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On The Go Intervals

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On The Go Intervals is a fun little application that quizzes you on musical intervals. Professional and amateur musicians alike can get the aural practice they need whenever they have a few minutes on the go.

A clean, easy to use interface makes learning a breeze. OTG Intervals also supports multiple difficulty settings and gives you an active score count, so you can see how you're doing! Gaining aural skills has never been this easy. A must for musicians of all skill levels!


  • Clean, easy to use interface.
  • Supports practicing a single root, or all roots.
  • Keeps score so you can see how you're doing.
  • Three difficulty levels to help you ease into learning.
  • Contains all Diatonic and Chromatic musical intervals.


    New in Version 2.0, Out Now:
  • The "Custom" difficulty setting is now available! Select any combination of intervals available to master the trickiest of quizzes.
  • The instructions dialog can now be opened at any time, in addition to popping up at launch.
  • Control whether the interval is played arpeggiated or chorded.