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Deku SMS vs Google Messages: catalog facts
Deku SMS	Google Messages
Free Free and open source under the GPL-3.0 licence.	Free Free to use; normal carrier charges for SMS may apply.
Android	Android, Web
End-to-end encrypted SMS Message forwarding to the cloud	Handles both SMS and RCS in one app Web client for texting from a computer
Android only Encrypted messaging needs a compatible app on the other end	Closed source and run by Google The web client depends on the phone app
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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