Compare software

Cuppa vs Fossify Clock: catalog facts
Cuppa	Fossify Clock
Free Free and open source under the BSD-3-Clause licence.	Free Free and open source under the GPL-3.0, with no ads.
Android, iOS	Android
Quick to start a timer Available on Android and iOS	Alarm, stopwatch, timer and widget in one app Gradual alarm volume and adjustable snooze
Single purpose app Few features beyond timing	Android only Covers standard clock features rather than advanced sleep tracking
Downloadable app	Downloadable app
Open source	Open source
License: BSD-3-Clause	License: GPL-3.0
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.