# PlayKnow vs rush64 chess

The clearest difference is in-app purchases: PlayKnow at none against rush64 chess's 2. PlayKnow also leads on ads (none vs shown). rush64 chess's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. rush64 chess sells 2 in-app purchases, starting at $1.99 per month. PlayKnow asks for nothing beyond the download.

## The numbers

| Metric | PlayKnow | rush64 chess |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 2 days |
| Size | 205 MB | 55 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [PLAY AND GO EXPERIENCE](https://appshunter.io/developer/1457219353) | [JUAN HUERTAS PEREZ](https://appshunter.io/developer/6809219784) |

## What reviewers say

### PlayKnow

[App page](https://appshunter.io/ios/app/playknow/id6752715959)

**Features:** macOS Compatibility

**In-app purchases:** none


### rush64 chess

[App page](https://appshunter.io/ios/app/rush64-chess/id6809219782)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rush64 Pro Monthly | $1.99 | per month |
| Rush64 Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is PlayKnow free?

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

### Is rush64 chess free?

rush64 chess is free to download, with in-app purchases available.

### Do PlayKnow or rush64 chess have ads?

rush64 chess shows ads; PlayKnow 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.*