# ChessKnock vs Chess4U

The clearest difference is in-app purchases: Chess4U at none against ChessKnock's 1. ChessKnock's advantage is iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. ChessKnock sells 1 one-off in-app purchase. Chess4U asks for nothing beyond the download.

## The numbers

| Metric | ChessKnock | Chess4U |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 36 MB | 2 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [West East Labs LLC](https://appshunter.io/developer/1699931923) | [Prem Krishna](https://appshunter.io/developer/1879552422) |

## What reviewers say

### ChessKnock

[App page](https://appshunter.io/ios/app/chessknock/id6746472712)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


### Chess4U

[App page](https://appshunter.io/ios/app/chess4u/id6759794403)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ChessKnock free?

ChessKnock is free to download, with in-app purchases available.

### Is Chess4U free?

Chess4U is free to download, with no in-app purchases.

### Do ChessKnock or Chess4U have ads?

Neither ChessKnock nor Chess4U 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.*