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SimpleX Chat vs Quicall: catalog facts
SimpleX Chat	Quicall
Free Free and open source under the AGPL 3.0. The company is funded by investment and…	Free Free to download, with source published under the AGPL.
Windows, macOS, Linux, Android, iOS, Command line	Windows, macOS, Linux, Android, iOS
No user identifier of any kind, so conversations cannot be correlated by account Double ratchet encryption with an additional layer for the relay servers	Chat, voice and video calls in one app Clients for mobile and desktop platforms
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	Branding is inconsistent across the website, app and repository Small project with little public documentation
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0-or-later
No account needed	Not stated if an account is needed
Works offline	Needs internet
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.