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Chaka Book Reader

Committed to improving reading experience
New in version 1.24.9a.18
Add color palette
Add book sharing
Remember reading status
Compact fontsize options
Read fluently and comfortably, with simple and clear interface.

Supported Document Types:
PDF, EPUB, MOBI, CBZ, FB2, XPS, TXT, HTML, OFFICE(DOCX, XLSX, PPTX) and ZIP/GZIP

Features:
· Horizontal / Vertical Flip
· Continuous Scroll
· Lock Stray: Keep scroll straight
· Margin Crop
· Focus Mode: Keep page position on flipping zoomed pages
· Smarty Focus: Recognize page border bias in Focus Mode
· RtL Text: Support Top-to-Bottom, Right-to-Left(TB-RL) text
· Single Column: Support scanned dual-spread PDF page
· Color Palette
· Font Size selectable
· Text Copy
· Table of Contents
· Bookmarks
· Links
· Search
· Share a book
· Remember reading status

The project is under active development.
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot
  • app screenshot

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 1.24.9a.18 (164) suggested Added on Sep 29, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by the original developer, 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.
    • net.timelegend.chaka.viewer.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 19 MiB PGP Signature | Build Log

  • Version 1.24.9a.17 (163) - Added on Aug 27, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by the original developer, 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.
    • net.timelegend.chaka.viewer.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 19 MiB PGP Signature | Build Log

  • Version 1.24.9a.16 (162) - Added on Jul 21, 2025

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 5.0 or newer.

    It is built and signed by the original developer, 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.
    • net.timelegend.chaka.viewer.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 19 MiB PGP Signature | Build Log

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