# Chess Clock vs Chess Clock Pro

The clearest difference is in-app purchases: Chess Clock at none against Chess Clock Pro's 1. Chess Clock also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). Chess Clock Pro's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Chess Clock Pro sells 1 one-off in-app purchase. Chess Clock asks for nothing beyond the download.

## The numbers

| Metric | Chess Clock | Chess Clock Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Size | 72 MB | 13 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dawid Wrzesinski](https://appshunter.io/developer/1812701337) | [RevelRain](https://appshunter.io/developer/1808697602) |

## What reviewers say

### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-game-timer/id6757802516)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Clock Pro

[App page](https://appshunter.io/ios/app/chess-clock-pro-game-timer/id6761365166)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessClock PRO | $4.99 | one-time |


## Frequently asked questions

### Is Chess Clock free?

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

### Is Chess Clock Pro free?

Chess Clock Pro is free to download, with in-app purchases available.

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

Chess Clock shows ads; Chess Clock Pro 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.*