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Fossify Phone vs NovaDial: catalog facts
Fossify Phone	NovaDial
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under GPL-3.0.
Android	Android
No ads or tracking libraries Number blocking and multi-SIM support	Dialer and contacts in one app Dual-SIM support
Android only A dialer only; contacts and messages are separate Fossify apps	Android only Small independent project with no GitHub releases
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
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 2, 2026

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