System Watcher App Icon

System Watcher

The System Watcher is a lightweight yet powerful app to monitor your system. It integrates in the menu bar and displays various information like processor usage, memory usage and the current upload and download speed.


The System Watcher has won the following awards:

macOS 11.0 Big Sur

Mac Informer Good Choice Award

App Features

Below you will see some of the key features of the app.

Basic System Information

Keep track of all your system loads. This includes CPU load, memory usage and network speeds. Graphics card and disk information can also be observed on a dedicated page.

Menu Bar Extra

The menu bar extra shows the network download- and upload speed, the total CPU usage the used memory. Additional menu bar widgets can be unlocked with System Watcher Pro.

Overlay Window

The overlay window always stays on top of other windows. So even if you have a full screen app running, you can use the overlay window to keep track of your system.

Battery Information

You can check the battery parameters on the battery page. This page shows detailed information about the internal battery. If you are using a Mac without battery, this page is hidden.

Graphics Card Information

See information about the state of your primary graphics card.

Disk Information

See all connected disks and their current performance statistics.


Click on the screenshot to enlarge it. To see additional screenshots, open the App Store page.

Monitor your system.


This app is compatible with the following version of macOS:

macOS 11.0 Big Sur

macOS Big Sur

macOS 12.0 Monterey

macOS Monterey

What People Are Saying

Highly Recommended
Very helpful and was quickly able to troubleshoot what APPs where taking up valuable CPU/Memory. I actually removed some APPs that had background processes running and I didn't realise. Thanks again!
Program wart polecenia. W wersji Lite niestety nie ma opcji czyszczenia pamieci ale i tak wart jest zainstalowania.
free but great
it is free and good use and good use and free

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