Cantus - Voicing Lab
Chord voicing explorer
Free · Designed for iPad. Not verified for macOS.
Cantus - Voicing Lab is an interactive harmony and chord-voicing tool by Nathaniel School of Music for pianists, composers, producers, and music theory students.
Explore how notes move inside chords, hear voicings in context, and study color, tension, and modal relationships from the keyboard. Cantus is designed as a focused practice lab: pick a sound, inspect the voice leading, and build intuition for how harmony feels under your hands.
FEATURES
* Interactive chord and voicing explorer
* Piano keyboard visualization
* Modal and scale-based harmony practice
* Voice-leading movement and pinboard-style comparison
* Tone.js audio playback
* Self-hosted fonts and bundled web assets
* Works without an account
BY NATHANIEL SCHOOL OF MUSIC
Built for practical harmony learning, composition practice, and deeper chord fluency.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
Improves iOS audio playback reliability and native app behavior.
The developer, Jason Zachariah, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Jason Zachariah
- Size
- 3 MB
- Category
- Music
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Nathaniel School of Music