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Knit vs Berty: catalog facts
Knit	Berty
Free Free and open source under the GPL-3.0 licence.	Free Free and open source, developed by a non-profit.
Android	Android, iOS
Works with no internet, cell service or servers Messages relay across multiple nearby phones	No central server; messages travel peer to peer Designed to work offline or on restricted networks
Only reaches people within range of a chain of nearby phones Android only	Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Works offline	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.