The 1.3 version of Mouse Rate for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The software lies within System Tools, more precisely Device Assistants. The actual developer of this free Mac application is czpavel.
From the developer:
Mouse Rate is an OS-independent mouse rate checker written in Java programming language. The application provides an OS-independent and clean algorithm to measure your mouse rate (mouse latency). The tool offers comparable results across all operating systems.
You may want to check out more software for Mac, such as Favorites: The File Manager to Rate and Discover, Level 10 M mouse or Rats-and-Spears, which might be related to Mouse Rate.
Device Assistants