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SkillApp vs Simple Time Tracker: catalog facts
SkillApp	Simple Time Tracker
Free Free and open source with no ads.	Free Free and open source under the GPL-3.0.
Android	Android
Fully offline with no internet access No ads or data collection	One-tap start for activities Statistics and history of past records
Android only Few features beyond timing skills	Android only Aimed at personal tracking rather than team timesheets
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
No account needed	Not stated if an account is 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.