# Čadca vs Čierne

The clearest difference is update cadence: Čadca at every 3 months against Čierne's every 38 months. Čadca also leads on iOS requirement (11.0 vs 13). On price, ads, in-app purchases and device support there is nothing between them.

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

Čadca ships an update every 3 months, Čierne every 38 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Čadca | Čierne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 38 months |
| Size | 24 MB | 5 MB |
| Requires iOS | **11.0** | 13 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIMPLICITY EUROPE a. s.](https://appshunter.io/developer/1415805558) | [adsupra s.r.o.](https://appshunter.io/developer/1470796230) |

## What reviewers say

### Čadca

[App page](https://appshunter.io/ios/app/cadca/id1491481429)

**Features:** macOS Compatibility

**In-app purchases:** none


### Čierne

[App page](https://appshunter.io/ios/app/cierne/id6451485707)

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

**In-app purchases:** none


## Frequently asked questions

### Is Čadca free?

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

### Is Čierne free?

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

### Do Čadca or Čierne have ads?

Neither Čadca nor Čierne shows ads.

### Which is updated more often, Čadca or Čierne?

Čadca ships an update every 3 months, and Čierne every 38 months. Most recently, Čadca was updated on September 17, 2026 and Čierne on September 18, 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.*