Compare software

Readwide vs Moon+ Reader: catalog facts
Readwide	Moon+ Reader
Free Free and open source under the Apache 2.0 licence.	Freemium Free version available, with a paid Pro version.
Android	Android
Opens many formats, including HWP/HWPX and comic archives Reading history search and bookmarks	Very wide format support including Markdown and CHM Reads books inside ZIP and RAR archives and OPDS catalogs
Young project with a small user base Android only	Android only Some features require the paid Pro version
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	License not stated
Not stated if an account is 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 September 23, 2026

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