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SPECIFICTION
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FBReader

fbreader.org

Free plan WindowsmacOSLinuxiOSAndroid
Visit fbreader.org
Spec score 8.7 #4 of 24 in File Reader Software

What it is

FBReader is an ebook reader for Windows, macOS, Linux, Android, and iOS. It opens formats including ePub, fb2, mobi, HTML, RTF, and plain text, as well as ePub books protected with Readium LCP. Its Book Network can synchronize collections, reading positions, bookmarks, and custom shelves across supported devices. Books in the network are stored in the user's Google Drive space, while metadata, covers, and reading positions are stored on FBReader servers.

Online OPDS book catalogues are supported on Android, Windows, macOS, and Linux; iOS support is planned. Android Premium adds PDF and comics support, Google and DeepL translation integration, and automatic reading aloud. The free iOS version is limited to ten books and disables online translators. FBReader offers free plans for desktop, Android, and iOS; Android Premium is $14.99 as a one-time purchase. The company says its current code is closed source.

Spec sheet

Product
FBReader is an ebook reader for desktop and mobile devices.Read 4 Oct 2026 · fbreader.org
Support
The maker directs users to its FAQ and public Telegram group for online support.Read 4 Oct 2026 · fbreader.org
Company
FBReader.ORG Limited develops and supports FBReader and was founded in the United Kingdom in 2013.Read 4 Oct 2026 · fbreader.org
Android file access
On Android 10 and later, FBReader 3.8 and newer uses Android's Storage Access Framework, which restricts folder access and can slow file operations.Read 4 Oct 2026 · fbreader.org
Catalogues
On Android, Windows, macOS, and Linux, FBReader supports online book catalogues using OPDS; iOS OPDS support is planned.Read 4 Oct 2026 · fbreader.org
Cloud storage
Books in the Book Network are stored in the user's Google Drive space, while metadata, covers, and reading positions are stored on FBReader servers.Read 4 Oct 2026 · books.fbreader.org
Cloud sync
The FBReader Book Network synchronizes book collections, reading positions, bookmarks, and custom shelves across supported devices.Read 4 Oct 2026 · books.fbreader.org
Developer SDK
FBReader offers a binary SDK for Android and iOS that includes a text format rendering engine but no PDF renderer.Read 4 Oct 2026 · sdk.fbreader.org
DRM
FBReader opens ePub books protected with Readium LCP.Read 4 Oct 2026 · fbreader.org
Formats
It supports formats including ePub, fb2, mobi, HTML, RTF, and plain text.Read 4 Oct 2026 · fbreader.org
Google Drive access
FBReader says its Book Network requests permission to upload new files and access files it created, and cannot access other Google Drive content.Read 4 Oct 2026 · books.fbreader.org
iOS limits
The free iOS version is limited to ten books and disables online translators, and iOS does not currently support third-party network catalogues.Read 4 Oct 2026 · fbreader.org
Open source
FBReader says its current code is closed source and is no longer open source.Read 4 Oct 2026 · fbreader.org
Premium features
Android Premium adds PDF and comics support, Google and DeepL translation integration, and automatic reading aloud.Read 4 Oct 2026 · fbreader.org

Plans and prices

FBReader for iOS Free Free · In‑App Purchases Free version limited to ten books; online translation disabled; full version is a one-time fee Read 4 Oct 2026 · apps.apple.com
FBReader for Windows/macOS/Linux Free Free of charge Desktop reader; supported features and formats vary by platform Read 4 Oct 2026 · fbreader.org
FBReader Free for Android Free Free Some features require Premium or separate plugins Read 4 Oct 2026 · fbreader.org
FBReader Premium for Android $14.99, paid once $14.99 Buy One-time purchase; Premium features; purchase tied to Google Play or Huawei account Read 4 Oct 2026 · play.google.com

Every FBReader plan and price →

Strong points and limits

Strong points

  • Available on five desktop and mobile platforms.
  • Opens ePub, fb2, mobi, HTML, RTF, and plain text.
  • Book Network syncs reading positions and bookmarks.
  • Android Premium adds PDF and comics support.

Limits

  • Free iOS version is limited to ten books.
  • iOS disables online translators in its free version.
  • iOS OPDS support is only planned.
  • Current code is closed source.

Who it suits

FBReader suits readers who want an ebook app across desktop and mobile platforms, with format support and synchronized reading details. Android users seeking PDF, comics, translation, or read-aloud features can consider Premium.

Verdict

FBReader covers common ebook formats and can synchronize reading details through its Book Network. Feature availability varies by platform, and iOS has specific limits in the free version.

Where Specifiction places it

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