# Chess Opener PRO vs Interactive Chess Books

The clearest difference is price: Interactive Chess Books at Free against Chess Opener PRO's $8.99. Interactive Chess Books also leads on rating (5.0 vs 4.4) and review sentiment (100% vs 76%). Chess Opener PRO's advantage is ratings volume (80 vs 2) and update cadence (every 5 weeks vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Interactive Chess Books is free to download; Chess Opener PRO costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Interactive Chess Books holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Chess Opener PRO has 80 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 76% of Chess Opener PRO's written reviews are positive against 100% of Interactive Chess Books's.

Chess Opener PRO ships an update every 5 weeks, Interactive Chess Books every 4 months. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Chess Opener PRO | Interactive Chess Books |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | [4.4 (80 ratings)](https://appshunter.io/ios/app/chess-opener-pro/id1489282483/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/interactive-chess-books/id1645731412/reviews)** |
| Number of ratings | **80** | 2 |
| Positive reviews | 75.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Paid | **Free** |
| Size | 149 MB | 34 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stanislav Basovnik](https://appshunter.io/developer/1469334974) | [Eric Tangborn](https://appshunter.io/developer/1645731414) |

## What reviewers say

### Chess Opener PRO

[App page](https://appshunter.io/ios/app/chess-opener-pro/id1489282483)

Master chess openings with a comprehensive trainer and explorer. Analyze grandmaster repertoires, build your own opening lines, and memorize variations with interactive training. Works offline with no ads.

**Highlights:** Chess opening tree with statistics, Encyclopedia of Chess Openings (ECO), Grandmaster repertoire database, Stockfish engine analysis, Interactive opening trainer, Build and manage opening repertoire, PGN import/export

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent for learning openings
- 🚀 Fast and responsive
- 💡 Highly customizable repertoires
- 👍 Intuitive and easy to use
- 👍 Great for serious players

**What reviewers complain about**

- 🐛 Crashes quite often
- 🐛 Not intuitive to use
- 🐛 Invalid PGN import
- 🐛 Does not train beyond opening position
- 🐛 Repeats same variation

**Reported bugs**

- Invalid PGN import
- Crashes quite often
- Repeats same variation
- Cannot review lines while training
- App not functioning with iOS 16.7.4

**Requested features**

- Include position setting
- Start study from a later position
- Multiple folders for simultaneous practice
- Option to switch between figure visibility modes (normal, queen pieces, none)
- Blindfold practice option


### Interactive Chess Books

[App page](https://appshunter.io/ios/app/interactive-chess-books/id1645731412)

This app offers interactive lessons, tutorials, and practice exercises to help beginners and intermediate players improve their chess skills. It features a user-friendly interface with clear instructions, helpful tips, and engaging challenges to make learning fun and effective.

**Highlights:** Interactive lessons, Tutorials, Practice exercises, User-friendly interface, Helpful tips and tricks, Engaging challenges and quizzes

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Opener PRO free?

Chess Opener PRO costs $8.99, with no in-app purchases.

### Is Interactive Chess Books free?

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

### Which has better reviews, Chess Opener PRO or Interactive Chess Books?

Interactive Chess Books is rated higher. Chess Opener PRO averages 4.4 out of 5 from 80 ratings, while Interactive Chess Books averages 5.0 from 2 ratings.

### Do Chess Opener PRO or Interactive Chess Books have ads?

Neither Chess Opener PRO nor Interactive Chess Books shows ads.

### Which is updated more often, Chess Opener PRO or Interactive Chess Books?

Chess Opener PRO ships an update every 5 weeks, and Interactive Chess Books every 4 months. Most recently, Chess Opener PRO was updated on October 29, 2026 and Interactive Chess Books on October 7, 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.*