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SimpleX Chat vs Global Send: catalog facts
SimpleX Chat	Global Send
Free Free and open source under the AGPL 3.0. The company is funded by investment and…	Free Free and open source under GPL-3.0.
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 account or sign-up required Direct device-to-device connections
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	Still relies on relay servers for address discovery Small, young project
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0-or-later
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.