# Chess Opening Analyzer vs Chess Prep Pro Openings

The clearest difference is price: Chess Prep Pro Openings at Free against Chess Opening Analyzer's $0.99. Chess Prep Pro Openings also leads on rating (4.5 vs 3.7) and review sentiment (74% vs 38%). Chess Opening Analyzer's advantage is in-app purchases (none vs 3) and ads (none vs shown). On ratings volume, update cadence and iOS requirement there is nothing between them.

Chess Prep Pro Openings is free to download; Chess Opening Analyzer costs $0.99 up front. Chess Prep Pro Openings sells 3 in-app purchases, starting at $3.99 per month. Chess Opening Analyzer asks for nothing beyond the download.

Chess Prep Pro Openings holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 19 and 20 respectively. Written reviews point the same way: 38% of Chess Opening Analyzer's written reviews are positive against 74% of Chess Prep Pro Openings's.

Chess Opening Analyzer ships an update every 3 weeks, Chess Prep Pro Openings fortnightly. The most recent releases landed on September 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Chess Opening Analyzer | Chess Prep Pro Openings |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.7 (19 ratings)](https://appshunter.io/ios/app/chess-opening-analyzer/id1538625322/reviews) | **[4.5 (20 ratings)](https://appshunter.io/ios/app/chess-prep-pro-openings/id1606629475/reviews)** |
| Number of ratings | 19 | **20** |
| Positive reviews | 38.5% of reviews | **73.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 21 MB | 213 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Enrico Castelli](https://appshunter.io/developer/1491683849) | [Tomasz Bogun](https://appshunter.io/developer/1502902123) |

## What reviewers say

### Chess Opening Analyzer

[App page](https://appshunter.io/ios/app/chess-opening-analyzer/id1538625322)

Analyze your chess games by connecting your lichess and chess.com accounts. Identify your opening strengths and weaknesses through game statistics to improve your play.

**Highlights:** Connect lichess and chess.com accounts, Analyze game strengths and weaknesses, Identify familiar openings, Learn from game statistics, Improve opening play

**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 Opening Analyzer free?

Chess Opening Analyzer costs $0.99, 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 Opening Analyzer or Chess Prep Pro Openings?

Chess Prep Pro Openings is rated higher. Chess Opening Analyzer averages 3.7 out of 5 from 19 ratings, while Chess Prep Pro Openings averages 4.5 from 20 ratings.

### Do Chess Opening Analyzer or Chess Prep Pro Openings have ads?

Chess Prep Pro Openings shows ads; Chess Opening Analyzer does not.

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

Chess Opening Analyzer ships an update every 3 weeks, and Chess Prep Pro Openings fortnightly. Most recently, Chess Opening Analyzer was updated on September 8, 2026 and Chess Prep Pro Openings on September 27, 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.*