# BookMoves vs Chess Combinations

The clearest difference is in-app purchases: BookMoves at none against Chess Combinations's 23. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chess Combinations sells 23 one-off in-app purchases. BookMoves asks for nothing beyond the download.

BookMoves ships an update every 3 weeks, Chess Combinations every 2 weeks. The most recent releases landed on June 4, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | BookMoves | Chess Combinations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/bookmoves/id6469711333/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 70 MB | 40 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Regulus Team s.r.o.](https://appshunter.io/developer/1563166617) | [Maksim Kolosov](https://appshunter.io/developer/1570015397) |

## What reviewers say

### BookMoves

[App page](https://appshunter.io/ios/app/bookmoves/id6469711333)

Master chess openings with a unique blend of theory, computer science, and spaced repetition. Memorize hundreds of variants for both sides and transition from rote learning to intuitive application. Overcome the forgetting curve with an innovative technique for lasting mastery.

**Highlights:** Chess opening theory, Spaced repetition learning, Hundreds of chess variants, Statistical probabilities, Integrated scoring system, Algorithmic improvement

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess Combinations

[App page](https://appshunter.io/ios/app/chess-combinations/id6504554035)

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knight forks | $1.99 | one-time |
| Sacrifice on e6 | $3.99 | one-time |
| Scandinavian Defense (white) | $4.99 | one-time |
| Italian Opening, black pieces | $4.99 | one-time |
| Queen Sacrifice | $4.99 | one-time |
| Caro-Kann (white pieces) | $4.99 | one-time |
| Sicilian Defense (Dragon) | $5.99 | one-time |
| Sicilian Defense (Najdorf) | $5.99 | one-time |
| Italian Opening, white pieces | $5.99 | one-time |
| Scandinavian Defense | $5.99 | one-time |
| Classic Caro-Kann | $5.99 | one-time |
| Sicilian Defense (Paulsen) | $5.99 | one-time |
| Sicilian Defense, white pieces | $5.99 | one-time |
| Scottish Gambit | $5.99 | one-time |
| Budapest Gambit | $6.99 | one-time |
| Grob's Attack | $6.99 | one-time |
| Slav Defense | $6.99 | one-time |
| Ruy Lopez Opening | $6.99 | one-time |
| London System | $6.99 | one-time |
| King's Indian defense | $6.99 | one-time |
| Queen's Gambit, black pieces | $6.99 | one-time |
| Catalan Opening | $7.99 | one-time |
| King's Gambit | $8.99 | one-time |


## Frequently asked questions

### Is BookMoves free?

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

### Is Chess Combinations free?

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

### Do BookMoves or Chess Combinations have ads?

Neither BookMoves nor Chess Combinations shows ads.

### Which is updated more often, BookMoves or Chess Combinations?

BookMoves ships an update every 3 weeks, and Chess Combinations every 2 weeks. Most recently, BookMoves was updated on June 4, 2026 and Chess Combinations on September 9, 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.*