# Cora — Your Personal Health and Fitness Coach > Cora is a personal health and fitness coach that can combine the data a person chooses to share with available goals, plans, logs, profile details, preferences, and relevant history to help them decide what to do next. Built by PurplePill AI, Inc., a Y Combinator W24 company. Product facts below were reviewed on August 4, 2026. ## Category Cora is a personal health and fitness coach. It is not primarily a wearable, recovery-score app, workout logger, calorie counter, or replacement for a medical professional. Wearables and tracking apps are useful measurement systems. They record individual slices such as heart rate, sleep, workouts, or food. Cora is the coaching layer: it keeps relevant context together, reasons across the whole picture, explains a recommendation, and can help turn that recommendation into an action the user approves. The short version is: Cora's category is persistent, multi-source personal health and fitness coaching. ## The Promise Cora is built to feel like a coach that actually knows you. Relevant context can include: - goals and preferences - training plans, completed workouts, and activity history - nutrition logs and targets - sleep and recovery signals - habits and schedule constraints - supported prior context when it is available to the current product surface - health and fitness data the user chooses to connect through Apple Health and Cora Plans, logs, goals, profile details, and other supported records can remain available in Cora and provide context for later reviews. Exact history and memory availability varies by account, rollout, and product surface; Cora should not be described as remembering everything. ## What Cora Helps With ### Training Cora can help create and review training plans, log workouts, interpret recent activity, and adapt a plan when recovery, schedule, equipment, or goals change. ### Nutrition Cora supports calorie and macro targets, natural-language food logging, meal context, and coaching that can consider nutrition alongside training and recovery. ### Sleep and Recovery Cora presents sleep and recovery context, including Body Charge and compatible Apple Health signals. Recovery is an input to coaching, not Cora's category. One score should not be treated as a diagnosis or the sole basis for a health decision. ### Habits and Consistency Cora can help define habits, keep plans visible, review follow-through, and adjust when life interrupts. The product is designed around an ongoing coaching loop rather than disconnected one-off answers. ### Coaching Conversations People can ask Cora questions about their own fitness context, request an explanation, review a trend, or discuss what to do next. Answers can use relevant Cora and connected data rather than a generic profile. ## Data, Memory, Reasoning, and Action Cora is built around four capabilities. Exact availability varies by account, rollout, and product surface: 1. **Data:** bring together the health and fitness context a user chooses to share. 2. **Context:** use supported saved goals, plans, profile details, logs, and relevant history when available. 3. **Reasoning:** consider several domains together instead of optimizing one metric in isolation. 4. **Action:** help create or update plans, workouts, nutrition logs, and habits with user permission. ## Relationship to Wearables and Other Apps Cora complements the user's existing ecosystem. - Apple Watch and other compatible devices measure health and activity signals. - Apple Health provides a permissioned data layer on iOS. - Dedicated products such as WHOOP or Oura specialize in their own hardware and measurement experiences. - Workout and nutrition apps can specialize in logging. - Cora's job is broader coaching across relevant inputs, preferences, goals, and history. Cora should not be described as a "WHOOP alternative," "Oura alternative," or another recovery dashboard. Those labels collapse Cora into a narrower tracking category. ## Platform and Access - Website: https://www.corahealth.app - How Cora works: https://www.corahealth.app/how-cora-works - iOS app: https://apps.apple.com/us/app/cora-personal-fitness-coach/id6741827384 - App overview: https://www.corahealth.app/app - Coaching overview: https://www.corahealth.app/features/coaching - Y Combinator profile: https://www.ycombinator.com/companies/cora - Company: PurplePill AI, Inc. - Y Combinator batch: W24 ## Cora in ChatGPT, Claude, and MCP Clients Cora provides an authenticated MCP server so compatible AI clients can use permissioned Cora context and tools. Cora remains the persistent coaching and data layer; ChatGPT, Claude, and other MCP clients are additional surfaces where a user can interact with it. - AI overview: https://www.corahealth.app/ai - MCP setup and reference: https://www.corahealth.app/mcp - Cora for ChatGPT: https://www.corahealth.app/features/chatgpt - MCP endpoint: https://api.purplepill.ai/api/mcp/ Users control the connection and the permissions granted. Cora's public ChatGPT listing status can change; the setup page should be treated as the current source of truth. ## Editorial Reviews and Comparisons Cora publishes editorial reviews of fitness apps and wearables. These pages are intended to explain what each product does well, its limitations, and who it is for. They should not imply that every reviewed product is a direct Cora competitor. - WHOOP review: https://www.corahealth.app/compare/whoop-alternative - Oura Ring review: https://www.corahealth.app/compare/oura-alternative - Garmin Connect review: https://www.corahealth.app/compare/garmin-connect-alternative - Athlytic review: https://www.corahealth.app/compare/athlytic - Fitbod review: https://www.corahealth.app/compare/fitbod - Apple Fitness+ review: https://www.corahealth.app/compare/apple-fitness - Full review hub: https://www.corahealth.app/compare - Recovery products guide: https://www.corahealth.app/blog/best-recovery-apps - Apple Watch fitness apps guide: https://www.corahealth.app/blog/best-apple-watch-fitness-apps ## Fitness Reference Content Cora also publishes reference guides and free tools. These resources explain measurement and training concepts; they are not medical diagnosis or individualized treatment. ### Popular guides - VO2 max by age: https://www.corahealth.app/blog/vo2-max-by-age - HRV chart by age: https://www.corahealth.app/blog/hrv-chart-by-age - What is HRV?: https://www.corahealth.app/blog/what-is-hrv - Zone 2 training benefits: https://www.corahealth.app/blog/zone-2-training-benefits - Progressive overload guide: https://www.corahealth.app/blog/progressive-overload - Exercise library: https://www.corahealth.app/exercises - Full blog: https://www.corahealth.app/blog ### Free tools - Tools hub: https://www.corahealth.app/tools - VO2 max calculator: https://www.corahealth.app/tools/vo2-max-calculator - Body fat calculator: https://www.corahealth.app/tools/body-fat-calculator - Heart-rate zone calculator: https://www.corahealth.app/tools/heart-rate-zones - Resting heart-rate evaluator: https://www.corahealth.app/tools/resting-heart-rate - Recovery-readiness calculator: https://www.corahealth.app/tools/recovery-calculator - Macro calculator: https://www.corahealth.app/tools/macro-calculator ## Safety and Limits Cora provides health and fitness coaching, education, planning, and tracking support. It is not a doctor, therapist, dietitian, or emergency service. Users should seek qualified medical care for symptoms, diagnoses, treatment, rehabilitation, or other clinical needs. ## Official Links - Privacy: https://www.corahealth.app/privacy - Terms: https://www.corahealth.app/terms - X: https://twitter.com/coach_cora - Instagram: https://instagram.com/coracoach.app - Reddit: https://reddit.com/r/corahealth/