# Chess Engine vs RuneChess

The clearest difference is in-app purchases: RuneChess at none against Chess Engine's 5. Chess Engine's advantage is ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Chess Engine sells 5 in-app purchases, starting at $2.99 per month. RuneChess asks for nothing beyond the download.

Chess Engine ships an update every 5 days, RuneChess every 2 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Chess Engine | RuneChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chess-engine-chessfox/id6762020729/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 69 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abdullah Anwar](https://appshunter.io/developer/1891791203) | [MIKHAIL SHMYREV](https://appshunter.io/developer/6794069372) |

## What reviewers say

### Chess Engine

[App page](https://appshunter.io/ios/app/chess-engine-chessfox/id6762020729)

Instantly analyze any chess board by scanning it to find the best next move. This tool uses advanced AI and a powerful chess engine to help you study, train, and improve your game. Digitize diagrams from books or review tournament games with confidence.

**Highlights:** Scan physical or digital chess boards, Instantly find the next best move, AI board recognition, Stockfish engine analysis, Digitize diagrams from books, Save and export to FEN/PGN

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessFox Pro Monthly | $2.99 | per month |
| ChessScan Pro Weekly | $4.99 | per 7 days |
| ChessFox Pro Weekly | $4.99 | per 7 days |
| ChessFox Pro Yearly | $14.99 | per year |
| ChessFox Pro Lifetime | $49.99 | one-time |


### RuneChess

[App page](https://appshunter.io/ios/app/runechess/id6810595002)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Engine free?

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

### Is RuneChess free?

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

### Do Chess Engine or RuneChess have ads?

RuneChess shows ads; Chess Engine does not.

### Which is updated more often, Chess Engine or RuneChess?

Chess Engine ships an update every 5 days, and RuneChess every 2 weeks. Most recently, Chess Engine was updated on November 7, 2026 and RuneChess on November 6, 2026.

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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.*