VIV Ring vs retimer Ring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VIV Ring
This smart ring and its companion app offer advanced health tracking, monitoring sleep, activity, heart rate, and stress. It provides personalized insights to help users understand their bodies and make informed lifestyle choices for general wellness.
- Sleep cycle tracking
- Activity level monitoring
- Heart rate monitoring
- Stress level tracking
- Personalized wellness insights
- Intuitive app interface
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The VIV™ Ring is a smart ring that blends timeless design with advanced health-tracking technology. VIV™ tracks, monitors, and provides personalized insights to support your well-being—covering sleep cycles, sleep patterns, activity levels, heart rate, stress levels, and more. The companion VIV™ App delivers a seamless, intuitive experience that simplifies complex wellness information into actionable insights, helping you better understand your body and make informed lifestyle choices. Disclaimer: The VIV™ ring is a wellness device and is NOT a medical device. It is not intended to diagnose, treat, cure, monitor, or prevent any medical condition. It is designed solely for general fitness and wellness purposes. Do not make any changes to your medications, routines, or health behaviors without consulting a licensed medical professional.
retimer Ring
This wearable companion tracks your sleep, activity, stress, and heart health to provide insights for better well-being. It offers advanced sleep stage analysis, VO₂ Max tracking, and supports 18 exercise modes, all accessible through a single app without a subscription.
- Comprehensive health tracking
- Advanced sleep analysis
- VO₂ Max estimation
- 18 exercise modes
- No subscription required
- Activity and stress monitoring
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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.
Screenshots
Verdict
The clearest difference is rating: retimer Ring at 4.0 against VIV Ring's 3.0. retimer Ring also leads on iOS requirement (15.6 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
retimer Ring holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
VIV Ring ships an update every 2 weeks, retimer Ring every 9 days. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.
| Parameter | VIV Ring | retimer Ring |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 4.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 628 MB | 94 MB |
| Age rating | 4+ | 17+ |
| Developer | VIV HEALTH INC. | Re-Time Pty Ltd |
Customer experience
VIV Ring
retimer Ring
In-app purchases
VIV Ring
No in-app purchases
retimer Ring
No in-app purchases









