# ČSTS vs RYTÍŘ

The clearest difference is update cadence: RYTÍŘ at every 4 weeks against ČSTS's every 5 months. ČSTS's advantage is iOS requirement (13.0 vs 15.1). 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.

ČSTS ships an update every 5 months, RYTÍŘ every 4 weeks. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ČSTS | RYTÍŘ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Size | 2 MB | 78 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Designeo Creative s.r.o.](https://appshunter.io/developer/618192062) | [Hokej Kladno s.r.o.](https://appshunter.io/developer/1446407737) |

## What reviewers say

### ČSTS

[App page](https://appshunter.io/ios/app/csts/id1643130186)

**Features:** macOS Compatibility

**In-app purchases:** none


### RYTÍŘ

[App page](https://appshunter.io/ios/app/rytir/id6535674939)

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

**In-app purchases:** none


## Frequently asked questions

### Is ČSTS free?

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

### Is RYTÍŘ free?

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

### Do ČSTS or RYTÍŘ have ads?

Neither ČSTS nor RYTÍŘ shows ads.

### Which is updated more often, ČSTS or RYTÍŘ?

ČSTS ships an update every 5 months, and RYTÍŘ every 4 weeks. Most recently, ČSTS was updated on October 1, 2026 and RYTÍŘ on October 4, 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.*