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Fossify Messages vs Messages: catalog facts
Fossify Messages	Messages
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the GNU GPL version 3.
Android	Android
No ads or tracking libraries Blocking by number and by keyword	SMS and MMS with multi-SIM support Scheduled messages and quick replies
SMS and MMS only, no end-to-end encrypted chat Android only	Android only Sending messages requires a mobile carrier
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0-only
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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