Pitchy is a best-in-class Pitch Class Set analysis tool and compositional aid for iPhone. It offers a range of features that allow musicians and composers to define, analyze, and perform various musical set theory operations on a Pitch Class Set.

With Pitchy, users can easily determine the Normal Form, Prime Form, Forte Name, and Interval Vector of a Pitch Class Set. These analysis tools provide valuable insights into the structure and characteristics of the set, helping musicians make informed compositional decisions.

In addition to analysis tools, Pitchy also includes a 12-tone Matrix Calculator, which enables users to generate matrix representations of their Pitch Class Sets. This feature is particularly useful for composers working with serialism or other 12-tone techniques.

Pitchy offers a Settings tab where users can customize the method of analysis, choosing between Forte or Rahn systems. This flexibility ensures that musicians can use the tool according to their preferred set theory framework.

Overall, Pitchy is a powerful and comprehensive tool for musicians and composers looking to explore and analyze Pitch Class Sets. Its intuitive interface and robust feature set make it a valuable addition to any musician's toolkit.