Compare software

AltusWhatsApp
Free

Free and open source under GPL-3.0.

 Free

Free to use for personal messaging and calls.

Windows Windows, macOS, Android, iOS, Web
  • Multiple WhatsApp accounts in one app
  • Custom themes for the WhatsApp interface
  • End-to-end encrypted messages and calls
  • Available on phones, desktop and the web
  • Unofficial client that depends on WhatsApp Web
  • Electron app with higher memory use than a native client
  • Proprietary and tied to a phone number account
  • Relies on a central service run by the developer
Downloadable app Downloadable app, Web application
Open source Closed source
License: GPL-3.0 License not stated
Account needed Account needed
Needs internet Needs internet

Checked October 2, 2026

Checked September 24, 2026

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