# Chess Notation Trainer Pro vs Board Brain

The clearest difference is price: Board Brain at Free against Chess Notation Trainer Pro's $4.99. Board Brain also leads on iOS requirement (15.0 vs 18.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Board Brain is free to download; Chess Notation Trainer Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Chess Notation Trainer Pro | Board Brain |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/board-brain/id6482852806/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Monetization | — | Free |
| Size | 26 MB | 2 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Selvarajan Thangavel](https://appshunter.io/developer/1482739883) |

## What reviewers say

### Chess Notation Trainer Pro

[App page](https://appshunter.io/ios/app/chess-notation-trainer-pro/id6478752238)

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

**In-app purchases:** none


### Board Brain

[App page](https://appshunter.io/ios/app/board-brain/id6482852806)

This app helps chess players of all levels enhance their skills through interactive games and exercises. It focuses on mastering chessboard coordinates, understanding piece movements, and recognizing square colors to improve overall game vision.

**Highlights:** Interactive games, Skill-building exercises, Chessboard coordinate mastery, Piece movement understanding, Square color recognition

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chess Notation Trainer Pro free?

Chess Notation Trainer Pro costs $4.99, with no in-app purchases.

### Is Board Brain free?

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

### Do Chess Notation Trainer Pro or Board Brain have ads?

Neither Chess Notation Trainer Pro nor Board Brain shows ads.

### Which is updated more often, Chess Notation Trainer Pro or Board Brain?

Chess Notation Trainer Pro ships an update every 6 days, and Board Brain every 6 days. Most recently, Chess Notation Trainer Pro was updated on October 9, 2026 and Board Brain on September 30, 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.*