# retimer Ring > All-day wearable for comprehensive health, sleep, and fitness tracking without a subscription. (iPhone/iPad app by Re-Time Pty Ltd.) - Source: https://appshunter.io/ios/app/retimer-ring/id6741458213 (this page in markdown: same URL + `.md`) - Developer: [Re-Time Pty Ltd](https://appshunter.io/developer/637379603) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 4.00/5 from 1 App Store ratings - Age rating: 17+ - Requires: iOS 15.6 · 94 MB - Languages: American English - Released: 2025-10-09 - Data updated: 2026-06-02 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/retimer-ring/id6741458213/reviews.md ## What is retimer Ring? retimer Ring – Your all-day, every-day health & wellness companion The retimer Ring is more than a wearable — it’s your everyday companion. Comfortable enough to be worn around the clock, it captures the signals from your finger that hold the key to better sleep, more energy, and lasting well-being. Comprehensive Health Tracking Monitor sleep, activity, stress, heart health, workouts, and recovery with precision. Get detailed insights to optimize your daily performance and long-term well-being. Advanced Sleep Tracking Gain deep insights into every stage of sleep — REM, Deep, Light, and Wakefulness. Track sleep debt, receive actionable nudges, and optimize your rest for better recovery. VO₂ Max Tracking Whether you’re an athlete in training or starting your fitness journey, the retimer Ring provides an accurate VO₂ Max score right from your finger — helping you boost performance, recovery, and longevity. Elevate Your Fitness Routine Track steps, measure VO₂ Max, monitor activity intensity, and estimate calories burned — all in one place. With 18 different exercise modes, the retimer Ring adapts to your lifestyle — whether you’re running, lifting, swimming, or cycling. One App, No Subscription Access all core features including sleep, stress, heart rate, HRV, skin temperature, recovery, VO₂ Max, and glucose indicators on the retimer app with no subscription required. How to Wear Your retimer Ring For best performance, wear the ring on the index finger of your non-dominant hand. Middle or ring fingers are also suitable. Ensure a comfortable fit — not too loose or tight. The ring sensor should face the palm side of your finger for accurate readings. [DISCLAIMER] Not a medical device This ring is not a medical device and should not be used as a substitute for professional medical judgement. It is not designed or intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of any condition or disease. Please consult your healthcare professional prior to making any decisions related to your health. This application and its associated hardware are intended for wellness and fitness purposes only. They are not medical devices and are not designed to diagnose, treat, cure, or prevent any disease. The data and analysis provided by the app are for personal reference only and should not be used as a substitute for professional medical advice. Always consult a qualified healthcare provider before making medical decisions. ## Key features - Comprehensive health tracking - Advanced sleep analysis - VO₂ Max estimation - 18 exercise modes - No subscription required - Activity and stress monitoring ## Frequently asked questions about retimer Ring ### What health metrics does retimer Ring track? retimer Ring tracks sleep stages (REM, Deep, Light, Wakefulness), activity levels, stress, heart health (including HRV), skin temperature, recovery, VO₂ Max, and glucose indicators. This comprehensive data helps users optimize daily performance and long-term well-being. ### Is there a subscription required to use retimer Ring? No, all core features of the retimer Ring, including sleep, stress, heart rate, HRV, skin temperature, recovery, VO₂ Max, and glucose indicators, are accessible through the retimer app without any subscription fees. ### How accurate is the VO₂ Max tracking on retimer Ring? The retimer Ring provides an accurate VO₂ Max score directly from your finger, which is beneficial for both athletes in training and those starting their fitness journey. This metric helps in boosting performance, recovery, and longevity. ### What devices is the retimer Ring app compatible with? The retimer Ring app is currently supported on iPhone and iPod devices. Users can access their health data and insights on these Apple platforms. ### How should I wear my retimer Ring for best performance? For optimal readings, wear the retimer Ring on the index finger of your non-dominant hand, or alternatively on the middle or ring fingers. Ensure a comfortable fit and that the ring sensor faces the palm side of your finger. ### Is retimer Ring a medical device? No, the retimer Ring is not a medical device and should not be used as a substitute for professional medical judgment. It is intended for wellness and fitness purposes only and is not designed to diagnose, treat, cure, or prevent any disease. ### How often is the retimer Ring app updated? The retimer Ring app was last updated on March 17, 2026, with version 1.1.3. This indicates a recent update, suggesting ongoing development and support for the application. ### What is the age rating for the retimer Ring app? The retimer Ring app has an age rating of 17+. This is likely due to the nature of health data analysis and the potential for users to make health-related decisions based on the information provided. ## Version history (last 5 releases) ### 1.1.3 — 2026-03-17 minor improvement ### 1.1.2 — 2026-01-15 minor improvement ### 1.1.1 — 2026-01-03 minor improvement ### 1.1.0 — 2025-12-23 minor improvement ### 1.0.9 — 2025-12-19 minor improvement ## Apps similar to retimer Ring | App | Rating | Price | Category | | --- | --- | --- | --- | | [CONTINUUM WELLNESS](https://appshunter.io/ios/app/continuum-wellness/id6477729635) | — | Free | Health & Fitness | | [Energy Routine](https://appshunter.io/ios/app/energy-routine/id6464148405) | — | Free | Health & Fitness | | [Body Align Physio & Pilates](https://appshunter.io/ios/app/body-align-physio-and-pilates/id6478485302) | — | Free | Health & Fitness | | [Outa: Meditation & Sleep](https://appshunter.io/ios/app/outa-meditation-and-sleep/id1534938637) | 3.0 (3) | Free | Health & Fitness | | [MCHN Strength](https://appshunter.io/ios/app/mchn-strength/id1542266429) | 5.0 (47) | Free | Health & Fitness | | [NowZone®](https://appshunter.io/ios/app/nowzone/id1526260241) | — | Free | Health & Fitness | ## More apps by Re-Time Pty Ltd - [THIM - Sleep Ring](https://appshunter.io/ios/app/thim-sleep-ring/id1538264675) - [retimer](https://appshunter.io/ios/app/retimer/id6475566801) All apps by Re-Time Pty Ltd: https://appshunter.io/developer/637379603 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-02.*