Chaka Book Reader

Committed to improving reading experience

License: AGPL-3.0-or-later
Package: net.timelegend.chaka.viewer.app
Category: Ebook Reader, Internet, Reading
Latest version: 1.27.1a.29 · Nov 1, 2026
Minimum Android: Android 5.0

Download 1.27.1a.29

Screenshots

Description

Read fluently and comfortably, with simple and clear interface.

Supported Files:
· Documents: PDF, EPUB, DJVU, MOBI, FB2, XPS, MD, 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
· Table of Contents
· Bookmarks
· Links
· Search
· Share book
· Remember reading states

The project is under active development.

All versions

Version	Released	Minimum Android	Size
1.27.1a.29 (4 builds)	Nov 1, 2026	Android 5.0	8.3 MB
1.27.1a.28 (4 builds)	Oct 12, 2026	Android 5.0	8.1 MB
1.27.1a.27 (4 builds)	Sep 19, 2026	Android 5.0	8 MB
1.27.1a.26 (4 builds)	Aug 29, 2026	Android 5.0	8 MB
1.27.1a.25 (4 builds)	Aug 11, 2026	Android 5.0	8 MB
1.27.1a.24 (4 builds)	Jul 18, 2026	Android 5.0	6.7 MB
1.27.1a.23 (4 builds)	May 20, 2026	Android 5.0	5.6 MB
1.24.9a.22 (4 builds)	Apr 28, 2026	Android 5.0	5.6 MB
1.24.9a.21 (4 builds)	Apr 4, 2026	Android 5.0	5.6 MB
1.24.9a.20	Mar 11, 2026	Android 5.0	19.7 MB
1.24.9a.19	Jan 14, 2026	Android 5.0	19.7 MB
1.24.9a.18	Sep 29, 2025	Android 5.0	19.7 MB
1.24.9a.17	Aug 27, 2025	Android 5.0	19.7 MB
1.24.9a.16	Jul 21, 2025	Android 5.0	19.7 MB
1.24.9a.14	May 18, 2025	Android 5.0	19.7 MB
1.24.9a.12	Apr 22, 2025	Android 5.0	19.7 MB
1.24.9a.11	Dec 17, 2024	Android 5.0	19.6 MB
1.24.9a.10	Nov 16, 2024	Android 5.0	19.6 MB
1.24.9a.9	Oct 27, 2024	Android 5.0	19.6 MB

How to install an older version of an Android app · How to install an APK file on Android

From the developer (GitHub)

APK files published by the developer on GitHub. They are signed by the developer and may not install over the other builds on this page (different signature). Links open github.com.

v1.27.1a.29 · Oct 29, 2026

app-arm64-v8a-release.apk 8.3 MB app-armeabi-v7a-release.apk 7.3 MB app-universal-release.apk 27.6 MB app-x86-release.apk 8.6 MB app-x86_64-release.apk 8.6 MB

v1.27.1a.28 · Oct 8, 2026

app-arm64-v8a-release.apk 8.1 MB app-armeabi-v7a-release.apk 7.1 MB app-universal-release.apk 26.8 MB app-x86-release.apk 8.4 MB app-x86_64-release.apk 8.4 MB

v1.27.1a.27 · Sep 17, 2026

app-arm64-v8a-release.apk 8 MB app-armeabi-v7a-release.apk 7.1 MB app-universal-release.apk 26.8 MB app-x86-release.apk 8.4 MB app-x86_64-release.apk 8.4 MB

Screenshots

Description

All versions

From the developer (GitHub)

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