# KyBook 2 Ebook Reader vs eBoox

The clearest difference is in-app purchases: eBoox at none against KyBook 2 Ebook Reader's 2. eBoox also leads on review sentiment (88% vs 68%) and chart position (#197 vs unranked). KyBook 2 Ebook Reader's advantage is update cadence (fortnightly vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. KyBook 2 Ebook Reader sells 2 one-off in-app purchases. eBoox asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for KyBook 2 Ebook Reader against 4.8 for eBoox. Both are backed by a comparable volume of ratings — 2.4K and 3.8K respectively. Written reviews are what separate them: 68% of KyBook 2 Ebook Reader's written reviews are positive against 88% of eBoox's.

KyBook 2 Ebook Reader ships an update fortnightly, eBoox monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | KyBook 2 Ebook Reader | eBoox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (2.4K ratings)](https://appshunter.io/ios/app/kybook-2-ebook-reader/id1018584176/reviews) | **[4.8 (3.8K ratings)](https://appshunter.io/ios/app/eboox-fb2-epub-book-reader/id1489172068/reviews)** |
| Number of ratings | 2.4K | **3.8K** |
| Positive reviews | 67.7% of reviews | **88.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#197** |
| Size | 51 MB | 177 MB |
| Requires iOS | **8.1** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Konstantin Bukreev](https://appshunter.io/developer/547576207) | [REDIT, OOO](https://appshunter.io/developer/1527115266) |

## 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


### eBoox

[App page](https://appshunter.io/ios/app/eboox-fb2-epub-book-reader/id1489172068)

**Currently charting:** #197 Top Free · Book (US App Store)

This application provides a comfortable and customizable reading experience for a wide variety of e-book formats. It offers features like bookmarks, highlights, dark mode, and offline reading, with seamless online synchronization. Books can be easily uploaded from various sources, including cloud storage and email.

**Highlights:** Supports EPUB, MOBI, FB2, DOC, TXT, and more, Customizable fonts, text size, and brightness, Dark mode and offline reading, Bookmarks, highlights, and notes, Online auto-sync of books and progress, AD-FREE reading experience

**In-app purchases:** none

**What reviewers like**

- 🚀 Smooth and fast reading experience
- 👍 Clean and intuitive interface
- 🔒 No ads or in-app purchases
- 💡 Ability to customize fonts and themes
- 🚀 Seamless syncing across devices

**What reviewers complain about**

- 🐛 Occasional issues with highlighting and annotations
- 🔧 Limited font and customization options
- 🔧 Lack of built-in dictionary or translation features
- 🔧 Difficulty importing books from local storage
- 🔧 Inconsistent page numbering and progress display

**Reported bugs**

- Highlighting and annotations sometimes behave unexpectedly
- Syncing between devices can be unreliable at times
- Occasional crashes or freezes when navigating the app

**Requested features**

- Add more font options, including bold and italic
- Implement a built-in dictionary or translation tool
- Allow direct import of books from local device storage
- Improve page numbering and reading progress display
- Add support for PDF files and annotations


## Frequently asked questions

### Is KyBook 2 Ebook Reader free?

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

### Is eBoox free?

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

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

eBoox is rated higher. KyBook 2 Ebook Reader averages 4.7 out of 5 from 2.4K ratings, while eBoox averages 4.8 from 3.8K ratings.

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

Neither KyBook 2 Ebook Reader nor eBoox shows ads.

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

KyBook 2 Ebook Reader ships an update fortnightly, and eBoox monthly. Most recently, KyBook 2 Ebook Reader was updated on October 24, 2026 and eBoox on October 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.*