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Chitchatter vs Berty: catalog facts
Chitchatter	Berty
Free No paid plan is mentioned on the site.	Free Free and open source, developed by a non-profit.
Web	Android, iOS
Runs in the browser with nothing to install Peer-to-peer design without a central chat server	No central server; messages travel peer to peer Designed to work offline or on restricted networks
No history, so it is not suited to ongoing conversations Participants need to be online at the same time	Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers
Web application	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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