Interval Training - Piano Ear Training App

Tutorial on Interval Training exercise in Piano Ear Training. Given 2 notes, can you determine what the interval is between them. App encourages you to associate intervals to songs to help.

Piano Ear Training App (Free / Pro)
Android: https://play.google.com/store/apps/details?id=com.veitch.themelodymaster.phl
iOS: https://itunes.apple.com/us/app/piano-ear-training/id570615299
Learn To Master Apps: http://www.learntomaster.com/learntomaster_apps.html