Chord Trees
Visualize Chords & Harmony
Free · Designed for iPad. Not verified for macOS.
Chord Trees is an interactive harmony practice tool by Nathaniel School of Music for musicians who want to see, hear, and understand how chords connect.
Build chord trees from notes, explore diatonic harmony, compare piano inversions and guitar fingerings, and loop arpeggios with real instrument sounds. The app is designed for students, songwriters, producers, and teachers who want a visual way to internalize chord progressions.
FEATURES
* Interactive chord tree visualization
* Piano chord inversions and keyboard layouts
* Guitar chord fingerings and voicing options
* Diatonic mode with major-scale harmony and modes
* Arpeggio loop playback for ear training
* Instrument combinations including piano, guitar, strings, brass, synth, harp, and marimba
* Beginner, intermediate, and advanced learning modes
* Works without an account
BY NATHANIEL SCHOOL OF MUSIC
Built for practical music learning, chord fluency, and composition practice.
Ratings & Reviews
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
- Seller
- Jason Zachariah
- Size
- 3 MB
- Category
- Education
- 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