Compare software

Session vs TRIfA: catalog facts
Session	TRIfA
Free Free and open source under the GPL 3.0, run by the Session Technology Foundation.	Free Free and open source under the GPL-3.0 licence.
Windows, macOS, Linux, Android, iOS	Android
No phone number or email needed; the account is a random ID Onion routing hides your address from recipients and from the network	Peer-to-peer messaging without central servers All features free
Losing your recovery phrase means losing the account with no reset Delivery can be slower than a centralised messenger	Contacts must also use a Tox client Smaller user base than mainstream messengers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-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.