# Chess Clock By Nano Chess vs Chess Clock Pro

The clearest difference is in-app purchases: Chess Clock By Nano Chess at none against Chess Clock Pro's 1. Chess Clock By Nano Chess also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads there is nothing between them.

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

## The numbers

| Metric | Chess Clock By Nano Chess | Chess Clock Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 9 MB | 13 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dang Nguyen](https://appshunter.io/developer/852392951) | [RevelRain](https://appshunter.io/developer/1808697602) |

## What reviewers say

### Chess Clock By Nano Chess

[App page](https://appshunter.io/ios/app/chess-clock-by-nano-chess/id6758000244)

**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 By Nano Chess free?

Chess Clock By Nano Chess 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 By Nano Chess or Chess Clock Pro have ads?

Neither Chess Clock By Nano Chess nor Chess Clock Pro 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.*