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Berty vs Tox: catalog facts
Berty	Tox
Free Free and open source, developed by a non-profit.	Free Free and open source under GPL-3.0, with no ads or paid features.
Android, iOS	Self-hosted
No central server; messages travel peer to peer Designed to work offline or on restricted networks	No central servers that can be shut down or asked to hand over data Encrypted text, voice, video, screen sharing and file transfers
Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers	Core library has not been independently audited for cryptography Security model is not yet fully specified
Downloadable app	Downloadable app, Self-hosted
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 October 2, 2026

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