Compare software

Berty vs Briar: catalog facts
Berty	Briar
Free Free and open source, developed by a non-profit.	Free Free and open source under the GPL.
Android, iOS	Linux, Android
No central server; messages travel peer to peer Designed to work offline or on restricted networks	Works with no internet at all, over Bluetooth or local Wi-Fi No central server and no phone number or email needed
Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers	Currently in maintenance mode, with limited new development Both devices must be online at the same time to exchange messages
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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