Chaka Book Reader

An excellent Android book reader based on MuPDF Android Viewer

Chaka is an Android app based on MuPDF Android Viewer. It doesn't care about books management. but dedicates to book reading experience, with most expected features:
Horizontal / Vertical Flipping.
Right-to-Left Forward reading mode, for some reverse reading direction books.
Single Column mode, to work with Scanned Dual-Spread PDF documents.
Cropping Margin, to get more visible reading area.
Focus mode.

License: GNU Affero General Public License v3.0 or later
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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.

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Version 1.24.9a.9 (155) suggested Added on Oct 27, 2024

arm64-v8a armeabi-v7a x86 x86_64

This version requires Android 5.0 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.
- net.timelegend.chaka.viewer.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Download APK 19 MiB PGP Signature | Build Log