Sentinel
Your Mac.
At a glance.
Real-time CPU, memory, and disk monitoring. Right in your menu bar.
What people are saying
Loved by Mac users.
“Sentinel replaced Activity Monitor for me. I never need to open it anymore.”
Marco R.
Software Developer
“Clean, minimal, and does exactly what it should. The keyboard cleaning mode is a nice touch.”
Sophie L.
UX Designer
“Finally a system monitor that doesn't look like it was made in 2005. Fits right into macOS.”
James K.
Creative Director
Choose your plan.
Start free. Upgrade when you need more.
Sentinel
Free, forever.
$0
CPU, memory & disk gauges
Menu bar app
Customizable appearance
Launch at login
Automatic updates
Sentinel Pro
Unlock everything.
$23.99/year
4 months free · Save $11.89
Everything in Free
Task Manager
Keyboard Tools
Color Picker
Scroll Reverser
Dynamic Notch
Media Controller