# Chess Knowledge vs BookMoves

Chess Knowledge and BookMoves are too close to call on the numbers: across 5 compared parameters — price, update cadence, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Chess Knowledge ships an update monthly, BookMoves every 3 weeks. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Chess Knowledge | BookMoves |
| --- | --- | --- |
| 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 | No |
| Ads | — | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 86 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chess Knowledge FZE](https://appshunter.io/developer/1628767249) | [Regulus Team s.r.o.](https://appshunter.io/developer/1563166617) |

## What reviewers say

### Chess Knowledge

[App page](https://appshunter.io/ios/app/chess-knowledge/id1628767247)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Chess Knowledge free?

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

### Is BookMoves free?

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

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

Chess Knowledge ships an update monthly, and BookMoves every 3 weeks. Most recently, Chess Knowledge was updated on October 27, 2026 and BookMoves on October 20, 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.*