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