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Liseur vs Quire: catalog facts
Liseur	Quire
Free Free and open source under the MIT licence.	Free Free and open source under the Apache-2.0 license.
Android	Android, Self-hosted
Reads local EPUB files and remote libraries in one shelf Works with calibre-web, Komga and BookOrbit servers	Browses calibre-web libraries over OPDS Reading progress syncs to a server you run yourself
Android only Focused on EPUB rather than PDF or comic formats	Requires a calibre-web setup to be useful Young project with a small user base
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: MIT	License: Apache-2.0
No account needed	Not stated if an account is needed
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.