AMuseTec

pdf-notes for iPad (pdf reader/viewer, free)

Free

Comprehensive PDF Management for iPhone Users

MuseBook Tuner

Trial version

MuseBook Tuner: Accurate Instrument Tuning and Practice Aid

MuseBook Metronome

Trial version

MuseBook Metronome: Versatile Tempo Tool for Musicians

MuseBook Wav2Midi

Trial version

MuseBook Wav2Midi: Wave to MIDI Conversion Tool