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Remind Me! vs Chrono: catalog facts
Remind Me!	Chrono
Free Free and open source under the GPL-3.0 licence, with optional donations.	Free Free and open source under the GPL 3.0 or later.
Android	Android
Rings a full alarm rather than showing a notification Schedules alarms for any future date	Flexible alarm schedules, including date ranges Wake-up tasks such as math problems before dismissing
Android only Not a full task or reminder manager	Developers describe it as still in development No code changes since January 2025
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
Not stated if an account is 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.