Chaka Book Reader
Chaka Book Reader is a free, open-source reading app for Android. Committed to improving reading experience. It has 124 GitHub stars and is released under the AGPL-3.0-or-later license, and you can install it from F-Droid.
- Android
- Java
- E-book, PDF & RSS readers
- Actively maintained
About Chaka Book Reader
Read fluently and comfortably, with simple and clear interface. Supported Files: · Documents: PDF, EPUB, DJVU, MOBI, FB2, XPS, TXT, HTML · Comics: CBZ, CBR, CBT · Office files: DOCX, XLSX, PPTX · Multi-Page images: TIFF · Archives: ZIP, GZIP, RAR, TAR, 7-ZIP packages of above files. 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 Select and more operations ·…
Privacy and F-Droid
F-Droid builds Chaka Book Reader from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.
No anti-features flagged on the latest F-Droid build.
Screenshots
Screenshots from the app's F-Droid listing.
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What is Chaka Book Reader?
Chaka Book Reader is a free, open-source reading app for Android. Committed to improving reading experience. It has 124 GitHub stars and is released under the AGPL-3.0-or-later license, and you can install it from F-Droid.
Is Chaka Book Reader free and open source?
Yes. Chaka Book Reader's source code is public on GitHub under the AGPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.
How do I install Chaka Book Reader?
You can install Chaka Book Reader from F-Droid (package net.timelegend.chaka.viewer.app); the links are on this page. Its GitHub repository also publishes releases (latest: v1.27.1a.27).
Is Chaka Book Reader still maintained?
The repository's most recent commit was on Sep 17, 2026. Its F-Droid listing was last updated on Sep 19, 2026. appsgit only lists apps whose repository had a commit in the last six months.