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

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