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Rocinante vs BookLogr: catalog facts
Rocinante	BookLogr
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the Apache 2.0 licence.
Android	Web, Self-hosted
Works with any BookWyrm instance Native Android interface instead of a web page	Book lookup by title or ISBN via OpenLibrary Export to CSV, JSON and HTML
Requires an account on a BookWyrm instance Android only	Expect bugs and breaking changes during active development Tracks books rather than reading ebook files
Downloadable app	Self-hosted
Open source	Open source
License: AGPL-3.0-only	License: Apache-2.0
Account needed	Not stated if an account is 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.