Interval Ear Training App for iOS
''Interval Ear Training is a fun, simple, and free way to learn musical intervals by ear.'
'Developed by Berklee College of Music alum Brian Schachter, this app is ideal for musicians and music students.
Interval Ear Training can help improve:
• Sense of pitch
• Transcription skills
• Improvising skills
• And of course, "bragging rights" to fellow musicians'
This is a free app