Scale Dictionary offers a convenient way to explore musical scales on the guitar. With 130 unique scales that can be viewed in any key, Scale Dictionary is the definitive guide for guitarists of all levels. With 24 frets, you can choose to display note names, intervals, or leave each note blank. The app has the ability to turn on/off the visibility of the note names or intervals. Scale Dictionary has a standard tuning but it can also deploy user-defined tuning of any possible combination.