Here is a list of some apps that are available for your iPods and iPhones that are both helpful and fun!
Vocal:   Virtuoso piano
            Do- Re-Mi Ear Training
            Vocal Training
Metronomes:   Metronome
                        Steinway Metronome
Tuners:    PanoTuner
               Epic Chromatic Tuner
               Pitch Me
Music Display:  forScore
                        Steinway Etude
                        Garage Band
Instruments: JoyTunes Recorder Master
                    Magic Piano
                    My Note Games
                    Music for Little Mozarts
                    A+ HandDrumKit 
                    iTabla Pro
                    Piano DX
Feel free to email me ( if you find other apps that we musicians would like!