$1.99 from Data Spire
Flash Notes is the perfect way to help individuals learn to read music notes quickly. Choose if you would like to practice notes from the bass clef, treble clef, or both. Tapping on each note reveals the note name and will indicate if it is natural, flat, or sharp. Sound has also been added so that you can start associating each note with its position on the piano. A simple but effective application that will get you sight reading traditional music notes in no time.
A preferences menu allows you to narrow down which notes you would like to concentrate on by adding or removing notes on ledger lines. There are also four beautiful backgrounds that you can choose from.