Suggested Music Theory Apps:
Tenuto: Practice identifying notes, key signatures, intervals, scales, chords, and ear training.
The Piano Free: A mini piano for ear training
Interval ET: Test your ear by matching the interval name to what you hear
Pocket Pitch: Plays any specific pitch you want to hear!
Functional Ear Trainer: More ear training (a more comprehensive approach)
Earpeggio: Ear training with intervals, melodic dictation, and basic rhythm dictations
Pro Metronome: A metronome (provides a set tempo to practice rhythm dictations)