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Librera Reader vs Liseur: catalog facts
Librera Reader	Liseur
Free Free to download.	Free Free and open source under the MIT licence.
Android	Android
Wide format support including DjVu and comics Auto-scan of book folders with reading progress	Reads local EPUB files and remote libraries in one shelf Works with calibre-web, Komga and BookOrbit servers
Android only Many settings can take time to learn	Android only Focused on EPUB rather than PDF or comic formats
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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