Violin, Cello, shifting (position movement), such as double bass is the app for practice.
【Example of use】
2 Select a sound you want to shifting practice.
By suppressing the strings with the index finger, and play the strings with the bow to the sound of the app.
Please so as to move (feeling use one beat) slowly in the glissando.
While also of arms and elbows as well as the pitch state aware, initially lets practice slowly.
Please try to practice in other finger not only one of the finger once you are familiar.
If you think good enough pitch at the time of position move in, such as etudes and repertoire does not fit, lets practice intensively.
It also recommends to try to practice a combination of all of the position as a daily basis practice.
Since this application is not only 12 of the pitch, please by, for example, take in the octave up and down depending on the instrument or position.