Essential music theory study companion
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$3.99
About
This app analyzes musical pitch class sets using post-tonal theory. It calculates normal and prime forms, displays Forte numbers, and generates interval class vectors. Users can also transpose, invert, complement, and play sets as melodies or chords, with an included overview of set theory.
✓Calculate Normal Form and Prime Form
✓Display Forte Number
✓Calculate interval class vector
✓Transpose and invert sets
✓Display set matrix
✓Sort, invert, or complement sets
✓Play sets as melody or chord
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What's New in Set Theory Calculator
2.0.3
September 13, 2026
* Added options for pitch set display styles * The matrix display now honors the pitch set display style * Bug fixes related to Forte Numbers 5-3, 7-3 and 7-34
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FAQ
What is the Post-Tonal Theory Calculator?
The Post-Tonal Theory Calculator is a tool for analyzing musical pitch class sets using post-tonal music theory. It helps composers and theorists understand the structure and relationships within atonal music.
What musical set theory concepts does the app cover?
The app calculates Normal Form, Prime Form, Forte Number, and interval class vectors for pitch sets. It also allows for transposition, inversion, and complementation of sets, and displays a set matrix.
Can I hear the pitch sets?
Yes, the Post-Tonal Theory Calculator allows you to play the notes of a defined pitch set as either a melody or a chord, helping you to audiate the theoretical concepts.
Does the Post-Tonal Theory Calculator include educational material?
Yes, the app includes a comprehensive written overview of musical set theory, providing context and explanations for the analytical tools it offers.
What devices does the Post-Tonal Theory Calculator support?
The Post-Tonal Theory Calculator is available for iPhone and iPod devices, as indicated by its supported devices list.
How much does the Post-Tonal Theory Calculator cost?
The Post-Tonal Theory Calculator is a paid application, priced at $3.99. There are no in-app purchases or advertisements associated with its use.
How often is the Post-Tonal Theory Calculator updated?
The latest version of the Post-Tonal Theory Calculator is 1.0.4, which was last updated on August 6, 2018. This indicates infrequent updates.
What is the age rating for the Post-Tonal Theory Calculator?
The Post-Tonal Theory Calculator has an age rating of 4+, making it suitable for a wide range of users interested in music theory.
