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Berty vs SimpleX Chat: catalog facts
Berty	SimpleX Chat
Free Free and open source, developed by a non-profit.	Free Free and open source under the AGPL 3.0. The company is funded by investment and…
Android, iOS	Windows, macOS, Linux, Android, iOS, Command line
No central server; messages travel peer to peer Designed to work offline or on restricted networks	No user identifier of any kind, so conversations cannot be correlated by account Double ratchet encryption with an additional layer for the relay servers
Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers	Connecting means exchanging a link or QR code in person or elsewhere No contact list means a lost device is a lost set of conversations unless backed up
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: AGPL-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 September 21, 2026

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