# Heart Rate Plus LITE vs CK OS

The clearest difference is ratings volume: Heart Rate Plus LITE at 4 against CK OS's 1. Heart Rate Plus LITE also leads on iOS requirement (7.1 vs 13.0). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Heart Rate Plus LITE against 5.0 for CK OS. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Heart Rate Plus LITE | CK OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/heart-rate-plus-lite/id1017018633/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ck-os/id6667112670/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Monetization | Free | Free |
| Size | 8 MB | 255 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Matteo Tagliafico](https://appshunter.io/developer/650871737) | [Shenzhen Aienmi Technology Co., Ltd.](https://appshunter.io/developer/1761782444) |

## What reviewers say

### Heart Rate Plus LITE

[App page](https://appshunter.io/ios/app/heart-rate-plus-lite/id1017018633)

Monitor your heart rate using your iPhone's camera and flash. Track your progress with real-time graphs and understand your heart rate zones for fitness and health. Optional account creation allows data synchronization and backup.

**Highlights:** Heart rate measurement via camera, Real-time heartbeat graph, Heart rate zone calculation, Integration with Apple Health, Optional account for data sync, Tagging of measurements

**In-app purchases:** none


### CK OS

[App page](https://appshunter.io/ios/app/ck-os/id6667112670)

Track your workouts with personalized plans and real-time data analysis. Monitor your health with heart rate and sleep tracking, and sync with other health platforms. Achieve your fitness goals with this comprehensive exercise companion.

**Highlights:** Multiple exercise modes, Real-time data tracking, Personalized training plans, Health monitoring, Data synchronization with Apple Health

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Heart Rate Plus LITE free?

Heart Rate Plus LITE is free to download, with no in-app purchases.

### Is CK OS free?

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

### Which has better reviews, Heart Rate Plus LITE or CK OS?

Heart Rate Plus LITE and CK OS are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

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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.*