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Sensei vs AirStats: catalog facts
Sensei	AirStats
Freemium Free download, with a paid version available to buy.	Free Free with no account, trial or paid tier.
macOS	macOS
Real-time CPU, GPU and battery stats in the menu bar Customizable widgets and dashboards	Very low CPU and memory footprint 24-hour history for each metric
macOS only Some features require a paid purchase	macOS only Newer project with a short track record
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 September 24, 2026	Official website Full listing and sources Checked October 2, 2026

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