Evie Ring vs JC Ring
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Evie Ring
This app offers a comprehensive approach to women's wellness, empowering users to track their menstrual cycle, analyze sleep quality, and monitor daily activity. It provides personalized insights to help users understand their bodies and take control of their health journey.
- Menstrual cycle tracking
- Sleep quality analysis
- Activity tracking
- Workout logging
- SpO2 monitoring
- Heart rate monitoring
Read full descriptionHide full description
Say "hello" to a new dawn for women's wellness. Evie is on a mission to bring you a trusted and personalized whole wellness solution that gives you the power to take control of your unique journey. Menstrual Cycle Track your period and menstrual symptoms to better understand yourself. Sleep Quality Identify ways to get a more restful sleep with detailed analysis of your sleep cycles and overnight wellness vitals. Activity Tracking Get a comprehensive understanding of your activity levels throughout the day with workout logs and continuous activity tracking. ** Tested against and accurate to International Standard IEC 80601-2-61 for peripheral blood oxygen levels (SpO2) and heart rate during spot check. ** In addition to using the App, seek a doctor's advice before making any medical decisions.
JC Ring
This app integrates with a smart ring to provide comprehensive daily health tracking. It monitors vital signs like heart rate, sleep patterns, and activity levels, presenting data in clear statistical graphs to help users achieve a balanced lifestyle.
- ECG/PPG Heart Monitor
- Sleep Monitoring
- Activity Tracking
- Data Statistics
- Heart Rate Range Analysis
- Stress Level Monitoring
Read full descriptionHide full description
JCRing is a multi-functional app integrating smart ring for your daily health tracking. By advanced monitor technology and algorithm, the different health devices tells you wide-ranging body information and provide various assists to help you reach your balance of body and mind. Besides your daily activity, it can also get deeply into your heart, sleep, workouts and many other vital sings. This app then illustrates all data in beautiful statistic graphs for you to easily access them. JCRing is packed with useful features when connected with different health devices including: • ECG/PPG Heart Monitor Accurate heart rate measurement with heart rate range analysis. Through research-based algorithm, it shows your HRV, stress level, blood pressure, SpO2, ECG and cardiovascular condition. • Sleep Monitor Record detailed daily sleep status including deep sleep, light sleep, and sleeping heart rate, Spo2 etc. • Activity Tracking 24-hour tracking of your steps, distance, calories-burnt, active-time, and reached daily-goal. • Data Statistics Display historical trend of your health data by day, week, month, and year in vivid statistic graphs. Start a new healthy and active lifestyle with JCRing. If you are using an Apple phone, in order to calculate the training consumption, we will receive and send your sports data from Apple's HealthKit with your authorization. To simplify your input process, we read your weight data from HealthKit. At the same time, the training data generated by your JCRing will be synchronized with Apple's HealthKit. Any information obtained through the use of HealthKit, such as weight and heart rate data, will not be shared or sold to any third party, including advertisers and other agents This application and its associated hardware are intended for wellness and fitness purposes only. They are not a substitute for professional medical equipment and are not designed to diagnose, treat, or prevent any disease. The data and analysis provided by the app are for personal reference only and should not be used as the basis for medical decisions. Always seek a doctor’s advice in addition to using this app and before making any medical decisions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: JC Ring at 3.9 against Evie Ring's 1.5. JC Ring also leads on review sentiment (46% vs 7%) and update cadence (every 10 days vs every 3 weeks). Evie Ring's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support 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. JC Ring sells 2 in-app purchases, starting at $1.00 per month. Evie Ring asks for nothing beyond the download.
JC Ring holds the better App Store score, 3.9 against 1.5. Both are backed by a comparable volume of ratings — 16 and 25 respectively. Written reviews point the same way: 7% of Evie Ring's written reviews are positive against 46% of JC Ring's.
Evie Ring ships an update every 3 weeks, JC Ring every 10 days. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.
| Parameter | Evie Ring | JC Ring |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (16 ratings) | 3.9 (25 ratings) — better |
| Positive reviews | 6.6% of reviews | 45.8% of reviews — better |
| Number of ratings | 16 | 25 — better |
| Update frequency | Every 3 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 154 MB | 326 MB |
| Age rating | 17+ | 12+ |
| Developer | Movano Inc | 立华 赵 |
Customer experience
Evie Ring
JC Ring
Bugs and requests
Evie Ring
Reported bugs
18 issues- Ring won't sync with app
- Battery dies within 3-6 months of use
- App crashes frequently
- Sleep data not recorded on some nights
- Spot check feature fails consistently
Show 13 moreShow fewer
- Ring disconnects randomly from phone
- Data loss after app updates
- Bluetooth pairing failures
- Heart rate sensor stops working
- Ring only connects when on charger
- Step count shows 99,000+ steps in single day
- Sleep timing off by hours
- Counts steps while sedentary
- App won't update or update breaks functionality
- Ring won't pair after factory reset
- Temperature readings inaccurate
- Data syncing delays
- Metrics not tracking after updates
Requested features
18 requests- Apple Health integration
- Manual sleep and activity logging/editing
- Automatic workout detection
- Advanced cycle tracking with temperature insights
- Pregnancy tracking mode
Show 13 moreShow fewer
- Intimacy tracking
- Custom mood and symptom options
- Real-time temperature data for ovulation tracking
- Notifications for health changes (heart rate, temperature)
- Nap tracking capability
- Spot check reliability improvements
- Data retention beyond 2 weeks
- Detailed analytics and health correlations
- Workout app integration
- Temperature graph visualization
- More than three goal options
- Wireless charging case
- Symptom logging buttons like Apple Health
JC Ring
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Evie Ring
No in-app purchases
JC Ring
- Monthly Subscription$1.001 Month
- Annual Subscription$9.991 Year








