Archived App (Last seen on 7 Oct 2025)
This is an archived listing of the app previously available on the App Store.
This music theory tool helps analyze collections of pitch classes. It calculates normal form, prime form, and interval vector, and visualizes transpositions and inversions on a clock face or keyboard.
1.0.4
April 15, 2020
Fixed a typo! Db is now 1 instead of Eb... Whoops.
Set Class Calculator is used for analyzing collections of pitch classes. It helps users quickly calculate and visualize normal form, prime form, interval vector, and relationships between set classes.
No, Set Class Calculator does not contain advertisements. It is a completely ad-free application.
Set Class Calculator is available on iPhone, iPad, and iPod devices.
The latest version of Set Class Calculator is 1.0.4, which was last updated on April 15, 2020. The app was initially released on April 2, 2020.
Set Class Calculator has an age rating of 4+, making it suitable for a wide range of users.
Yes, Set Class Calculator allows you to input notes using a mini-piano keyboard in addition to a pitch-class clock face.
Key analytical features include calculating the Normal Form, Prime Form, and Interval Vector of pitch class sets. It also lists all transpositions and inversions.
Set Class Calculator offers a clock face mode where each transposition and inversion is represented visually. Common tones are highlighted, and inversional mappings are shown.
