# BookFusion vs csBooks

The clearest difference is ads: BookFusion at none against csBooks's shown. csBooks's advantage is review sentiment (100% vs 76%). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. BookFusion sells 6 in-app purchases, starting at $1.99 per month 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.

Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BookFusion | csBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (523 ratings)](https://appshunter.io/ios/app/bookfusion/id1141834096/reviews)** | — |
| Number of ratings | **523** | — |
| Positive reviews | 76.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | Every 10 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 158 MB | 63 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [BookFusion](https://appshunter.io/developer/1141834095) | [Ravi Kumar Sharma](https://appshunter.io/developer/1695922963) |

## What reviewers say

### BookFusion

[App page](https://appshunter.io/ios/app/bookfusion/id1141834096)

Manage, read, and organize your eBooks across all devices with seamless cloud synchronization. Customize your reading experience with extensive settings, highlight notes, and text-to-speech functionality. Integrates with Calibre and supports various file formats.

**Highlights:** Cross-platform eBook reader and manager, Cloud sync for reading progress and eBooks, Customizable reading experience, Highlighting and annotation tools, Text-to-Speech (TTS) functionality, Calibre integration, Support for EPUB, PDF, CBZ/CBR

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Casual Monthly | $1.99 | per month |
| Advanced Monthly | $4.99 | per month |
| Power Monthly | $9.99 | per month |
| Casual Yearly | $18.99 | per year |
| Advanced Yearly | $47.99 | per year |
| Power Yearly | $95.99 | per year |

**What reviewers like**

- 🚀 Excellent cross-platform sync
- 👍 Highly customizable reading experience
- 🚀 Seamless Calibre integration
- 👍 Responsive and helpful developers
- 🚀 Smooth reading experience

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 💰 Subscription model may be costly for some
- 🔒 Requires account creation to use
- 🐛 Inconsistent page turn behavior
- 🐛 Issues with PDF and fixed-layout EPUB support

**Reported bugs**

- Highlights and notes not always saving properly
- Reading position sometimes resets unexpectedly
- Widget not functioning as expected
- Occasional crashes and freezes
- Issues with importing certain ebook formats

**Requested features**

- Add page numbers instead of just percentages
- Implement a true dark mode
- Improve PDF viewing and annotation capabilities
- Add support for DJVU format
- Provide an option to purchase a lifetime license


### 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 BookFusion free?

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

### Is csBooks free?

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

### Do BookFusion or csBooks have ads?

csBooks shows ads; BookFusion does not.

### Which is updated more often, BookFusion or csBooks?

BookFusion ships an update every 10 days, and csBooks every 10 days. Most recently, BookFusion was updated on November 2, 2026 and csBooks on November 4, 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.*