There[SQ]s no official application called "Ultracopier" for macOS. Ultracopier is a popular file copy utility for Windows. There[SQ]s no direct equivalent with the exact same name and features on macOS.

macOS has its built-in Finder application which handles file copying, and it generally works quite well for most users. If you need more advanced features (like pausing/resuming, error handling, or queueing multiple copies), you might consider alternative third-party file managers or utilities available on the Mac App Store or other reputable sources. These would offer functionalities similar to what Ultracopier provides on Windows, but they would have different names.