Compare software

QuicallSimpleX Chat
Free

Free to download, with source published under the AGPL.

 Free

Free and open source under the AGPL 3.0. The company is funded by investment and…

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

Checked October 2, 2026

Checked September 21, 2026

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