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Cuppa vs Chrono: catalog facts
Cuppa	Chrono
Free Free and open source under the BSD-3-Clause licence.	Free Free and open source under the GPL 3.0 or later.
Android, iOS	Android
Quick to start a timer Available on Android and iOS	Flexible alarm schedules, including date ranges Wake-up tasks such as math problems before dismissing
Single purpose app Few features beyond timing	Developers describe it as still in development No code changes since January 2025
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	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.