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YtAlarm vs NFC Alarm Clock: catalog facts
YtAlarm	NFC Alarm Clock
Free Free and open source under GPL-3.0.	Free Free with no ads, open source under the GPL-3.0; donations accepted.
Android	Android
Wake up to any chosen video or music Works without Google services	NFC tag dismissal makes it harder to switch off alarms in bed Gradually increasing or restricted alarm volume
Relies on youtube-dl extraction, which can break when sites change Android only	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-only	License: GPL-3.0-or-later
Not stated if an account is 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.