About this app
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.
Latest release
What’s New
Long overdue update of iHarmony! Vast code refresh, Liquid Glass support, migrated to SwiftUI, improved UX and increased stability.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Sep 14, 2026 · 3:08 AM $0.99
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