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