# JC Ring vs Usay

The clearest difference is review sentiment: Usay at 100% against JC Ring's 46%. Usay also leads on rating (5.0 vs 3.8) and in-app purchases (none vs 2). JC Ring's advantage is ratings volume (26 vs 1) and update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. JC Ring sells 2 in-app purchases, starting at $1.00 per month. Usay asks for nothing beyond the download.

Usay holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: JC Ring has 26 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 46% of JC Ring's written reviews are positive against 100% of Usay's.

JC Ring ships an update every 10 days, Usay every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JC Ring | Usay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (26 ratings)](https://appshunter.io/ios/app/jc-ring/id6449987678/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/usay/id6759780128/reviews)** |
| Number of ratings | **26** | 1 |
| Positive reviews | 45.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 326 MB | 162 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [立华 赵](https://appshunter.io/developer/743608936) | [Fison Health Co., Limited](https://appshunter.io/developer/1880602351) |

## What reviewers say

### JC Ring

[App page](https://appshunter.io/ios/app/jc-ring/id6449987678)

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.

**Highlights:** ECG/PPG Heart Monitor, Sleep Monitoring, Activity Tracking, Data Statistics, Heart Rate Range Analysis, Stress Level Monitoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.00 | per month |
| Annual Subscription | $9.99 | per year |


### Usay

[App page](https://appshunter.io/ios/app/usay/id6759780128)

This app offers a silent companion for self-reflection, tracking emotional states, mental fluctuations, and energy rhythms. It uses advanced physiological sensing to help manage stress, improve sleep, and monitor energy levels, blending seamlessly into daily life.

**Highlights:** Emotional state observation, Mental fluctuation tracking, Energy rhythm monitoring, Stress management, Sleep improvement, Physiological sensing

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JC Ring free?

JC Ring is free to download, with in-app purchases available.

### Is Usay free?

Usay is free to download, with no in-app purchases.

### Which has better reviews, JC Ring or Usay?

Usay is rated higher. JC Ring averages 3.8 out of 5 from 26 ratings, while Usay averages 5.0 from 1 ratings.

### Do JC Ring or Usay have ads?

Neither JC Ring nor Usay shows ads.

### Which is updated more often, JC Ring or Usay?

JC Ring ships an update every 10 days, and Usay every 3 weeks. Most recently, JC Ring was updated on November 3, 2026 and Usay on October 31, 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.*