iStat Menus
iStat Menus is a macOS system monitoring app that shows live hardware, network, weather, and clock information in the menu bar.
What is iStat Menus?
iStat Menus is a native Mac utility that helps you monitor what your computer is doing in real time from the menu bar. It is designed for users who want quick visibility into CPU activity, memory use, disks, network traffic, temperatures, battery details, clocks, and weather without opening larger system tools. The app lets you enable separate menu bar items or combine multiple readouts into a single item, so it can fit both minimal and information-dense setups. Its dropdown menus provide more detailed stats and histories for the areas you track most often. iStat Menus is commonly used by power users, developers, IT staff, and everyday Mac users who want to watch performance, spot unusual resource usage, or keep system information close at hand. It is published by Bjango for macOS.
Key features
- Monitor CPU, GPU, memory, disk, and network activity from the menu bar.
- View temperatures, fan speeds, battery details, and other hardware sensor data.
- Show world clocks, calendar information, and weather in menu bar items and dropdowns.
- Combine multiple status readouts into a single menu bar item.
- Customize which menu bar items are enabled and how each one is displayed.
- Open detailed dropdown views with histories and extra system information.
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Safety overview
Status: Mostly safe
iStat Menus is a well-known Mac system monitoring utility, and its background menu bar behavior matches its purpose. Some functions may request deeper system access or install helper components so the app can read hardware details or support features such as fan controls, which is consistent with a monitoring tool but deserves attention because elevated access affects the whole Mac. Review any helper installation prompts carefully, and only allow login-item or helper components if you want iStat Menus running continuously in the background.
Recommendation: Keep iStat Menus if you use its menu bar monitoring, hardware readouts, or system activity views regularly. If you no longer check its stats, you can quit it or remove it to reduce menu bar clutter and background activity; features such as live monitoring and optional helper-based capabilities will stop working afterward.
Common paths
/Applications/iStat Menus.app
Cache paths
~/Library/Caches/com.bjango.istatmenus
Support paths
~/Library/Application Support/iStat Menus/Library/Application Support/iStat Menus Helper
Preference paths
~/Library/Preferences/com.bjango.istatmenus.plist
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