# A FB2 Reader vs KyBook 2 Ebook Reader

The clearest difference is rating: KyBook 2 Ebook Reader at 4.7 against A FB2 Reader's 3.4. KyBook 2 Ebook Reader also leads on ratings volume (2.3K vs 5). A FB2 Reader's advantage is in-app purchases (none vs 2). On price, review sentiment, 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. A FB2 Reader asks for nothing beyond the download.

KyBook 2 Ebook Reader holds the better App Store score, 4.7 against 3.4. That said, the two scores are not equally well evidenced: KyBook 2 Ebook Reader has 2.3K ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 68% positive.

A FB2 Reader ships an update every 2 weeks, KyBook 2 Ebook Reader fortnightly. Both last shipped on October 17, 2026.

## The numbers

| Metric | A FB2 Reader | KyBook 2 Ebook Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/a-fb2-reader/id964428346/reviews) | **[4.7 (2.3K ratings)](https://appshunter.io/ios/app/kybook-2-ebook-reader/id1018584176/reviews)** |
| Number of ratings | 5 | **2.3K** |
| Positive reviews | 67.1% of reviews | **67.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 51 MB |
| Requires iOS | 9.0 | **8.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yuri Staloverov](https://appshunter.io/developer/845277613) | [Konstantin Bukreev](https://appshunter.io/developer/547576207) |

## What reviewers say

### A FB2 Reader

[App page](https://appshunter.io/ios/app/a-fb2-reader/id964428346)

This free application allows you to read your favorite FB2 format ebooks on your iPad and iPhone. Easily import books from various sources, customize your reading experience with adjustable fonts and color schemes, and navigate your library with ease.

**Highlights:** Read FB2 ebooks, Import from web, iTunes, and cloud drives, Adjustable fonts, spacing, and width, Three color schemes, Easy navigation and page turning, Sort books by various criteria, Book image gallery

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is A FB2 Reader free?

A FB2 Reader is free to download, with no in-app purchases.

### Is KyBook 2 Ebook Reader free?

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

### Which has better reviews, A FB2 Reader or KyBook 2 Ebook Reader?

KyBook 2 Ebook Reader is rated higher. A FB2 Reader averages 3.4 out of 5 from 5 ratings, while KyBook 2 Ebook Reader averages 4.7 from 2.3K ratings.

### Do A FB2 Reader or KyBook 2 Ebook Reader have ads?

Neither A FB2 Reader nor KyBook 2 Ebook Reader shows ads.

### Which is updated more often, A FB2 Reader or KyBook 2 Ebook Reader?

A FB2 Reader ships an update every 2 weeks, and KyBook 2 Ebook Reader fortnightly. Most recently, A FB2 Reader was updated on October 17, 2026 and KyBook 2 Ebook Reader on October 17, 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.*