Compare software

Session vs Keet: catalog facts
Session	Keet
Free Free and open source under the GPL 3.0, run by the Session Technology Foundation.	Free Free to download and use.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Android, iOS
No phone number or email needed; the account is a random ID Onion routing hides your address from recipients and from the network	No phone number or email needed to sign up Messages, calls and files go directly between peers with end-to-end encryption
Losing your recovery phrase means losing the account with no reset Delivery can be slower than a centralised messenger	Losing the 24-word seed phrase can mean losing access to your identity Peer-to-peer design depends on participants' devices rather than a server
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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 September 23, 2026

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