# Chess Studio vs eBoox

The clearest difference is in-app purchases: eBoox at none against Chess Studio's 23. eBoox also leads on review sentiment (88% vs 60%) and chart position (#196 vs unranked). On price, update cadence, ads and device support there is nothing between them.

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

Chess Studio ships an update every 2 months, eBoox monthly. The most recent releases landed on September 9, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Chess Studio | eBoox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (3.5K ratings)](https://appshunter.io/ios/app/eboox-fb2-epub-book-reader/id1489172068/reviews)** |
| Number of ratings | — | **3.5K** |
| Positive reviews | 60.0% of reviews | **88.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#196** |
| Size | 11 MB | 177 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gambit Publications](https://appshunter.io/developer/689948994) | [REDIT, OOO](https://appshunter.io/developer/1527115266) |

## What reviewers say

### Chess Studio

[App page](https://appshunter.io/ios/app/chess-studio/id689948991)

Read chess books and instantly play through moves on screen. This app allows you to interact with chess e-books, automatically scrolling text and displaying positions on a board. Navigate variations, search content, and customize your reading experience.

**Highlights:** Play over moves on screen, Automatic text scrolling, Tap moves to display position, Navigate complex variations, Searchable content, Choice of layout options

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

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gambit Free Samples | Free | one-time |
| How to Beat Your Dad at Chess | $9.99 | one-time |
| Win with the Stonewall Dutch | $9.99 | one-time |
| 50 Essential Chess Lessons | $10.99 | one-time |
| Idiot-Proof Chess Repertoire | $10.99 | one-time |
| Win with the London System | $11.99 | one-time |
| Learn Chess Tactics | $11.99 | one-time |
| Understanding the Chess Openings | $11.99 | one-time |
| A Simple Chess Opening Repertoire for White | $11.99 | one-time |
| Understanding Chess Endgames | $13.99 | one-time |
| Understanding Chess Middlegames | $13.99 | one-time |
| Understanding Chess Move by Move | $13.99 | one-time |
| Secrets of Modern Chess Strategy | $13.99 | one-time |
| Mastering the Chess Openings Volume 1 | $13.99 | one-time |
| Mastering the Chess Openings Volume 2 | $13.99 | one-time |
| A Strategic Chess Opening Repertoire for White | $14.99 | one-time |
| John Nunn's Chess Course | $14.99 | one-time |
| Fundamental Chess Openings | $14.99 | one-time |
| Fundamental Chess Endings | $14.99 | one-time |
| How to Play Chess Endgames | $14.99 | one-time |
| Nunn's Chess Endings Volume 1 | $14.99 | one-time |
| Nunn's Chess Endings Volume 2 | $14.99 | one-time |
| Mammoth Book of Greatest Games | $14.99 | one-time |


### eBoox

[App page](https://appshunter.io/ios/app/eboox-fb2-epub-book-reader/id1489172068)

**Currently charting:** #196 Top Free · Book (US App Store)

This application provides a comfortable and customizable reading experience for a wide variety of e-book formats. It offers features like bookmarks, highlights, dark mode, and offline reading, with seamless online synchronization. Books can be easily uploaded from various sources, including cloud storage and email.

**Highlights:** Supports EPUB, MOBI, FB2, DOC, TXT, and more, Customizable fonts, text size, and brightness, Dark mode and offline reading, Bookmarks, highlights, and notes, Online auto-sync of books and progress, AD-FREE reading experience

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and fast reading experience
- 👍 Clean and intuitive interface
- 🔒 No ads or in-app purchases
- 💡 Ability to customize fonts and themes
- 🚀 Seamless syncing across devices

**What reviewers complain about**

- 🐛 Occasional issues with highlighting and annotations
- 🔧 Limited font and customization options
- 🔧 Lack of built-in dictionary or translation features
- 🔧 Difficulty importing books from local storage
- 🔧 Inconsistent page numbering and progress display

**Reported bugs**

- Highlighting and annotations sometimes behave unexpectedly
- Syncing between devices can be unreliable at times
- Occasional crashes or freezes when navigating the app

**Requested features**

- Add more font options, including bold and italic
- Implement a built-in dictionary or translation tool
- Allow direct import of books from local device storage
- Improve page numbering and reading progress display
- Add support for PDF files and annotations


## Frequently asked questions

### Is Chess Studio free?

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

### Is eBoox free?

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

### Do Chess Studio or eBoox have ads?

Neither Chess Studio nor eBoox shows ads.

### Which is updated more often, Chess Studio or eBoox?

Chess Studio ships an update every 2 months, and eBoox monthly. Most recently, Chess Studio was updated on September 9, 2026 and eBoox on September 25, 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.*