Compare software

Quire vs Étagère: catalog facts
Quire	Étagère
Free Free and open source under the Apache-2.0 license.	Free Free software under the GNU GPL v3 or later.
Android, Self-hosted	Android
Browses calibre-web libraries over OPDS Reading progress syncs to a server you run yourself	Searches and filters Calibre catalogue metadata Downloads EPUB and other available book formats
Requires a calibre-web setup to be useful Young project with a small user base	Requires a Nextcloud account with a Calibre library Does not include a book reader
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-or-later
Not stated if an account is needed	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 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.