See the whole picture
CPU, memory, disk, and network in one place. Start with the overview, then explore the resource that needs attention.
Understand your Mac
at a glance.
See what is using your Mac's resources,
spot changes, and make sense of its health.
- CPU activity
- 16%
- Memory used
- 8.4 GB
- Network activity
- 2.4 Mbps
Find the busy process
See process activity alongside resource pressure, so you can connect what is running to what your Mac is doing.
Understand your energy use
See energy estimates based on your electricity rate. Estimates are clearly separated from direct measurements.
Up and running
in a minute.
- Download and open the ZIP.
- Move Espial to Applications.
- Open Espial.
What can Espial monitor?
Espial brings together CPU, memory, disk, network, energy, and process activity on Mac. Additional measurements depend on your hardware, operating system, and permissions. The app distinguishes estimates from observed values.
How do updates work?
This page always checks the approved stable Mac release. Download availability and release notes come from the same release service. If no build is published or the service cannot be reached, this page says so.