Downloading RosettaTest 0.89 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. The most frequent installer filename for the program is: rosettatest.dmg.
The most popular version of the application is 0.8. This free Mac application was originally created by Werner Lonsing. 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. This application's bundle is identified as com.lonsing.RosettaTest.
From the developer:
RosettaTest is a program to indicate whether an application in Mac OS X is running natively on a Mac powered by processors from Intel or is dynamically translated by Rosetta.
If the program is translated, a small red indicator labelled 'R' is shown inside the application's icon.