\n![uploaded image](/media/?type=post&id=85200&key=user_uploads/1315661/3292afcd-5fce-4eeb-a45e-3a0d1e63b059)\n\nThree of our founders previously worked at WHOOP, each of us leading teams across product, growth, and analytics. Our CTO, Ruiters, was a senior technical lead at Amazon AWS.\n\nWe are all hybrid athletes ourselves—Mats was a member of the US national rowing team, and Shoe, Ben, and Ruiters have all completed Ironman 70.3s. \n\nEach of us felt underserved by existing fitness apps— to the point where we tracked our workouts in Google Sheets— so we decided to build HYBRD.\\\n\\\nCheck out our demo video here: ", "url": "https://www.ycombinator.com/launches/MAC-hybrd-fitness-os-for-elite-athletes", "votes": 73, "created_at": "2024-10-31T22:02:49.644Z" } ] } ]