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
Pricing
Choose your plan.
Start free. Upgrade when you need more.
Sentinel Free
Free, forever.
$0
Real-time CPU monitoring
Memory usage tracking
Disk usage overview
Color-coded health indicators
Keyboard cleaning mode
Menu bar integration
Open at login
Sentinel Pro
Unlimited features.
$2/ month
Everything in Free
Keyboard brightness control
More features coming soon