A native Mac system monitor

Your Mac’s pulse.
One glance away.

CPU, memory, disk and network. Keep the numbers you care about in your menu bar, and open one clear panel when you want the bigger picture.

Apple Silicon · macOS 14+

Your metrics. Your menu bar. Your thresholds.
StatJack dashboard with CPU and memory usage, disk space, network speeds and compact usage trend lines.
Your Mac, at a glance.

A little more insight.

Know what’s happening under the hood.

CPU + Memory

A pulse on
your Mac.

See processor load and memory usage, with the details and trends close by.

Disk space

Room for
what’s next.

Keep an eye on used and available space on your Mac’s startup volume.

Network activity

Every byte.
Both ways.

Follow live upload and download speeds, plus the totals for your session.

GPU + Thermal state

A little more
insight.

See GPU activity where available, and keep track of your Mac’s thermal state.

Made for your menu bar

Your menu bar.
Your rules.

Pick your metrics. Set CPU and memory thresholds. Get a notification when they’re crossed.

StatJack settings with Launch at Login, Dock icon and badge controls, and individual menu bar metric toggles.

Make room for what matters.

Your menu bar. Your way.

Choose the metrics that stay in view. Keep things minimal with a single icon, add a Dock badge, or set CPU and memory alerts for the moments that need your attention.

  • Pick your menu bar metrics and refresh interval
  • Set CPU and RAM notification thresholds
  • Optional Dock badge and Launch at Login
Need a hand getting started?

Up and running

From download to your menu bar.

  1. 1

    Make yourself at home

    Download the latest DMG, open it and drag StatJack into Applications.

  2. 2

    Take a look around

    Launch StatJack and click its menu bar icon. Open the panel for your system overview and usage trends.

  3. 3

    Make it yours

    Choose your metrics in Settings. Add CPU or RAM alerts and enable Launch at Login if you’d like.

A few useful answers

Before you get started.

Which Macs are supported?

The current download is for Apple Silicon Macs running macOS 14 or later. GPU usage is shown when supported by your Mac’s hardware; thermal state reports macOS thermal pressure.

Can I choose what appears in the menu bar?

Yes. Choose CPU, RAM, disk, network, GPU or thermal state in Settings, or use Icon Only for a quieter menu bar. You can also enable a Dock icon and choose a badge metric.

How do alerts work?

Enable CPU or RAM alerts in Settings and choose your percentage threshold. Allow macOS notifications for StatJack to receive a notification when that metric crosses your threshold.

Does StatJack show a temperature in degrees?

The current version reports macOS thermal state: Normal, Elevated, High or Critical. It describes thermal pressure, rather than a CPU temperature reading in degrees.

A closer look.
A clearer picture.

Apple Silicon · macOS 14+ · Latest stable release