Your Mac's vitals,
always in sight
CPU thermal state, RAM, disk and battery — live in your menu bar. Universal Binary for Apple Silicon & Intel.
⚠ First launch: right-click the app → Open to bypass macOS Gatekeeper.
Features
Everything at a glance
No bloat. No telemetry. Pure native Swift — zero third-party dependencies.
CPU Thermal
Instant alerts for Normal, Warm, Hot and Critical states using Apple's ProcessInfo API.
RAM Usage
Active + wired + compressed memory tracked in real time with percentage and absolute values.
Disk Space
Used and free space on your main volume — HD or SSD — updated every 5 minutes.
Battery Life
Time remaining or time to full charge. Hidden on desktop Macs without a battery.
Thermal states
Understand your CPU
MacMonitor maps Apple's four thermal levels to clear, color-coded indicators.
100% Open Source
All code is on GitHub under the MIT license. No telemetry, no analytics, no hidden network requests. You can read, build, and audit every line.
Enjoying MacMonitor?
It's free and always will be. If it saves your Mac from overheating, consider buying me a coffee!
☕ Buy me a coffee