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WhatsApp vs Whatsie: catalog facts
WhatsApp	Whatsie
Free Free to use for personal messaging and calls.	Free Free and open source under the MIT licence.
Windows, macOS, Android, iOS, Web	Linux
End-to-end encrypted messages and calls Available on phones, desktop and the web	Native notifications and tray unread badge Calls, screen sharing and a downloads manager
Proprietary and tied to a phone number account Relies on a central service run by the developer	Unofficial client built on WhatsApp Web Linux only
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: MIT
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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