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