DiskMaker X 9 for macOS Catalina
DiskMaker X 9 for macOS Catalina is a utility that creates bootable USB installation media for macOS Catalina, allowing users to perform fresh installs, repairs, or setup on multiple machines without downloading the full installer from the Mac App Store each time. It is targeted at IT administrators, support technicians, and power users who regularly need to reinstall macOS or provide installation media to others. The app simplifies the process of preparing bootable drives by automating the formatting and installation of system files.
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1 suggestionDiskMaker X 9 is a legacy utility designed specifically for macOS Catalina (released in 2019), and there is no clear evidence of ongoing development or native Apple Silicon support. The app's value proposition has largely been superseded by Apple's built-in tools: modern versions of macOS include the ability to create bootable installation media directly via the Disk Utility app, and the Mac App Store downloads install images that can be turned into bootable USB drives using standard tools like dd or the createinstallmedia script bundled with the macOS installer itself. Additionally, DiskMaker X 9 was designed for Catalina specifically, so even if updated, its relevance diminishes as Catalina support ends and users move to newer macOS releases. If you still need to create bootable Catalina media today, consider using Disk Utility (built in to macOS) or the command-line createinstallmedia utility provided by Apple. For any future macOS versions, use the native installation tools that ship with each release. Since there is no active development evidence for DiskMaker X 9 and no native Apple Silicon build appears to exist, the app will stop working entirely when Apple removes Rosetta 2 in macOS 28 (September 2028).
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