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Chaka Book Reader vs Areada: catalog facts
Chaka Book Reader	Areada
Free Free and open source under AGPL-3.0-or-later.	Free Free and open source under the Apache 2.0 licence.
Android	Android
Opens a very wide range of document and comic formats Reads files directly from archives	Reads EPUB, PDF, TXT and FB2, including books inside archives Works offline from local folders
Android only No release downloads listed on the repository	Android only Notes are basic plain text
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: Apache-2.0
No account needed	No account needed
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.