The app displays fingerings for Violin, Viola, Cello, and Double Bass, including Simandl and Rabbath positions. Users can see and hear notes, intervals, or chords on the piano and utilize key signatures for easier fingering identification.
The app provides four simultaneous animated visual strobe displays for tuning E, A, D, and G strings on a bass guitar. It uses the iPhone's microphone for tuning and offers responsiveness in fine-tuning.
The app provides 74 tunings for the Koto instrument, developed by Chieko Mori. It allows users to tune by ear, study scales, and play with various tunings, including those used in her compositions and Koto Studio lessons.