# JC Ring vs Keep

The clearest difference is in-app purchases: Keep at none against JC Ring's 2. JC Ring's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (12.0 vs 15.0). 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. Keep asks for nothing beyond the download.

JC Ring ships an update every 10 days, Keep every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | JC Ring | Keep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (26 ratings)](https://appshunter.io/ios/app/jc-ring/id6449987678/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 45.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 326 MB | 26 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [立华 赵](https://appshunter.io/developer/743608936) | [yongheon choi](https://appshunter.io/developer/1747193900) |

## 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 |


### Keep

[App page](https://appshunter.io/ios/app/keep-health/id6740777197)

**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 Keep free?

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

### Do JC Ring or Keep have ads?

Neither JC Ring nor Keep shows ads.

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

JC Ring ships an update every 10 days, and Keep every 2 months. Most recently, JC Ring was updated on November 3, 2026 and Keep on October 30, 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.*