# Chess Prep Pro Openings vs 3Chess

The clearest difference is review sentiment: Chess Prep Pro Openings at 75% against 3Chess's 25%. Chess Prep Pro Openings also leads on rating (4.5 vs 3.2) and update cadence (fortnightly vs monthly). 3Chess's advantage is in-app purchases (none vs 3). On price, ads, device support and iOS requirement 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. 3Chess asks for nothing beyond the download.

Chess Prep Pro Openings holds the better App Store score, 4.5 against 3.2. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews point the same way: 75% of Chess Prep Pro Openings's written reviews are positive against 25% of 3Chess's.

Chess Prep Pro Openings ships an update fortnightly, 3Chess monthly. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Chess Prep Pro Openings | 3Chess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (22 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** | [3.2 (5 ratings)](https://appshunter.io/ios/app/3chess/id6499236227/reviews) |
| Number of ratings | **22** | 5 |
| Positive reviews | **75.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 214 MB | 54 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tomasz Bogun](https://appshunter.io/developer/1502902123) | [Oliver Blade](https://appshunter.io/developer/1742856668) |

## What reviewers say

### 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 |


### 3Chess

[App page](https://appshunter.io/ios/app/3chess/id6499236227)

Experience a unique twist on the classic game with this three-player chess variant. Test your logic and strategy in real-time or turn-based matches across multiple platforms. Learn the ropes with interactive guides and play online with friends or anonymously.

**Highlights:** Three-player chess gameplay, Real-time and turn-based online matches, Cross-platform compatibility, Interactive learning guides, Offline 'pass and play' mode, Anonymous play option

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Prep Pro Openings free?

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

### Is 3Chess free?

3Chess is free to download, with no in-app purchases.

### Which has better reviews, Chess Prep Pro Openings or 3Chess?

Chess Prep Pro Openings is rated higher. Chess Prep Pro Openings averages 4.5 out of 5 from 22 ratings, while 3Chess averages 3.2 from 5 ratings.

### Do Chess Prep Pro Openings or 3Chess have ads?

Both Chess Prep Pro Openings and 3Chess show ads.

### Which is updated more often, Chess Prep Pro Openings or 3Chess?

Chess Prep Pro Openings ships an update fortnightly, and 3Chess monthly. Most recently, Chess Prep Pro Openings was updated on October 15, 2026 and 3Chess on October 2, 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.*