11/20/2020
Phobia series version 1.8 has been released at Mac App Store. We have added Apple silicon support
 5/13/2013
Added the "Show notes on the staff in training/lesson" option which helps you learn to recognize chords by sight.
 4/27/2012
Phobia series version 1.6 has been released at Mac App Store. We no longer support Mac OS X 10.5 and older which Mac App Store is not available.
 11/3/2007
Version 1.5 of all our software supports Mac OS X Leopard (10.5). If do not have version 1.5, please download the newest software from our products page.
 2/19/2006
New version 1.2 of Phobia series are now available.
  • Universal Binary or Intel Mac products support.
  • ChordPhobia now has an option to select rootless voicings.
 12/18/2005
New site has launched.
 11/23/2005
New version 1.1 of ChordPhobia, InversionPhobia, ScalePhobia and IntervalPhobia are now available. This update includes new icons and a few changes on the effectiveness of lessons.
Ear Training Software



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Sonarism, Inc.
Mobile App and Web Development