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Bookaccio vs Rocinante: catalog facts
Bookaccio	Rocinante
Free Free and open source under the GPL-3.0.	Free Free and open source under the AGPL-3.0 licence.
Android	Android
Book search through the Google Books API Reading progress tracking	Works with any BookWyrm instance Native Android interface instead of a web page
Book search depends on the Google Books API Android only	Requires an account on a BookWyrm instance Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: AGPL-3.0-only
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it 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.