# Book2Board vs ChessFan

The clearest difference is price: ChessFan at Free against Book2Board's $1.99. ChessFan also leads on update cadence (every 4 days vs every 3 months) and iOS requirement (15.0 vs 26.0). Book2Board's advantage is in-app purchases (none vs 6). On ads and device support there is nothing between them.

ChessFan is free to download; Book2Board costs $1.99 up front. ChessFan sells 6 in-app purchases, starting at $3.99 per month. Book2Board asks for nothing beyond the download.

Book2Board ships an update every 3 months, ChessFan every 4 days. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Book2Board | ChessFan |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 89 MB | 125 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rhinolabs Agency LLC](https://appshunter.io/developer/1860987245) | [丽娟 刘](https://appshunter.io/developer/979088935) |

## What reviewers say

### Book2Board

[App page](https://appshunter.io/ios/app/book2board-chess-book-study/id6756503877)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChessFan

[App page](https://appshunter.io/ios/app/chessfan-notation-and-pdf/id6761381966)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $3.99 | per month |
| Pro Monthly | $4.99 | per month |
| Coach Monthly | $5.99 | per month |
| Basic Yearly | $39.99 | per year |
| Pro Yearly | $49.99 | per year |
| Coach Yearly | $59.99 | per year |


## Frequently asked questions

### Is Book2Board free?

Book2Board costs $1.99, with no in-app purchases.

### Is ChessFan free?

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

### Do Book2Board or ChessFan have ads?

Neither Book2Board nor ChessFan shows ads.

### Which is updated more often, Book2Board or ChessFan?

Book2Board ships an update every 3 months, and ChessFan every 4 days. Most recently, Book2Board was updated on November 5, 2026 and ChessFan on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*