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Tox vs Berty: catalog facts
Tox	Berty
Free Free and open source under GPL-3.0, with no ads or paid features.	Free Free and open source, developed by a non-profit.
Self-hosted	Android, iOS
No central servers that can be shut down or asked to hand over data Encrypted text, voice, video, screen sharing and file transfers	No central server; messages travel peer to peer Designed to work offline or on restricted networks
Core library has not been independently audited for cryptography Security model is not yet fully specified	Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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