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BoxingClock vs Kronometer: catalog facts
BoxingClock	Kronometer
Free Free and open source under the MIT license.	Free Kronometer is published under GPL-2.0 or later.
Android	Linux
Configurable preparation, work and rest phases Fixed or unlimited rounds	Records and sorts lap times Saves and resumes stopwatch sessions
Android only Focused on interval timing for boxing workouts	Kronometer is available as a Linux desktop application.
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: GPL-2.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.