Compare software

ReadBear vs Chaka Book Reader: catalog facts
ReadBear	Chaka Book Reader
Free Free and open source under the MIT licence.	Free Free and open source under AGPL-3.0-or-later.
Android	Android
Reads PDF and CBZ comic files in one app Many reading options: layout, theme, spacing, language	Opens a very wide range of document and comic formats Reads files directly from archives
EPUB support is described as unfinished Small, young project with one main developer	Android only No release downloads listed on the repository
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.