iHarmony
Your Music Theory Companion
Free · Designed for iPad
1500+ scales, chords & harmonizations. Audio playback, full-text search, and four notation systems — offline, always. The essential reference for every musician.
The ultimate music theory reference for every musician.
iHarmony gives you instant access to scales, chords, harmonizations, and notes — all in one beautifully designed app. Whether you're preparing for a jam session, writing a song, studying jazz theory, or doing your music homework, iHarmony has the answer.
• 1500+ scales, chords, and harmonizations
• Chord harmonizations for every scale
• Audio playback for every entry — train your ear while you study
• Four notation systems: English (C, D, E), Italian (Do, Re, Mi), German (C, D, H), French (Ut, Re, Mi)
• Full-text search — find any scale or chord in seconds
• Works offline — no internet required
Stop searching the web for:
"What notes make up a G# diminished 7 chord?"
"What are the degrees of the Bebop Dominant scale?"
"What's the harmonization of D# Melodic Minor?"
iHarmony answers these instantly. Over 1500 entries covering common and exotic scales alike — from the Lydian b7 to the Neapolitan, from Whole Tone to Hungarian Minor.
Designed for guitarists, pianists, composers, music students, and professionals. Perfect for functional analysis of jazz standards, songwriting, and music education.
Full VoiceOver and accessibility support.
Dark mode supported.
A must-have for every musician.
Long overdue update of iHarmony! Vast code refresh, Liquid Glass support, migrated to SwiftUI, improved UX and increased stability.
The developer, Alberto De Bortoli, 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
- Alberto De Bortoli
- Size
- 4.7 MB
- Category
- Music
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- Languages
English and 14 more
- English, Bulgarian, Catalan, Dutch, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Swedish, Turkish
- Age Rating
4+
- 4+
- Copyright
- © 2026 Alberto De Bortoli