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Usagi vs Futon: catalog facts
Usagi	Futon
Free Free and open source under GPL-3.0-only.	Free Free and open source under the GPL-3.0 licence, with no ads.
Android	Android
Built-in tunnels to reach sources behind firewalls Several interface styles, including Modern and Classic	Over 1000 manga sources plus Tachiyomi keiyoushi extensions Chapter downloads for offline reading
Android only Content depends on third-party online sources	Android only Relies on third-party sources that can change or break
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
Not stated if an account is needed	No 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 2, 2026

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