# Chess Studio vs iCalibre

The clearest difference is price: Chess Studio at Free against iCalibre's $4.99. Chess Studio also leads on review sentiment (60% vs 25%) and update cadence (every 2 months vs every 50 months). iCalibre's advantage is in-app purchases (none vs 23). On ads and device support there is nothing between them.

Chess Studio is free to download; iCalibre costs $4.99 up front. Chess Studio sells 23 one-off in-app purchases. iCalibre asks for nothing beyond the download.

Chess Studio ships an update every 2 months, iCalibre every 50 months. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Chess Studio | iCalibre |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/icalibre/id1480663287/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **60.0% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 50 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 11 MB | 97 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gambit Publications](https://appshunter.io/developer/689948994) | [Harmen Reichert](https://appshunter.io/developer/891277001) |

## 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 |


### iCalibre

[App page](https://appshunter.io/ios/app/icalibre/id1480663287)

Access your Calibre ebook library from any device via iCloud. Search, open, and read books directly within the app, with features like stored queries and cover image viewing. Keep your entire library synchronized across your iPhone, iPad, and PC.

**Highlights:** iCloud library synchronization, Open books directly in reader, Stored queries and autosuggest search, View cover images and descriptions, Search Google for book information, Mark books for easy searching

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Studio free?

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

### Is iCalibre free?

iCalibre costs $4.99, with no in-app purchases.

### Do Chess Studio or iCalibre have ads?

Neither Chess Studio nor iCalibre shows ads.

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

Chess Studio ships an update every 2 months, and iCalibre every 50 months. Most recently, Chess Studio was updated on October 13, 2026 and iCalibre on October 14, 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.*