FBReader vs Ozone e
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FBReader
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.
- 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
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FBReader is a fast and easy-to-use e-book reader for iPhone and iPad. It supports all major e-book formats, including ePub (with key ePub3 features), Kindle azw3, and fb2 (.zip). You can open both unprotected books and ePub files protected with Readium LCP DRM. FBReader also reads RTF, Word (.doc), HTML, and plain text, so you can keep all your books and documents in one place. Read anywhere and pick up right where you left off. FBReader can sync your library, reading positions, bookmarks, and more across devices using the FBReader Book Network, a cloud service powered by Google Drive. If you prefer managing files yourself, you can download books in your browser and open them directly with FBReader. A wide range of appearance and behavior options lets you customize the reading experience to match your preferences. Free version and upgrade options: • The free version allows up to 10 books in your library. • The built-in translation feature is disabled. Upgrade to the full version to remove these limits and enjoy the complete FBReader experience.
Ozone e
Access a vast library of Bulgarian books, both new and classic, directly on your device. Discover personalized recommendations and enjoy a free collection of titles. Organize your library with flexible filtering options.
- Thousands of Bulgarian books
- Download books to app
- Free library access
- Filter by genre and author
- Personalized content recommendations
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Ozone е-книги - вземи любимите си книги навсякъде с теб. Харесай, избери и бързо, и лесно свали в приложението нови и класически книги на български език. Приложението Ozone e-книги ти дава достъп и до свободна библиотека с десетки безплатни издания. Филтрирай и подреди книгите в приложението така, както ти харесва – по жанр, по автор или по име. Избирай по-лесно от специални предложения за съдържание, съобразени с твоите интереси и предпочитания.
Screenshots
Verdict
The clearest difference is in-app purchases: Ozone e at none against FBReader's 2. FBReader's advantage is ads (none vs shown) and review sentiment (52% vs 20%). On price, update cadence, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. FBReader sells 1 one-off in-app purchase. Ozone e asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.
| Parameter | FBReader | Ozone e |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (128 ratings) — better | — |
| Positive reviews | 52.5% of reviews — better | 20.0% of reviews |
| Number of ratings | 128 — better | — |
| Update frequency | Monthly | Monthly |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 22 MB | 51 MB |
| Age rating | 17+ | 4+ |
| Developer | FBReader.ORG Limited | Ozone Entertainment AD |
Customer experience
FBReader
Ozone e
Bugs and requests
FBReader
Reported bugs
4 issues- Syncing issues with Google Drive
- Deletion of books from library
- Formatting problems with large footnotes
- Compatibility issues with newer iOS versions
Requested features
5 requests- Vertical scrolling mode
- Improved bookmark and annotation tools
- Ability to add/change book covers
- Text-to-speech functionality
- Better library management (read/unread, collections)
Ozone e
Not enough reviews yet to summarise bugs or requests.
In-app purchases
FBReader
- FBReader Full Edition2 variants$12.99
Ozone e
No in-app purchases
