Arpeggio is the tool you need to obtain the number of accidentals and characteristics of a tonality and the classification of a chord or interval. Plus you can learn the music theory that applies while you're at it! It is the ultimate music calculator.

If you want to learn about the musical language or you are already starting to do so, here is the perfect complement to deepen and investigate some basic concepts. Music theory is always a bit more expensive to learn but, with this tool, the process will be much more enjoyable! Arpeggio works like a “musical calculator” giving you the ranking of any interval, chord, or key.