CPU
CPU usage monitoring with P and E core breakdown (Apple Silicon)
5
metrics
P/E core split
Thermal-aware load
Per-core readings
macOS 14.6+ • Apple Silicon ReadyMenu bar intelligence for people who notice slowdowns first.
System Monitor for macOS
Lightweight and elegant system monitor in the menu bar. Track CPU, memory, disk and network in real-time.
Live menu bar
CPU, RAM, disk, network, GPU
7-day trialNotarized by AppleApple Silicon and Intel
Built for everyday diagnosis
Everything you need
Monitor the most important system metrics directly from the menu bar
Memory
Detailed breakdown: Active, Wired, Compressed, Cached
3
views
Active and wired
Compressed memory
Cache visibility
Disk
Volume information, space usage, file system type
4
metrics
Volume health
Capacity pressure
Filesystem details
Network
Download and upload speed, local and public IP address
2
metrics
Download/upload
Local and public IP
Interface status
Real product screens
From quick menu checks to deeper diagnostics.
OtterStat keeps the compact menu view fast, then opens detailed CPU and memory panels when you need a closer look.
Ready in under a minute
Download OtterStat
System monitor for macOS. Universal build for Apple Silicon and Intel Macs.
7-day free trialLicensed upgradesApple notarized DMG