# ČSAKI vs ČKS

The clearest difference is iOS requirement: ČSAKI at 12.0 against ČKS's 15.0. 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.

ČSAKI ships an update every 6 weeks, ČKS every 2 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ČSAKI | ČKS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 78 MB | 21 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [APPKEE s.r.o.](https://appshunter.io/developer/1443676614) | [Trilobite Technologies, s.r.o.](https://appshunter.io/developer/1106306899) |

## What reviewers say

### ČSAKI

[App page](https://appshunter.io/ios/app/csaki/id1480306904)

**Features:** Vision Pro support

**In-app purchases:** none


### ČKS

[App page](https://appshunter.io/ios/app/cks/id1512762109)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ČSAKI free?

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

### Is ČKS free?

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

### Do ČSAKI or ČKS have ads?

Neither ČSAKI nor ČKS shows ads.

### Which is updated more often, ČSAKI or ČKS?

ČSAKI ships an update every 6 weeks, and ČKS every 2 months. Most recently, ČSAKI was updated on October 10, 2026 and ČKS on October 7, 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.*