s.mart Scales shows and plays different scales (e.g. Major, Dorian, Pentatonic, Chromatic). It shows the musical notation and the formula of a scale. It also shows the notes of the scales on the fretboard. You can explore the fretboard up to the last fret or reduce it to just three frets. The notes of the scale can be played by a simple fingertip. At the moment are 40 instruments (e.g. Guitar, Bass, Ukulele, Banjo or Mandolin) with more than 500 different predefined and custom tunings supported!