Comparison

JRing vs Flymatrix

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

Head to head
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

About

Flymatrix

Connect your smartphone and smart bracelet to unlock the full potential of your wearable device. This app synchronizes workout data, monitors vital health metrics like heart rate and blood oxygen, and tracks sleep quality for an enhanced smartwatch experience.

Highlights
  • Smartphone and smart bracelet pairing
  • Workout data synchronization
  • Heart rate monitoring
  • Blood oxygen status tracking
  • Sleep quality monitoring
  • Intelligent phone-watch interaction
Features
Read full description

Use Flymatrix to pair with your smartphone and smart bracelet, experience the full range of features brought by the watch, realize the intelligent interaction between the phone and the watch,Flymatrix has developed various functions according to user habits, and is committed to improving your smart bracelet experience, he will synchronize your workout information, monitor your heart rate, blood oxygen status and sleep quality, download Flymatrix and start enjoying your defining smartwatch experience

Screenshots

JRing4 screens
Flymatrix4 screens

Verdict

The call

The clearest difference is update cadence: JRing at monthly against Flymatrix's every 2 months. JRing also leads on ratings volume (97 vs 14). On price, rating, review sentiment 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

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

On the App Store both sit at effectively the same score — 2.4 for JRing against 2.5 for Flymatrix. That said, the two scores are not equally well evidenced: JRing has 97 ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 20% of JRing's written reviews are positive against 27% of Flymatrix's.

UpkeepUpdate frequency

JRing ships an update monthly, Flymatrix every 2 months. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
JRing versus Flymatrix: the parameters behind the verdict, then further details
ParameterJRingFlymatrix
PriceFreeFree
Rating2.4 (97 ratings)2.5 (14 ratings) — better
Positive reviews19.6% of reviews27.3% of reviews — better
Number of ratings97 — better14
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size26 MB205 MB
Age rating4+4+
Developer小丽 张秀英 陈

Customer experience

JRing

All ratings97 ratings
Positive27.8%
Neutral8.2%
Negative63.9%
Written reviews158 reviews
Positive19.6%
Neutral13.3%
Negative67.1%

Flymatrix

All ratings14 ratings
Positive28.6%
Neutral14.3%
Negative57.1%
Written reviews11 reviews
Positive27.3%
Neutral27.3%
Negative45.5%

Bugs and 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

Flymatrix

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

JRing

No in-app purchases

None

Flymatrix

No in-app purchases

Questions

Is JRing free?
JRing is free to download, with no in-app purchases.
Is Flymatrix free?
Flymatrix is free to download, with no in-app purchases.
Which has better reviews, JRing or Flymatrix?
Flymatrix is rated higher. JRing averages 2.4 out of 5 from 97 ratings, while Flymatrix averages 2.5 from 14 ratings.
Do JRing or Flymatrix have ads?
Neither JRing nor Flymatrix shows ads.
Which is updated more often, JRing or Flymatrix?
JRing ships an update monthly, and Flymatrix every 2 months. Most recently, JRing was updated on October 14, 2026 and Flymatrix on October 2, 2026.

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