# FBReader vs Библиотека ЦС

The clearest difference is review sentiment: Библиотека ЦС at 100% against FBReader's 52%. Библиотека ЦС also leads on rating (5.0 vs 3.7) and in-app purchases (none vs 2). FBReader's advantage is update cadence (monthly vs every 16 months) and ratings volume (128 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. FBReader sells 1 one-off in-app purchase. Библиотека ЦС asks for nothing beyond the download.

Библиотека ЦС holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: FBReader has 128 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 52% of FBReader's written reviews are positive against 100% of Библиотека ЦС's.

FBReader ships an update monthly, Библиотека ЦС every 16 months. The most recent releases landed on October 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | FBReader | Библиотека ЦС |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (128 ratings)](https://appshunter.io/ios/app/fbreader-epub-and-fb2-reader/id1067172178/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1558341708/reviews)** |
| Number of ratings | **128** | 2 |
| Positive reviews | 52.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 16 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 29 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [FBReader.ORG Limited](https://appshunter.io/developer/1067172177) | [Olexandr Klyuchka](https://appshunter.io/developer/1526127226) |

## What reviewers say

### 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)


### Библиотека ЦС

[App page](https://appshunter.io/ios/app/id1558341708)

Access and read church Slavonic texts offline. This app features an improved interface with simplified navigation, a table of contents, and viewing history. Create bookmarks and enjoy a growing library of books.

**Highlights:** Offline reading of church Slavonic texts, Improved user interface, Simplified navigation, Table of contents, Viewing history, Bookmark creation, Growing book library

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

**In-app purchases:** none


## Frequently asked questions

### Is FBReader free?

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

### Is Библиотека ЦС free?

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

### Which has better reviews, FBReader or Библиотека ЦС?

Библиотека ЦС is rated higher. FBReader averages 3.7 out of 5 from 128 ratings, while Библиотека ЦС averages 5.0 from 2 ratings.

### Do FBReader or Библиотека ЦС have ads?

Neither FBReader nor Библиотека ЦС shows ads.

### Which is updated more often, FBReader or Библиотека ЦС?

FBReader ships an update monthly, and Библиотека ЦС every 16 months. Most recently, FBReader was updated on October 18, 2026 and Библиотека ЦС on September 22, 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.*