# Chess Vision vs ChessKnock

The clearest difference is in-app purchases: Chess Vision at none against ChessKnock's 1. ChessKnock's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

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

## The numbers

| Metric | Chess Vision | ChessKnock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 46 MB | 36 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akshavi Inc Private Limited](https://appshunter.io/developer/1810204463) | [West East Labs LLC](https://appshunter.io/developer/1699931923) |

## What reviewers say

### Chess Vision

[App page](https://appshunter.io/ios/app/chess-vision-board-visualizer/id6745750676)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Chess Vision free?

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

### Is ChessKnock free?

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

### Do Chess Vision or ChessKnock have ads?

Chess Vision shows ads; ChessKnock 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.*