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iStat Menus vs TrafficMonitor: catalog facts
iStat Menus	TrafficMonitor
Paid Paid single or family license with upgrade pricing from version 6; also included in…	Free Free and open source.
macOS	Windows
Wide range of sensors and statistics in the menu bar Highly customisable menu bar items and menus	Network speed, CPU and memory readings on the taskbar Skins to change the appearance
macOS only Weather data is included for six months with a license	Windows only Main documentation is in Chinese, with English translations
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
No account 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 23, 2026

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