# zChess Clock vs Chess Clock

The clearest difference is iOS requirement: Chess Clock at 15.1 against zChess Clock's 26.0. 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.

## The numbers

| Metric | zChess Clock | Chess Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 months |
| Size | 2 MB | 38 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Zobrist](https://appshunter.io/developer/1511619762) | [Burak Can INCE](https://appshunter.io/developer/1796472626) |

## What reviewers say

### zChess Clock

[App page](https://appshunter.io/ios/app/zchess-clock/id6754953115)

**In-app purchases:** none


### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-timer-for-chess/id6759971219)

**In-app purchases:** none


## Frequently asked questions

### Is zChess Clock free?

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

### Is Chess Clock free?

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

### Do zChess Clock or Chess Clock have ads?

Neither zChess Clock nor Chess Clock shows ads.

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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.*