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TG Pro vs macmon: catalog facts
TG Pro	macmon
Paid One-time payment, listed at 10 US dollars.	Free Free, with source published on GitHub.
macOS	macOS, Command line
Supports Apple Silicon up to M5 and Intel Macs Manual and automatic fan speed control	No sudo needed, unlike powermetrics Shows CPU, GPU and Neural Engine power draw
macOS only Paid app	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
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 September 24, 2026

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