# Dark Chess Pro vs Koch

The clearest difference is in-app purchases: Koch at none against Dark Chess Pro's 2. Koch also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | Dark Chess Pro | Koch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | — |
| Size | 258 MB | 43 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Reputation Software CO., LTD.](https://appshunter.io/developer/1888119588) | [itch koch](https://appshunter.io/developer/1893800961) |

## What reviewers say

### Dark Chess Pro

[App page](https://appshunter.io/ios/app/dark-chess-pro/id6761172000)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $4.99 | one-time |


### Koch

[App page](https://appshunter.io/ios/app/koch-chess/id6762317677)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dark Chess Pro free?

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

### Is Koch free?

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

### Do Dark Chess Pro or Koch have ads?

Dark Chess Pro shows ads; Koch 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.*