# KyBook 2 Ebook Reader vs BookFusion

KyBook 2 Ebook Reader and BookFusion both sit at 4.7 stars, but that hides the real split: 76% of BookFusion's written reviews are positive against 68% of KyBook 2 Ebook Reader's. KyBook 2 Ebook Reader's advantage is ratings volume (2.4K vs 521) and iOS requirement (8.1 vs 15.1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. KyBook 2 Ebook Reader sells 2 one-off in-app purchases and BookFusion sells 6 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for KyBook 2 Ebook Reader against 4.7 for BookFusion. Both are backed by a comparable volume of ratings — 2.4K and 521 respectively. Written reviews are what separate them: 68% of KyBook 2 Ebook Reader's written reviews are positive against 76% of BookFusion's.

KyBook 2 Ebook Reader ships an update fortnightly, BookFusion every 10 days. Both last shipped on October 26, 2026.

## The numbers

| Metric | KyBook 2 Ebook Reader | BookFusion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.4K ratings)](https://appshunter.io/ios/app/kybook-2-ebook-reader/id1018584176/reviews)** | [4.7 (521 ratings)](https://appshunter.io/ios/app/bookfusion/id1141834096/reviews) |
| Number of ratings | **2.4K** | 521 |
| Positive reviews | 67.7% of reviews | **76.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 158 MB |
| Requires iOS | **8.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Konstantin Bukreev](https://appshunter.io/developer/547576207) | [BookFusion](https://appshunter.io/developer/1141834095) |

## What reviewers say

### KyBook 2 Ebook Reader

[App page](https://appshunter.io/ios/app/kybook-2-ebook-reader/id1018584176)

This app is a versatile e-book reader that supports a wide range of formats including EPUB, MOBI, and PDF. It offers extensive customization for reading modes, cloud storage integration, and text-to-speech capabilities for audiobooks.

**Highlights:** Supports EPUB, MOBI, PDF, DJVU, and more, OPDS catalog and cloud storage integration, Customizable reading modes (font, theme, size), Text-to-speech for e-books and audiobooks, Book cataloging and organization, Speed reading and text summarization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro Version | $1.99 | one-time |
| Upgrade to Pro Version | $2.99 | one-time |

**What reviewers like**

- 👍 Stable and solid
- 👍 Customizable reading experience
- 👍 Excellent reading app
- 👍 Great for reading PDFs and ebooks
- 👍 Syncs across devices

**What reviewers complain about**

- 🐛 Bugs and crashes
- 💰 Aggressive push for paid upgrades
- 🔍 Confusing navigation and UI
- 📢 Intrusive ads
- 🔒 Clipboard access concerns

**Reported bugs**

- Books not loading properly
- Restore purchases not working
- Sync issues with cloud services
- Unexpected behavior after updates

**Requested features**

- Ability to edit color themes
- Organize books into folders
- Annotation and note-taking features
- Resume reading from last page
- Goodreads integration


### BookFusion

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

Manage, read, and organize your entire eBook collection across all devices with cloud synchronization. Customize your reading experience with extensive settings, highlights, and annotations. Supports various formats and offers text-to-speech functionality.

**Highlights:** Cross-platform eBook reader, Cloud synchronization, Organize with virtual bookshelves, Highlights and annotations, Text-to-Speech (TTS), Send to Kindle, Calibre integration

**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


## Frequently asked questions

### Is KyBook 2 Ebook Reader free?

KyBook 2 Ebook Reader is free to download, with in-app purchases available.

### Is BookFusion free?

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

### Which has better reviews, KyBook 2 Ebook Reader or BookFusion?

KyBook 2 Ebook Reader is rated higher. KyBook 2 Ebook Reader averages 4.7 out of 5 from 2.4K ratings, while BookFusion averages 4.7 from 521 ratings.

### Do KyBook 2 Ebook Reader or BookFusion have ads?

Neither KyBook 2 Ebook Reader nor BookFusion shows ads.

### Which is updated more often, KyBook 2 Ebook Reader or BookFusion?

KyBook 2 Ebook Reader ships an update fortnightly, and BookFusion every 10 days. Most recently, KyBook 2 Ebook Reader was updated on October 26, 2026 and BookFusion on October 26, 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.*