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Openreads vs Sobuu: catalog facts
Openreads	Sobuu
Free Free and open source under the GPL-2.0 licence, with no ads.	Free Free and open source under the Apache-2.0 licence, with no ads.
Android	Android
No ads and no tracking Separate lists for finished, current and planned reading	Page-by-page reading progress and reading time Comments tied to a page so others avoid spoilers
Tracks books rather than reading them No social or community features like those of Goodreads	Android only Social features depend on other readers using the app
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: Apache-2.0
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.