UltraCat is a macOS menu bar utility that lets you monitor system status, control fans, and manage sleep settings.
The source code is not publicly available. This repository is used for app distribution and update delivery.
You can download the latest version from GitHub Releases.
After downloading the DMG file, open it and drag UltraCat into the Applications folder to install it.
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UltraCat supports automatic updates powered by Sparkle.
Fan control and some power management features require approval for the macOS helper.
When you use fan control or related features for the first time, a permission prompt may appear. In that case, allow UltraCat helper in System Settings, then quit and reopen UltraCat.
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- macOS 26.4 or later