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Fossify Messages vs Connect You: catalog facts
Fossify Messages	Connect You
Free Free and open source under the GPL-3.0, with no ads.	Free Free and open source under the GPL-3.0 licence.
Android	Android
No ads or tracking libraries Blocking by number and by keyword	Contacts and SMS in a single app Uses the system contacts API so data stays in sync
SMS and MMS only, no end-to-end encrypted chat Android only	SMS on Android 16 and later needs restricted permissions enabled manually Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: GPL-3.0
No account 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.