The 3.3.6 version of Music Converter Pro - Batch Convert Audio 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. This software for Mac OS X is a product of UT Team Inc. Music Converter Pro - Batch Convert Audio for Mac lies within Audio & Video Tools, more precisely Editors & Converters. We recommend checking the downloaded files with any free antivirus.
From the developer:
Music Converter Pro - Batch Convert Audio lets you quickly and simply convert your albums and sound files to all popular music formats. It also lets you apply advanced custom settings (bit rate, sample rate, etc.).
You may want to check out more software for Mac, such as OLM Converter Pro, MXF Converter Pro or WMA Converter Pro, which might be similar to Music Converter Pro - Batch Convert Audio.