The app uses a simple color-coded system in the menu bar or Dock: green for healthy, yellow for warning thresholds, and red for critical errors.
While previously a commercial app, it is now available for free on the CoreCode website , supported by informational ads about other products.
Certain SSDs from brands like Seagate (600 series), Micron , Crucial , and OWC (Aura SSD) are known to be incompatible due to how they report S.M.A.R.T. data.
A built-in History tab (added in version 1.1.0) keeps a log of every health check performed. Compatibility Notes