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iStat Menus vs Mx Power Gadget: catalog facts
iStat Menus	Mx Power Gadget
Paid Paid single or family license with upgrade pricing from version 6; also included in…	Free Free download.
macOS	macOS
Wide range of sensors and statistics in the menu bar Highly customisable menu bar items and menus	Built specifically for Apple Silicon processors Real-time performance monitoring
macOS only Weather data is included for six months with a license	Apple Silicon Macs only Requires macOS 14 or later
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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