# Chess Engine vs ChessWOW Stockfish 19 Analysis

The clearest difference is rating: Chess Engine at 5.0 against ChessWOW Stockfish 19 Analysis's 3.0. Chess Engine also leads on monetization model (free with in-app purchases vs subscription). ChessWOW Stockfish 19 Analysis's advantage is update cadence (daily vs every 5 days). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Chess Engine sells 5 in-app purchases, starting at $2.99 per month and ChessWOW Stockfish 19 Analysis sells 6 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chess Engine holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Chess Engine ships an update every 5 days, ChessWOW Stockfish 19 Analysis daily. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Chess Engine | ChessWOW Stockfish 19 Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chess-engine-chessfox/id6762020729/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/chesswow-stockfish-19-analysis/id6814417001/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Daily** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 179 MB | 131 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abdullah Anwar](https://appshunter.io/developer/1891791203) | [Btechnology GmbH](https://appshunter.io/developer/6784180004) |

## 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 |


### ChessWOW Stockfish 19 Analysis

[App page](https://appshunter.io/ios/app/chesswow-stockfish-19-analysis/id6814417001)

Analyze chess games and positions using the powerful Stockfish 19 engine directly on your device. Import from screenshots, photos, or PGN/FEN files, then explore variations and game reports. Play against the engine or save your games offline.

**Highlights:** Stockfish 19 analysis engine, Import from screenshots and photos, PGN and FEN import, Offline analysis and play, Game library, Play against Stockfish

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessWOW Pro | $9.99 | per 7 days |
| ChessWOW Pro | $9.99 | per 7 days |
| ChessWOW Pro | $15.99 | per month |
| ChessWOW Pro | $15.99 | per month |
| ChessWOW Pro | $45.99 | per year |
| ChessWOW Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Chess Engine free?

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

### Is ChessWOW Stockfish 19 Analysis free?

ChessWOW Stockfish 19 Analysis is free to download, with in-app purchases available.

### Which has better reviews, Chess Engine or ChessWOW Stockfish 19 Analysis?

Chess Engine is rated higher. Chess Engine averages 5.0 out of 5 from 2 ratings, while ChessWOW Stockfish 19 Analysis averages 3.0 from 2 ratings.

### Do Chess Engine or ChessWOW Stockfish 19 Analysis have ads?

Neither Chess Engine nor ChessWOW Stockfish 19 Analysis shows ads.

### Which is updated more often, Chess Engine or ChessWOW Stockfish 19 Analysis?

Chess Engine ships an update every 5 days, and ChessWOW Stockfish 19 Analysis daily. Most recently, Chess Engine was updated on November 5, 2026 and ChessWOW Stockfish 19 Analysis 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.*