# ChessKnock vs Stupid Hard Chess

The clearest difference is ads: ChessKnock at none against Stupid Hard Chess's shown. ChessKnock also leads on iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ChessKnock sells 1 one-off in-app purchase and Stupid Hard Chess sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ChessKnock | Stupid Hard Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/stupid-hard-chess/id6787299286/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 140 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [West East Labs LLC](https://appshunter.io/developer/1699931923) | [Yazid Masri](https://appshunter.io/developer/6787299288) |

## 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 |


### Stupid Hard Chess

[App page](https://appshunter.io/ios/app/stupid-hard-chess/id6787299286)

Experience chess with a unique twist where some of your pieces are hidden, forcing you to rely on memory and visualization. Test your skills across various difficulty levels and blindfold modes, with stakes determined before each game.

**Highlights:** Hidden piece gameplay, Multiple blindfold modes, Real chess engine, Adjustable difficulty tiers, Stakes-based scoring, Daily streak challenges, Limited board reveals

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stupid Hard Chess Pro - Monthly | $4.99 | per month |
| Stupid Hard Chess Pro - Annual | $39.99 | per year |


## Frequently asked questions

### Is ChessKnock free?

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

### Is Stupid Hard Chess free?

Stupid Hard Chess is free to download, with in-app purchases available.

### Do ChessKnock or Stupid Hard Chess have ads?

Stupid Hard Chess 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.*