# Chess Notation Trainer Pro vs Blindfold Chess

The clearest difference is price: Blindfold Chess at Free against Chess Notation Trainer Pro's $4.99. Blindfold Chess also leads on iOS requirement (16.0 vs 18.6). Chess Notation Trainer Pro's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Blindfold Chess is free to download; Chess Notation Trainer Pro costs $4.99 up front. Blindfold Chess sells 1 one-off in-app purchase. Chess Notation Trainer Pro asks for nothing beyond the download.

Chess Notation Trainer Pro ships an update every 6 days, Blindfold Chess weekly. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Chess Notation Trainer Pro | Blindfold Chess |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.9 (16 ratings)](https://appshunter.io/ios/app/blindfold-chess-darksquares/id6758460463/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | — | Freemium |
| Size | 26 MB | 99 MB |
| Requires iOS | 18.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nishat Majid](https://appshunter.io/developer/1727207034) | [Antoine Tamano](https://appshunter.io/developer/1873038224) |

## 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


### Blindfold Chess

[App page](https://appshunter.io/ios/app/blindfold-chess-darksquares/id6758460463)

Sharpen your chess visualization with progressive exercises and AI challenges. Track your progress with an XP system, achievements, and leaderboards. Play against an AI engine without seeing the board.

**Highlights:** Progressive visualization exercises, Blindfold chess puzzles, AI opponent without board view, XP system and achievements, Leaderboards and puzzle rating, Multi-language support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $49.00 | one-time |


## Frequently asked questions

### Is Chess Notation Trainer Pro free?

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

### Is Blindfold Chess free?

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

### Do Chess Notation Trainer Pro or Blindfold Chess have ads?

Neither Chess Notation Trainer Pro nor Blindfold Chess shows ads.

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

Chess Notation Trainer Pro ships an update every 6 days, and Blindfold Chess weekly. Most recently, Chess Notation Trainer Pro was updated on September 7, 2026 and Blindfold Chess on September 18, 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.*