RECOMMENDED APPS
pro metronome (Free)
I highly recommended using a metronome for practice. This one has a loud click and an easy-to-use interface.
Cleartune
This is an excellent tuner that has a clean interface and is easy to use.
TENUTO
A great app with lots of exercises to practice music theory and ear-training skills.
ForScore
This is the best app for organizing your sheet music library on an iPad.