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Mac Performance MonitorProcessSpy
Free

Free and open source.

 Free

Offered as a direct download from the developer's site.

macOS macOS
  • Recorded history to find when a slowdown began
  • Compare process traces on one timeline
  • Per-process CPU and memory history
  • Recall of processes that have already exited
  • Apple silicon only
  • Requires macOS 15 or later
  • macOS only, and requires macOS 14 or later
Downloadable app Downloadable app
Open source Closed source
License not stated License not stated
No account needed Not stated if an account is needed
Works offline Works offline

Checked October 2, 2026

Checked October 1, 2026

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