COLMI Fit vs JRing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COLMI Fit
This app syncs with compatible smartwatches to display health metrics like steps, calories, heart rate, sleep, blood pressure, and blood oxygen. It also provides notifications for calls and messages, and tracks various sports activities.
- Health metric dashboard
- Real-time activity tracking
- Sleep analysis
- Blood pressure and oxygen monitoring
- Call and message notifications
- Calorie and step counting
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Dashboard Everything at a glimpse: your steps and burned calories, your heart rate, your sleep, your blood pressure, your blood oxygen. Notifications COLMI Smartwatch notifies you about new calls, Facebook and other messages. Activity Tracking Your COLMI Smartwatch lets you track activities of multiple sports. Calories Take a look at your burned calories on a daily or weekly basis. Steps Take a look at how many steps you took today. Your COLMI Smartwatch shows your steps in real time. Sleep In the overview you’ll see the last night. In the detailed view you’ll see the last few days. Suitable for: COLMI S9 PLUS, COLMI V11, COLMI CY7, COLMI Sport 3, COLMI M28. COLMI Smartwatch Official website: https://www.colmi.com/ Slogan: Young and simple, but never naive. Apple Health App Sharing - Integrates with Apple Health App
JRing
Track your daily activity, exercise, and sleep to achieve a healthier lifestyle. Monitor steps, calories burned, distance, and sleep patterns with detailed analysis and goal tracking. Offers multiple exercise modes and GPS tracking for your workouts.
- Daily goal tracking
- Health data display (steps, sleep, exercise)
- Sports data analysis with GPS
- Multiple exercise modes
- Sleep pattern tracking
- Calorie, pace, speed, distance tracking
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Get to a healthier and more active life with the new JRing app! Download the JRing application and step into a new way of taking care of your health. With daily goal tracking, you can make sure your everyday life is planned to deliver you the best possible way to keep yourself fit. The main features of JRing include: 1. Health display data: JRing records data related to your physical condition, such as number of steps, sleep time, exercise consumption, etc. 2. Sports data analysis: JRing app can also record your exercise situation and display various data after exercise, including detailed routes and various sports data analysis. 3. Multiple exercise modes: No matter which exercise method you choose, rich dynamic exercise modes ensure you can reach your full potential. 4. Sleep Tracking: Sleep pattern tracking helps you recover from an energetic workout and provides insights like deep sleep and light sleep duration. With constant updates to keep up with the latest technology and constantly improving the user experience, the JRing app is your perfect partner no matter what. Your JRing app also allows you to track your activity using in-app GPS so you know the path of your activity. Monitor your goals: See daily progress towards your cardio points and step goals. Easily adjust your goals and constantly challenge yourself to achieve a healthy mind. With the JRing app you get: - Sleep monitoring - Remote control Selfie function. - Short video remote control function. - Change and adjust your profile and settings for the best user experience. Not only that, but you also get key metrics/data pointers while using the JRing app to calculate calories burned, pace, speed, distance traveled, and more. It's Bigger, Better, Bolder, Download the JRing app now! -Continued use of GPS running in the background can dramatically decrease battery life. -JRing is already access to HealthKit, you can view your health data through HealthKit
Screenshots
Verdict
The clearest difference is rating: COLMI Fit at 3.7 against JRing's 2.3. COLMI Fit also leads on review sentiment (50% vs 19%). JRing's advantage is update cadence (monthly vs every 3 months). On price, ratings volume, ads and in-app purchases 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.
COLMI Fit holds the better App Store score, 3.7 against 2.3. Both are backed by a comparable volume of ratings — 49 and 98 respectively. Written reviews point the same way: 50% of COLMI Fit's written reviews are positive against 19% of JRing's.
COLMI Fit ships an update every 3 months, JRing monthly. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.
| Parameter | COLMI Fit | JRing |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (49 ratings) — better | 2.3 (98 ratings) |
| Positive reviews | 50.0% of reviews — better | 19.3% of reviews |
| Number of ratings | 49 | 98 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13 | 13.0 |
| Further details — not scored | ||
| Size | 386 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Fan Lukun | 小丽 张 |
Customer experience
COLMI Fit
JRing
Bugs and requests
COLMI Fit
Not enough reviews yet to summarise bugs or requests.
JRing
Reported bugs
20 issues- App crashes on startup (especially after iOS updates)
- Ring disconnects from app and won't reconnect without recharging
- Bluetooth pairing works but app connection fails
- Step counter shows drastically inaccurate numbers
- Sleep data not recording or showing incorrect times
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- Blood oxygen readings stuck at 99 or not updating
- Heart rate data not syncing automatically
- Battery percentage displays incorrectly (shows 0% when fully charged)
- App cuts out after exiting each tab
- Display brightness settings revert to 80% after sync
- Duplicate exercise categories (two climbing options instead of cycling)
- Data stuck until app is manually opened and synced
- Sleep phase breakdown not syncing to Apple Health
- Blood pressure data appears in Health app but not in JRing app
- Unwanted dot appears on phone screen from scrolling feature
- Find phone feature triggers unexpectedly
- App not compatible with iOS 26/26.1/26.4
- Ring shows 0% battery instead of 100% when charging
- Gesture/scrolling features don't work properly
- Settings get deleted or reset unexpectedly
Requested features
20 requests- Automatic periodic blood oxygen measurements (not just manual)
- Dark mode theme option
- Automatic low battery notifications
- Customizable display brightness settings in app (not just on ring)
- Lock screen widget for quick health data access
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- Multiple ring support in single account
- Blood oxygen sync to Apple Health
- Automatic timed oxygen measurements like heart rate
- Customizable sleep schedule for shift workers
- More exercise/activity types beyond walking, running, cycling
- Resting heart rate display
- Heart rate variability tracking
- REM sleep detection
- Ability to disable button and keep screen always on
- Customizable display screens and data shown
- Phone call and SMS notifications on ring
- GPS data export to computer
- Weekly and monthly sleep statistics display
- Manual blood pressure measurement trigger
- Stress level monitoring
In-app purchases
COLMI Fit
No in-app purchases
JRing
No in-app purchases








