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