KOReader

Ebook reader supporting multiple formats like PDF, DjVu, EPUB, FB2

KOReader is a document viewer application, originally created for Kindle e-ink readers.

Main features

  • supports multi-format documents
  • use StarDict dictionaries / Wikipedia to lookup words
  • highlights can be exported to Evernote cloud account
  • highly customizable reader view and typesetting
  • supports adding custom online OPDS catalogs
  • calibre integration
  • can share ebooks with other koreader devices wirelessly
  • various optimizations for e-ink devices

Packages

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 v2019.11 (7129) - Added on 2019-11-12

    This version requires Android 4.0 or newer.

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

    Permissions
    • 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.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • connect and disconnect from Wi-Fi
      Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 35 MiB PGP Signature

  • Version v2019.10 (7085) - Added on 2019-10-24

    This version requires Android 4.0 or newer.

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

    Permissions
    • 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.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • connect and disconnect from Wi-Fi
      Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.

    Download APK 35 MiB PGP Signature

  • Version v2019.09.3 (6999) - Added on 2019-09-19

    This version requires Android 4.0 or newer.

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

    Permissions
    • read the contents of your shared storage
      Allows the app to read the contents of your shared storage.
    • modify or delete the contents of your shared storage
      Allows the app to write the contents of your shared storage.
    • modify system settings
      Allows the app to modify the system's settings data. Malicious apps may corrupt your system's configuration.
    • 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.
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • connect and disconnect from Wi-Fi
      Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.

    Download APK 16 MiB PGP Signature