# Yomu EBook Reader vs csBooks

The clearest difference is ads: Yomu EBook Reader at none against csBooks's shown. csBooks's advantage is review sentiment (100% vs 80%) and update cadence (every 10 days vs monthly). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Yomu EBook Reader sells 2 one-off in-app purchases and csBooks sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Yomu EBook Reader ships an update monthly, csBooks every 10 days. The most recent releases landed on November 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Yomu EBook Reader | csBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.6K ratings)](https://appshunter.io/ios/app/yomu-ebook-reader/id562211012/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 80.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 63 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beat Raess](https://appshunter.io/developer/381075846) | [Ravi Kumar Sharma](https://appshunter.io/developer/1695922963) |

## What reviewers say

### Yomu EBook Reader

[App page](https://appshunter.io/ios/app/yomu-ebook-reader/id562211012)

An independent ebook reader designed for distraction-free reading with customizable styles and layouts. Supports a wide range of formats and offers robust library management features. Cloud synchronization is available for pro users.

**Highlights:** Customizable reading styles and themes, Supports EPUB, MOBI, Kindle, CBZ, CBR, PDF, Dynamic text and margin adjustment, Library organization with folders and tags, Cloud synchronization for books and annotations (Pro), Text highlighting and note-taking, Widgets for quick access to books and quotes

**Features:** Family Sharing, Siri integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yomu Pro | $7.99 | one-time |
| Yomu Pro (Karma) | $12.99 | one-time |

**What reviewers like**

- 🚀 Customizable reading experience
- 📚 Supports wide range of file formats
- 💻 Seamless sync across devices
- 🔒 No DRM or subscription issues
- 🗂️ Effective organization with folders and tags

**What reviewers complain about**

- 🐛 Occasional bugs with highlighting and page turning
- 🔍 Limited search functionality
- 📚 Lack of nested folders for better organization
- 🔧 Some customization options could be improved
- 🖼️ Thumbnails/cover art could be larger

**Reported bugs**

- Occasional crashes or freezes
- Inconsistent behavior when swiping to turn pages
- Syncing issues between devices
- Formatting problems with certain ebook files

**Requested features**

- Add support for text-to-speech
- Improve PDF handling with annotation and text selection
- Implement nested folder structure for better organization
- Expand font and theme customization options
- Introduce a continuous scrolling mode


### csBooks

[App page](https://appshunter.io/ios/app/csbooks-epub-and-pdf-reader/id6477337382)

This app allows users to read and manage ePub and PDF books from their device. It offers features like automatic thumbnail generation, reading progress tracking, customizable text size, and multiple themes for a comfortable reading experience.

**Highlights:** Read ePub and PDF files, Manage book library, Auto book thumbnail generation, Reading progress tracking, Customizable text size and font, 8 stylish reading themes, Cloud storage and desktop sync

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Pro (Monthly) | $6.99 | per month |
| Unlimited Pro (Yearly) | $22.99 | per year |


## Frequently asked questions

### Is Yomu EBook Reader free?

Yomu EBook Reader is free to download, with in-app purchases available.

### Is csBooks free?

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

### Do Yomu EBook Reader or csBooks have ads?

csBooks shows ads; Yomu EBook Reader does not.

### Which is updated more often, Yomu EBook Reader or csBooks?

Yomu EBook Reader ships an update monthly, and csBooks every 10 days. Most recently, Yomu EBook Reader was updated on November 1, 2026 and csBooks on October 12, 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.*