# Chess Engine vs Chess Trainer

Chess Engine and Chess Trainer are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Chess Engine sells 5 in-app purchases, starting at $2.99 per month and Chess Trainer sells 7 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Chess Engine | Chess Trainer |
| --- | --- | --- |
| 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 | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Abdullah Anwar](https://appshunter.io/developer/1891791203) | [Youssef Ziat](https://appshunter.io/developer/1871790298) |

## 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 |


### Chess Trainer

[App page](https://appshunter.io/ios/app/chess-trainer-tactics-and-play/id6804259145)

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $6.99 | per month |
| Yearly Pro | $19.99 | per year |
| 300 coins | $1.99 | one-time |
| 1,000 coins | $4.99 | one-time |
| 2,500 coins | $9.99 | one-time |
| Pro — Lifetime | $14.99 | one-time |
| Lifetime Pro | $34.99 | one-time |


## Frequently asked questions

### Is Chess Engine free?

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

### Is Chess Trainer free?

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

### Do Chess Engine or Chess Trainer have ads?

Neither Chess Engine nor Chess Trainer shows ads.

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

Chess Engine ships an update every 5 days, and Chess Trainer every 5 days. Most recently, Chess Engine was updated on November 7, 2026 and Chess Trainer 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.*