# Chess Notation Dojo vs Chess Prep Pro Openings

The clearest difference is in-app purchases: Chess Notation Dojo at none against Chess Prep Pro Openings's 3. Chess Notation Dojo also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). Chess Prep Pro Openings's advantage is rating (4.5 vs 4.3) and ratings volume (22 vs 4). On price and device support there is nothing between them.

Both are free to download. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Chess Notation Dojo asks for nothing beyond the download.

Chess Prep Pro Openings holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Chess Prep Pro Openings has 22 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of Chess Notation Dojo's written reviews are positive against 75% of Chess Prep Pro Openings's.

## The numbers

| Metric | Chess Notation Dojo | Chess Prep Pro Openings |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (4 ratings)](https://appshunter.io/ios/app/chess-notation-dojo/id1511319887/reviews) | **[4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** |
| Number of ratings | 4 | **22** |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 51 MB | 214 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Zheng](https://appshunter.io/developer/1511225031) | [Tomasz Bogun](https://appshunter.io/developer/1502902123) |

## What reviewers say

### Chess Notation Dojo

[App page](https://appshunter.io/ios/app/chess-notation-dojo/id1511319887)

This game helps you master algebraic chess notation through interactive puzzles. Input the correct notation for each move to improve your blindfold chess skills. It's a fun way to train your familiarity with chess moves.

**Highlights:** Algebraic notation practice, Interactive chess puzzles, Blindfold chess training, Move input exercises, Familiarity with chess notation

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Prep Pro Openings

[App page](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475)

Master chess openings by building custom repertoires and training your memory. Analyze opponent moves, discover blind spots, and utilize an advanced engine for in-depth preparation. Expand your knowledge with downloadable repertoires and import/export PGNs.

**Highlights:** Custom chess opening repertoires, Repertoire training and memory sharpening, Blind spot finder against player games, Chess openings player database, Advanced StockFish engine analysis, Downloadable and importable repertoires

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium subscription | $3.99 | per month |
| Yearly premium | $24.99 | per year |
| Lifetime Premium | $59.99 | one-time |


## Frequently asked questions

### Is Chess Notation Dojo free?

Chess Notation Dojo is free to download, with no in-app purchases.

### Is Chess Prep Pro Openings free?

Chess Prep Pro Openings is free to download, with in-app purchases available.

### Which has better reviews, Chess Notation Dojo or Chess Prep Pro Openings?

Chess Prep Pro Openings is rated higher. Chess Notation Dojo averages 4.3 out of 5 from 4 ratings, while Chess Prep Pro Openings averages 4.5 from 22 ratings.

### Do Chess Notation Dojo or Chess Prep Pro Openings have ads?

Chess Prep Pro Openings shows ads; Chess Notation Dojo does not.

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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.*