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Mx Power Gadget vs macmon: catalog facts
Mx Power Gadget	macmon
Free Free download.	Free Free, with source published on GitHub.
macOS	macOS, Command line
Built specifically for Apple Silicon processors Real-time performance monitoring	No sudo needed, unlike powermetrics Shows CPU, GPU and Neural Engine power draw
Apple Silicon Macs only Requires macOS 14 or later	Apple Silicon Macs only Relies on a private macOS API that could change
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 24, 2026

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