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Qbserve vs Time Sink: catalog facts
Qbserve	Time Sink
Paid Paid app with a 15-day free trial.	Paid $5 with at least a year of updates and a perpetual license; free trial available.
macOS, Browser extension	macOS
Tracks time automatically without manual timers Project tracking from window titles, documents and pages	Automatic tracking per app and per window Pools group related activity
macOS only Paid after the trial	macOS only Tracks one Mac, not a team
Downloadable app, Browser extension	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 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.