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SMSecure vs Pvot Messages: catalog facts
SMSecure	Pvot Messages
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0.
Android	Android
Encrypted conversations over ordinary SMS Continues the Silence and TextSecure line on current Android	Continues the well-known QKSMS codebase Scheduled and delayed sending
Encryption only works when the contact also uses a compatible app Android only	Android only SMS and MMS are not end-to-end encrypted
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No account 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 October 2, 2026

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