# Chess Studio vs ReadEra

The clearest difference is in-app purchases: ReadEra at none against Chess Studio's 23. ReadEra also leads on chart position (#115 vs unranked). Chess Studio's advantage is iOS requirement (9.0 vs 15.0). On price, review sentiment, update cadence and ads there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Chess Studio | ReadEra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (231 ratings)](https://appshunter.io/ios/app/readera-book-reader-pdf-epub/id1669188337/reviews)** |
| Number of ratings | — | **231** |
| Positive reviews | 60.0% of reviews | **60.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#115** |
| Size | 11 MB | 62 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gambit Publications](https://appshunter.io/developer/689948994) | [READERA EOOD](https://appshunter.io/developer/1667303380) |

## 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 |


### ReadEra

[App page](https://appshunter.io/ios/app/readera-book-reader-pdf-epub/id1669188337)

**Currently charting:** #115 Top Free · Book (US App Store)

This app allows you to read and listen to books and documents in various formats, including PDF and EPUB. It offers text-to-speech functionality, customizable reading settings, and a built-in book manager for your library. Enjoy an ad-free and registration-free reading experience.

**Highlights:** Multi-format ebook support (EPUB, PDF, MOBI, DOCX, etc.), Text-to-Speech (TTS) for listening to books, Ad-free and registration-free experience, Offline reading capabilities, Book manager with grouping and sorting, Customizable reading settings (themes, fonts, margins)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Privacy-respecting
- 👍 Customizable reading experience
- 👍 Offline functionality
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Occasional performance issues
- 🔋 High battery consumption
- 👎 Missing key features from Android version
- 👎 Lack of organization tools (collections, folders)
- 👎 No text-to-speech or annotation features

**Reported bugs**

- Unexpected page jumps or scrolling issues
- Compatibility problems with certain file formats
- Inconsistent behavior when minimizing or locking the screen

**Requested features**

- Add text-to-speech functionality
- Implement highlighting, annotation, and lookup features
- Introduce cloud sync and cross-device syncing
- Expand font and theme options
- Add search within documents


## Frequently asked questions

### Is Chess Studio free?

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

### Is ReadEra free?

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

### Do Chess Studio or ReadEra have ads?

Neither Chess Studio nor ReadEra shows ads.

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

Chess Studio ships an update every 2 months, and ReadEra every 2 months. Most recently, Chess Studio was updated on September 9, 2026 and ReadEra on September 24, 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.*