# JRing vs Flymatrix

The clearest difference is rating: Flymatrix at 2.5 against JRing's 2.3. Flymatrix also leads on review sentiment (27% vs 19%). JRing's advantage is update cadence (monthly vs every 2 months) and ratings volume (98 vs 14). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Flymatrix holds the better App Store score, 2.5 against 2.3. That said, the two scores are not equally well evidenced: JRing has 98 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 19% of JRing's written reviews are positive against 27% of Flymatrix's.

JRing ships an update monthly, Flymatrix every 2 months. The most recent releases landed on October 19, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | JRing | Flymatrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (98 ratings)](https://appshunter.io/ios/app/jring/id6502148807/reviews) | **[2.5 (14 ratings)](https://appshunter.io/ios/app/flymatrix/id6503146767/reviews)** |
| Number of ratings | **98** | 14 |
| Positive reviews | 19.3% of reviews | **27.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 27 MB | 205 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [小丽 张](https://appshunter.io/developer/1734826164) | [秀英 陈](https://appshunter.io/developer/1618736340) |

## What reviewers say

### JRing

[App page](https://appshunter.io/ios/app/jring/id6502148807)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ⌚ Display screen feature is convenient and useful
- 🔋 Long battery life (up to 7 days on some models)
- 💪 Waterproof and durable hardware design
- 🏥 Syncs well with Apple Health app
- 📊 Tracks multiple health metrics (heart rate, sleep, steps, blood pressure)

**What reviewers complain about**

- 🐛 Frequent app crashes and freezing
- 📡 Bluetooth connection constantly drops and disconnects
- ❌ App fails to connect to ring despite Bluetooth pairing
- 🔄 Data sync issues and inconsistent data transfer
- ⏰ Inaccurate step counting and activity tracking

**Reported bugs**

- 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

**Requested features**

- 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


### Flymatrix

[App page](https://appshunter.io/ios/app/flymatrix/id6503146767)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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 2.3 out of 5 from 98 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 19, 2026 and Flymatrix on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*