# Kashf 247 vs CK OS

The clearest difference is iOS requirement: CK OS at 13.0 against Kashf 247's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Kashf 247 ships an update every 3 weeks, CK OS fortnightly. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Kashf 247 | CK OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ck-os/id6667112670/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 93 MB | 255 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kashf 247](https://appshunter.io/developer/1358334570) | [Shenzhen Aienmi Technology Co., Ltd.](https://appshunter.io/developer/1761782444) |

## What reviewers say

### Kashf 247

[App page](https://appshunter.io/ios/app/kashf-247/id1631725824)

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

**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 Kashf 247 free?

Kashf 247 is free to download, with no in-app purchases.

### Is CK OS free?

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

### Do Kashf 247 or CK OS have ads?

Neither Kashf 247 nor CK OS shows ads.

### Which is updated more often, Kashf 247 or CK OS?

Kashf 247 ships an update every 3 weeks, and CK OS fortnightly. Most recently, Kashf 247 was updated on October 25, 2026 and CK OS on October 11, 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.*