Pin a temperature
Keep a reading at the top
of the panel and menu bar.
Zephyr
Let your Mac
run cooler
Now Free
Hold the fan from the menu bar. See the heat, keep a speed, and hand it back to macOS when you are done.
ZephyrApple M5 ProAutomatic66°Warm
- CPU66°
- GPU60°
- Memory54°
- Storage48°
- Battery42°
Fan speed
1,2006,000
Fan 12,832 rpm
Fan 22,428 rpm
Very limited demo version. Simulated readings; this demo does not read or control your Mac.
The panel
Everything lives in one place.
The menu bar
No Dock icon. It can open
at login, right beside it.
Your live readings
Standard covers CPU, GPU, memory,
storage, battery and the rest.
Hold a speed
Move the slider and Zephyr keeps
that speed until you change it.
Hand it back
Automatic returns the fan
to macOS in one click.
Light, dark, or glass
The panel can be light,
dark, solid or glass.
Frequently Asked Questions
Will Zephyr run on my Mac?
Zephyr is built for Apple silicon and Intel Macs with macOS 13 or later. Available readings and fan control depend on your hardware and macOS. Fanless Macs have no fan to control. Support for every sensor on every Mac is not guaranteed.
Does it add a Dock icon?
No. Zephyr stays in the menu bar.
Can it open when I log in?
Yes. Open at login is a switch in the panel.
What does Automatic do?
It returns fan control to macOS. Move the slider when you want to hold a speed yourself.
Can I change the words?
Health reads the heat as Calm, Healthy, Warm, Strained, or Critical. Heat reads it as Cool, Mild, Warm, Hot, Very hot, or Critical. Custom uses words you write.