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SimpleX Chat vs Anonomi Messenger: catalog facts
SimpleX Chat	Anonomi Messenger
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 or later.
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	No central servers to seize or monitor Routes traffic through Tor
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	Android only Small, young project with a limited user base
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Works offline	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.