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Mx Power Gadget vs Power Monitor: catalog facts
Mx Power Gadget	Power Monitor
Free Free download.	Free Free and open source under the Apache 2.0 licence.
macOS	macOS
Built specifically for Apple Silicon processors Real-time performance monitoring	Real-time power consumption readings Carbon footprint estimate based on location
Apple Silicon Macs only Requires macOS 14 or later	macOS only No formal GitHub releases
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
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 1, 2026	Official website Full listing and sources Checked October 2, 2026

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