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Compose Stopwatch vs Clock You: catalog facts
Compose Stopwatch	Clock You
Free Free and open source under the Apache 2.0 licence.	Free Free and open source, with optional donations.
Android	Android
Optional auto start shortly after launch Vibration feedback and configurable tap action	Alarm, timer, stopwatch and world clock in one app Several Material You home-screen widgets
Stopwatch only, without timers or alarms described Older versions must be uninstalled before updating due to a key change	Android only Fewer advanced alarm options than some stock clock apps
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
Not stated if an account is 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.