# Chess Analyzer 24/7 vs Chess Engine

The clearest difference is update cadence: Chess Engine at every 5 days against Chess Analyzer 24/7's monthly. Chess Analyzer 24/7's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Chess Analyzer 24/7 sells 3 one-off in-app purchases and Chess Engine sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chess Analyzer 24/7 ships an update monthly, Chess Engine every 5 days. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Chess Analyzer 24/7 | Chess Engine |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 143 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robodine Inc.](https://appshunter.io/developer/1859235380) | [Abdullah Anwar](https://appshunter.io/developer/1891791203) |

## What reviewers say

### Chess Analyzer 24/7

[App page](https://appshunter.io/ios/app/chess-analyzer-247/id6756217815)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Credits | $4.99 | one-time |
| 2000 Credits | $8.99 | one-time |
| 5000 Credits | $13.99 | one-time |


### 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 (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessScan Pro Weekly | $4.99 | per 7 days |
| ChessFox Pro Weekly | $4.99 | per 7 days |
| ChessFox Pro Annually | $19.99 | per year |
| ChessFox Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Chess Analyzer 24/7 free?

Chess Analyzer 24/7 is free to download, with in-app purchases available.

### Is Chess Engine free?

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

### Do Chess Analyzer 24/7 or Chess Engine have ads?

Neither Chess Analyzer 24/7 nor Chess Engine shows ads.

### Which is updated more often, Chess Analyzer 24/7 or Chess Engine?

Chess Analyzer 24/7 ships an update monthly, and Chess Engine every 5 days. Most recently, Chess Analyzer 24/7 was updated on October 8, 2026 and Chess Engine on October 11, 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.*