FBReader: Favorite Book Reader Icon

Download FBReader: Favorite Book Reader APK 3.8.18 Universal · Android 21+

By FBReader.ORG Limited • Updated April 24, 2026
Books & Reference Universal Native (Java/Kotlin) 19.91 MB
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This is the universal build of FBReader: Favorite Book Reader 3.8.18. It contains native libraries for every CPU architecture (arm64-v8a, armeabi-v7a, x86, x86_64), so it installs on any Android device. The trade-off is size — it's larger than per-architecture variants. Pick this one if you're unsure which CPU your phone has, or if you plan to share the APK with multiple devices.

File size: 19.9 MB   •   Min Android: 21   •   Target Android: 35   •   Version code: 30801800   •   Framework: Native (Java/Kotlin)   •   Permissions: 12

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File Information

Package Nameorg.geometerplus.zlibrary.ui.android
Version Name3.8.18
Version Code30801800
ArchitectureUniversal
Min Android VersionAndroid 21 (API 35)
Main Activityorg.geometerplus.android.fbreader.FBReader
FrameworkNative (Java/Kotlin)
File Size19.91 MB
Signature (SHA1)2A2B47B1F3A78BBCFF11909D7081CBE65B687EEE
File Hash (SHA256)4d572edbdfb0e3b2fd19f8b574f1472f4ba34bb15b2cd59653334f7686b4adde

What's New

* Fixed handling of the “Unknown Author” section in the classic library view

App Description

A free ebook reader.

FBReader opens DRM-free ebooks and ebooks protected with Readium LCP.

The primary ebook formats supported in FBReader are ePub (including the main features of ePub3), PDF, Kindle azw3 (mobipocket), and fb2(.zip). Other supported formats include comic books (CBZ/CBR), RTF, doc (MS Word), HTML, and plain text.

To assist reading in a foreign language, use FBReader's dictionary integration to look up words or phrases. You can choose from a wide selection of external dictionaries.

FBReader supports sync of your library and reading positions with the FBReader book network (

books.fbreader.org/

), a Google Drive™ based cloud service. The synchronization is off by default; to enable and configure it, use the preferences dialogue.

FBReader is fast and highly customizable. It can use external TrueType/OpenType fonts and custom backgrounds, adjust the screen brightness while reading (slide your finger up/down along the left screen edge), and select different day/night color schemes.

This reader also includes a browser/downloader to access network ebook catalogs and stores. Custom OPDS catalogs are supported, too.

Alternatively, you can download books manually and save them on your device in the folder Books.

In addition, the reader is localized for 34 languages and includes hyphenation patterns for 24 languages.
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APK Permissions 12

  • android.permission.ACCESS_NETWORK_STATE
  • android.permission.FOREGROUND_SERVICE
  • android.permission.FOREGROUND_SERVICE_DATA_SYNC
  • android.permission.INTERNET
  • android.permission.POST_NOTIFICATIONS
  • android.permission.READ_EXTERNAL_STORAGE
  • android.permission.RECEIVE_BOOT_COMPLETED
  • android.permission.WAKE_LOCK
  • android.permission.WRITE_EXTERNAL_STORAGE
  • android.permission.WRITE_SETTINGS
  • com.android.vending.BILLING
  • org.geometerplus.zlibrary.ui.android.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
APK Verified

The cryptographic signature guarantees that the file is safe to install and was not tampered with in any way.

Other Variants

This release has multiple variants (e.g. diff architectures).

Universal
Developer

Name: FBReader.ORG Limited

See All Versions View on Google Play

Frequently Asked Questions about FBReader: Favorite Book Reader APK

This is the universal variant — a single APK that contains native libraries for every CPU architecture. It installs on any Android device but is larger than per-architecture variants.

Yes — the APK's signature has been cryptographically verified against the publisher's signing key. The SHA-256 hash is shown in the File Information panel so you can independently confirm the file matches the original release.

Android 21 (API level 35) or newer. Older devices will refuse the install.

Install a free app like 'CPU-Z' or 'Droid Hardware Info' from the Play Store and look at the ABI / Instruction Set row. Most phones made after 2017 are arm64-v8a; if in doubt, download the universal variant.

All variants are functionally identical — same features, same version. They differ only in which CPU architectures the native code is compiled for, and (sometimes) which screen densities the included graphics target. Pick the one that matches your device for the smallest install size, or pick 'Universal' if you're unsure.