# Chessvision.ai eBook Reader vs Chess Engine for Stockfish

The clearest difference is rating: Chessvision.ai eBook Reader at 4.5 against Chess Engine for Stockfish's 4.0. Chessvision.ai eBook Reader also leads on review sentiment (33% vs 0%) and iOS requirement (13.4 vs 16.0). Chess Engine for Stockfish's advantage is ratings volume (28 vs 6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Chessvision.ai eBook Reader sells 2 in-app purchases, starting at $6.99 per month and Chess Engine for Stockfish sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chessvision.ai eBook Reader holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 6 and 28 respectively. Written reviews point the same way: 33% of Chessvision.ai eBook Reader's written reviews are positive against 0% of Chess Engine for Stockfish's.

Chessvision.ai eBook Reader ships an update monthly, Chess Engine for Stockfish every 5 weeks. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chessvision.ai eBook Reader | Chess Engine for Stockfish |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/chessvisionai-ebook-reader/id6599857782/reviews)** | [4.0 (28 ratings)](https://appshunter.io/ios/app/chess-engine-for-stockfish/id6753706741/reviews) |
| Number of ratings | 6 | **28** |
| Positive reviews | **33.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 47 MB | 7 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pawel Kacprzak](https://appshunter.io/developer/1574933455) | [Allegro Digital](https://appshunter.io/developer/1839170882) |

## What reviewers say

### Chessvision.ai eBook Reader

[App page](https://appshunter.io/ios/app/chessvisionai-ebook-reader/id6599857782)

Transform chess eBooks into interactive learning tools. Instantly view board setups from diagrams with a double-tap. Organize your library, analyze positions with engines, and create study sheets.

**Highlights:** Interactive diagram analysis, Organize chess eBooks, Analyze with chess engines, Create PDF study sheets, Export to PGN, Search and filter diagrams, Discover related resources

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chessvision.ai eBook Reader | $6.99 | per month |
| Chessvision.ai eBook Reader | $49.99 | per year |


### Chess Engine for Stockfish

[App page](https://appshunter.io/ios/app/chess-engine-for-stockfish/id6753706741)

Analyze chess positions with a powerful engine, create and edit boards, and import games from images or FEN strings. Save your favorite setups and customize the look with various themes and piece styles.

**Highlights:** Advanced analysis board, Intuitive board editor, Import from images/FEN, Saved positions, Customizable themes, Win probability analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |


## Frequently asked questions

### Is Chessvision.ai eBook Reader free?

Chessvision.ai eBook Reader is free to download, with in-app purchases available.

### Is Chess Engine for Stockfish free?

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

### Which has better reviews, Chessvision.ai eBook Reader or Chess Engine for Stockfish?

Chessvision.ai eBook Reader is rated higher. Chessvision.ai eBook Reader averages 4.5 out of 5 from 6 ratings, while Chess Engine for Stockfish averages 4.0 from 28 ratings.

### Do Chessvision.ai eBook Reader or Chess Engine for Stockfish have ads?

Neither Chessvision.ai eBook Reader nor Chess Engine for Stockfish shows ads.

### Which is updated more often, Chessvision.ai eBook Reader or Chess Engine for Stockfish?

Chessvision.ai eBook Reader ships an update monthly, and Chess Engine for Stockfish every 5 weeks. Most recently, Chessvision.ai eBook Reader was updated on September 14, 2026 and Chess Engine for Stockfish on September 24, 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.*