# KyBook 2 Ebook Reader vs FBReader

The clearest difference is rating: KyBook 2 Ebook Reader at 4.7 against FBReader's 3.7. KyBook 2 Ebook Reader also leads on ratings volume (2.3K vs 128) and review sentiment (68% vs 52%). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. KyBook 2 Ebook Reader sells 2 one-off in-app purchases and FBReader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KyBook 2 Ebook Reader holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: KyBook 2 Ebook Reader has 2.3K ratings behind it against 128, so its average is the more settled of the two. Written reviews point the same way: 68% of KyBook 2 Ebook Reader's written reviews are positive against 52% of FBReader's.

KyBook 2 Ebook Reader ships an update fortnightly, FBReader monthly. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | KyBook 2 Ebook Reader | FBReader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (2.3K ratings)](https://appshunter.io/ios/app/kybook-2-ebook-reader/id1018584176/reviews)** | [3.7 (128 ratings)](https://appshunter.io/ios/app/fbreader-epub-and-fb2-reader/id1067172178/reviews) |
| Number of ratings | **2.3K** | 128 |
| Positive reviews | **67.6% of reviews** | 52.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 22 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 17+ |
| Developer | [Konstantin Bukreev](https://appshunter.io/developer/547576207) | [FBReader.ORG Limited](https://appshunter.io/developer/1067172177) |

## 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


### FBReader

[App page](https://appshunter.io/ios/app/fbreader-epub-and-fb2-reader/id1067172178)

A fast and versatile e-book reader supporting multiple formats like ePub, Kindle, and fb2. It offers cloud syncing for reading progress and a customizable interface. Upgrade to unlock unlimited library access and advanced features.

**Highlights:** Supports ePub, Kindle azw3, fb2, RTF, Word, HTML, and text, ePub3 and Readium LCP DRM support, Cloud syncing of library and reading positions, Customizable appearance and behavior options, Direct opening of downloaded files, Free version with library limits

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FBReader Full Edition | $12.99 | one-time |

**What reviewers like**

- 🚀 Fast and smooth reading experience
- 👍 Simple and intuitive interface
- 💡 Customizable font, margin, and layout options
- 🔒 Secure syncing across devices
- 🎨 Retro background textures

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔧 Lack of advanced organization features (folders, shelves)
- 🚫 No PDF support
- 🔍 Inconsistent search and book discovery
- 🔒 Privacy concerns around data collection

**Reported bugs**

- Syncing issues with Google Drive
- Deletion of books from library
- Formatting problems with large footnotes
- Compatibility issues with newer iOS versions

**Requested features**

- Vertical scrolling mode
- Improved bookmark and annotation tools
- Ability to add/change book covers
- Text-to-speech functionality
- Better library management (read/unread, collections)


## Frequently asked questions

### Is KyBook 2 Ebook Reader free?

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

### Is FBReader free?

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

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

KyBook 2 Ebook Reader is rated higher. KyBook 2 Ebook Reader averages 4.7 out of 5 from 2.3K ratings, while FBReader averages 3.7 from 128 ratings.

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

Neither KyBook 2 Ebook Reader nor FBReader shows ads.

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

KyBook 2 Ebook Reader ships an update fortnightly, and FBReader monthly. Most recently, KyBook 2 Ebook Reader was updated on September 26, 2026 and FBReader on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*