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Birthday Countdown vs MorbidMeter: catalog facts
Birthday Countdown	MorbidMeter
Free Free and open source under the MIT licence.	Free Free and open source under the GPL-3.0.
Android	Android
Simple, focused countdown with customizable birth date Milestones shown on the way to the birthday	Several timescales to choose from Can count forward or in reverse
Does one thing only; not a general birthday reminder for contacts Android only	Widget only, Android only Small project with few contributors
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is 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.