Eartraining 2.7.2 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The following version: 2.7 is the most frequently downloaded one by the program users.
This free program was developed to work on Mac OS X 10.5.0 or later. The software is categorized as Audio & Video Tools. We recommend checking the downloaded files with any free antivirus. The default filename for the program's installer is Eartraining-2.7.2.zip. The actual developer of this free Mac application is Lars Peters.
From the developer:
Eartraining is an application which provides intervals (up to two octaves), chords (5 different triads and 10 different seventh chords plus chord inversions), scales (20 different scales, including all modes of the major and melodic minor scales, plus three self-defined scales), statistics (which can be printed and saved to disk), etc.
You may want to check out more Mac applications, such as Dolce Ear Training or Functional Ear Trainer, which might be similar to Eartraining.