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Librera Reader vs Book's Story: catalog facts
Librera Reader	Book's Story
Free Free to download.	Free Free, ad-free and open source under the GPL 3.0.
Android	Android
Wide format support including DjVu and comics Auto-scan of book folders with reading progress	Supports EPUB, PDF, FB2, TXT, HTML and Markdown Extensive reading customisation
Android only Many settings can take time to learn	Android only Last code update was in early 2026
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-only
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 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.