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Moon+ Reader vs Book's Story: catalog facts
Moon+ Reader	Book's Story
Freemium Free version available, with a paid Pro version.	Free Free, ad-free and open source under the GPL 3.0.
Android	Android
Very wide format support including Markdown and CHM Reads books inside ZIP and RAR archives and OPDS catalogs	Supports EPUB, PDF, FB2, TXT, HTML and Markdown Extensive reading customisation
Android only Some features require the paid Pro version	Android only Last code update was in early 2026
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
Not stated if an account is 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 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.