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Berty vs qTox: catalog facts
Berty	qTox
Free Free and open source, developed by a non-profit.	Free Free and open source under the GPL.
Android, iOS	Windows, macOS, Linux
No central server; messages travel peer to peer Designed to work offline or on restricted networks	Peer-to-peer encrypted messaging without a central server Voice, video and file transfer in one client
Developers say it is not yet ready for high-risk use Small team and a smaller user base than mainstream messengers	Contacts must also use Tox Smaller user base than mainstream messengers
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 23, 2026

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