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Time Cop vs Simple Time Tracker: catalog facts
Time Cop	Simple Time Tracker
Free Free and open source under Apache-2.0.	Free Free and open source under the GPL-3.0.
Linux, Android, iOS	Android
Multiple parallel timers Projects for grouping work	One-tap start for activities Statistics and history of past records
Available on Android, iOS, and Linux	Android only Aimed at personal tracking rather than team timesheets
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-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 2, 2026

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