About
Explore chromatic harmony and chord connections using Neo-Riemannian theory. This app visualizes chord relationships through smooth voice leading and offers a built-in theory reference.
What's New in Neo
1.0
June 11, 2026
Developer apps
FAQ
What is Neo-Riemannian theory?
Neo-Riemannian theory is a mathematical framework that describes how major and minor chords connect through smooth voice leading, focusing on semitone movements.
What are the Neo-Riemannian operations?
The app features six operations: L, P, R, N, H, and S, which connect chords by moving one or two voices by a semitone. Each button displays the target chord before activation.
What sound presets are available in Neo-Riemannian?
Neo-Riemannian offers five sound presets for its audio engine: Rhodes, Strings, Choir, Organ, and Synth Pad, all designed to sustain common tones.
Does Neo-Riemannian have ads?
No, Neo-Riemannian is an ad-free application.
What devices does Neo-Riemannian support?
Neo-Riemannian is available for iPhone and iPad.
How often is Neo-Riemannian updated?
The app was last updated on June 11, 2026, with version 1.0. Future updates will depend on developer plans.
What is the age rating for Neo-Riemannian?
Neo-Riemannian has an age rating of 4+.
What is the price of Neo-Riemannian?
Neo-Riemannian costs $2.99 and does not feature in-app purchases.