iStat Menus is a powerful, customizable system monitoring app for macOS. Its found in your menu bar at the top of your screen, giving real-time system stats. It can report on everything from CPU utilization and Internet speeds to SSD speeds and memory pressure.
iStat Menus is likely the most popular program for monitoring Mac, it well organized, with a lot on of number of optional features.
You can be notified, when your public IP has changed, if your internet connection is down, if CPU usage is above 60 percent for more than 10 seconds, or even of daylight saving time changes.
iStat Menus is tightly integrated with macOS technically, allowing users to deeply monitor every important stat about his system. Our iStat Menus review will cover the most important aspects of the application. Its the type of program that, once you grow to love it, you cant live without.
* CPU and GPU
Highly detailed CPU info, with current usage for individual cores, history graphs, load averages, uptime, CPU frequency, and a list of the apps using the most CPU. Plus, GPU memory and processor usage on supported Macs, and the active GPU can be shown in the menubar.
Extensive memory stats covering usage, history, memory pressure, compressed memory, swap, and a list of the apps using the most memory.
Keep on top of whats being sent and received for all network connections with history graphs, current bandwidth usage, and a bandwidth breakdown for the top apps, as well as detailed connection info, bandwidth graphs, public and private IP addresses, and an internet connectivity indicator.
* Disk usage and activity
See used space, free space, and disk activity in your menubar. S.M.A.R.T. status monitoring, per app disk usage, and more detail for all your disks is only a click away.
A realtime listing of the sensors in your Mac, including temperatures, hard drive temperatures (where supported), fans, CPU frequency, GPU frequency (Intel GPUs only), voltages, current and power. Fan speeds can be controlled, and even switched based on temperatures, active GPU and battery state.
* Date and time
Highly customisable menubar clocks, calendar with upcoming events, world clocks with detailed sun and moon info.
Screenshots iStat Menus for Mac