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Clio Audiobook Player

Clean, modern audiobook player for Android focused on privacy and simplicity.
New in version 1.0.5
• Folder Type Selection: Adding a folder now prompts to choose between "Single book" (combines files into chapters), "Audiobooks", or "Authors" (fixes #3).
• Chapter Bar Toggle: Added a switch under Settings > Player controls to show or hide the chapter bar (title and chapter progress slider) in the player (fixes #4).
Clio is a clean, customizable open-source audiobook player for Android.

Audio & Playback Control
* Built-in equalizer with spoken voice presets (Vocal Clarity, Treble Boost, Bass Cut, De-Esser)
* Independent skip intervals for rewind and fast-forward (e.g. 30s forward, 10s backward)
* Auto-rewind after pauses and skip silence support
* Volume boost for quiet recordings
* Variable playback speed

Smart Library & Queue
* Flexible audiobook queue with drag & drop reordering
* Folder-based organization (single book, author, and series structures)
* Bookmark feature with timestamps
* Automatic resume: open your last played book directly on startup
* Fast library search, multi-selection, and cover art picker

Intelligent Sleep Timer
* Manual or scheduled auto-timer (e.g. active during night hours)
* Smooth fade-out and stop at end of chapter
* Shake to extend

Detailed Listening Statistics
* Monthly and yearly overview of your listening habits
* Seamless import of existing history from "Smart AudioBook Player"

Design & Personalization
* Customizable player interface
* Customizable grid layout
* Touch lock to prevent accidental input in your pocket
* Versatile player backgrounds (blurred cover, dynamic gradients, AMOLED black, glassmorphism)
* Material You & Themes (Catppuccin Mocha, OLED black, hex color picker)

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 1.0.5 (10005) suggested Added on Oct 27, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed 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.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • 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.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • de.clio.audiobook.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.2 MiB PGP Signature | Build Log

  • New in version 1.0.4
    • Reworked Equalizer: Calibrated sound presets with distinctly audible frequency profiles and gain compensation.
    • Group by Status: New library sorting option (Now Playing, Started, Unread, Completed).
    • Online Cover Toggle: Added switch in onboarding and settings to enable or disable online cover search for complete offline use.
    • Library Polish: Renamed category to "Started", unified 22sp section headers, and eliminated duplicate entries for single-book libraries.
  • Version 1.0.4 (10004) - Added on Oct 12, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed 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.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • 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.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • de.clio.audiobook.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.2 MiB PGP Signature | Build Log

  • New in version 1.0.3
    Initial release of Clio Audiobook Player.
  • Version 1.0.3 (10003) - Added on Oct 04, 2026

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 9.0 or newer.

    It is built and signed 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.
    • run foreground service
      Allows the app to make use of foreground services.
    • run foreground service with the type "mediaPlayback"
      Allows the app to make use of foreground services with the type "mediaPlayback"
    • 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.
    • ask to ignore battery optimizations
      Allows an app to ask for permission to ignore battery optimizations for that app.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • de.clio.audiobook.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.2 MiB PGP Signature | Build Log