ITGO, Interval Trainer GO, is a dedicated interval signaling application for the iPhone and iPod Touch specifically designed to offer advanced user controlled signaling in the form of vibration, sound and visual alerts while playing user-defined fast and slow interval song playlists. ITGO sets new standards for design, aesthetics and user experience for an iPhone interval trainer. This is the video tutorial.br br www.itunes.comappsITGO-IntervalTrainerGObr www.appnoose.