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KOReader

Ebook reader
KOReader is an ebook reader optimized for e-ink screens. It can open many formats and provides advanced text adjustments.
See below for a selection of its many features:

  • Supports both fixed page formats (PDF, DjVu, CBT, CBZ) and reflowable e-book formats (EPUB, FB2, Mobi, DOC, CHM, TXT, HTML). Scanned PDF/DjVu documents can be reflowed. Special flow directions for reading double column PDFs and manga.

  • Multi-lingual user interface optimized for e-ink screens. Highly customizable reader view with complete typesetting options. Multi-lingual hyphenation dictionaries are bundled in.

  • Non-Latin script support for books, including the Hebrew, Arabic, Persian, Russian, Chinese, Japanese and Korean languages.

  • Unique Book Map and Page Browser features to navigate your book.

  • Special multi-page highlight mode with many local and online export options.

  • Can synchronize your reading progress across all your KOReader running devices.

  • Integrated with Calibre, Wallabag, Wikipedia, Google Translate and other content providers.


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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version v2024.11 (108123) suggested Added on Nov 23, 2024

    x86

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 31 MiB PGP Signature | Build Log

  • Version v2024.11 (108122) - Added on Nov 23, 2024

    arm64-v8a

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 29 MiB PGP Signature | Build Log

  • Version v2024.11 (108121) - Added on Nov 23, 2024

    armeabi-v7a

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 28 MiB PGP Signature | Build Log

  • Version v2024.07 (105233) - Added on Jul 19, 2024

    x86

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 32 MiB PGP Signature | Build Log

  • Version v2024.07 (105232) - Added on Jul 19, 2024

    arm64-v8a

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 31 MiB PGP Signature | Build Log

  • Version v2024.07 (105231) - Added on Jul 19, 2024

    armeabi-v7a

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 30 MiB PGP Signature | Build Log

  • Version v2024.04 (102953) - Added on May 09, 2024

    x86

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 32 MiB PGP Signature | Build Log

  • Version v2024.04 (102952) - Added on May 09, 2024

    arm64-v8a

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 32 MiB PGP Signature | Build Log

  • Version v2024.04 (102951) - Added on May 09, 2024

    armeabi-v7a

    This version requires Android 4.3 or newer.

    It is built by F-Droid and guaranteed to correspond to this source tarball.

    Permissions
    • view network connections
      Allows the app to view information about network connections such as which networks exist and are connected.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • android.permission.MANAGE_EXTERNAL_STORAGE
    • query all packages
      Allows an app to see all installed packages.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
      (10)
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
      (10)
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 31 MiB PGP Signature | Build Log