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Clock You vs NFC Alarm Clock: catalog facts
Clock You	NFC Alarm Clock
Free Free and open source, with optional donations.	Free Free with no ads, open source under the GPL-3.0; donations accepted.
Android	Android
Alarm, timer, stopwatch and world clock in one app Several Material You home-screen widgets	NFC tag dismissal makes it harder to switch off alarms in bed Gradually increasing or restricted alarm volume
Android only Fewer advanced alarm options than some stock clock apps	Android only NFC dismissal needs a phone with NFC and a tag or card
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
No account needed	No account needed
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.