# zChess Clock vs Chess Clock

The clearest difference is ads: zChess Clock at none against Chess Clock's shown. Chess Clock's advantage is iOS requirement (17.6 vs 26.0). On price, 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** | Yes |
| Size | 2 MB | 12 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Zobrist](https://appshunter.io/developer/1511619762) | [Baris Aygen](https://appshunter.io/developer/1838291634) |

## 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-easy-game-timer/id6758167582)

**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?

Chess Clock shows ads; zChess Clock does not.

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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.*