Comparison

COLMI Fit vs JRing

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Health metric dashboard
  • Real-time activity tracking
  • Sleep analysis
  • Blood pressure and oxygen monitoring
  • Call and message notifications
  • Calorie and step counting
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

COLMI Fit4 screens
JRing4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

COLMI Fit ships an update every 3 months, JRing monthly. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.

Scorecard3 real differences · 7 level
COLMI Fit versus JRing: the parameters behind the verdict, then further details
ParameterCOLMI FitJRing
PriceFreeFree
Rating3.7 (49 ratings) — better2.3 (98 ratings)
Positive reviews50.0% of reviews — better19.3% of reviews
Number of ratings4998 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS1313.0
Further details — not scored
Size386 MB27 MB
Age rating4+4+
DeveloperFan Lukun小丽 张

Customer experience

COLMI Fit

All ratings46 ratings
Positive60.9%
Neutral17.4%
Negative21.7%
Written reviews18 reviews
Positive50.0%
Neutral27.8%
Negative22.2%

JRing

All ratings98 ratings
Positive27.6%
Neutral8.2%
Negative64.3%
Written reviews161 reviews
Positive19.3%
Neutral13.7%
Negative67.1%

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
Show 15 more
  • 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
Show 15 more
  • 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

None

COLMI Fit

No in-app purchases

None

JRing

No in-app purchases

Questions

Is COLMI Fit free?
COLMI Fit is free to download, with no in-app purchases.
Is JRing free?
JRing is free to download, with no in-app purchases.
Which has better reviews, COLMI Fit or JRing?
COLMI Fit is rated higher. COLMI Fit averages 3.7 out of 5 from 49 ratings, while JRing averages 2.3 from 98 ratings.
Do COLMI Fit or JRing have ads?
Neither COLMI Fit nor JRing shows ads.
Which is updated more often, COLMI Fit or JRing?
COLMI Fit ships an update every 3 months, and JRing monthly. Most recently, COLMI Fit was updated on October 20, 2026 and JRing on October 23, 2026.

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