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