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SimpleX Chat vs TRIfA: catalog facts
SimpleX Chat	TRIfA
Free Free and open source under the AGPL 3.0. The company is funded by investment and…	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux, Android, iOS, Command line	Android
No user identifier of any kind, so conversations cannot be correlated by account Double ratchet encryption with an additional layer for the relay servers	Peer-to-peer messaging without central servers All features free
Connecting means exchanging a link or QR code in person or elsewhere No contact list means a lost device is a lost set of conversations unless backed up	Contacts must also use a Tox client Smaller user base than mainstream messengers
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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