1. Home
  2. 🎵 Music
  3. iHarmony
iHarmony

iHarmony

Your Music Theory Companion

12 ratings
110 reviews
📚 Education
🎵 Music
$0.99

Details

Released
October 5, 2008
Updated
March 20, 2026

Features

Developer

Alberto De Bortoli
✨Promote your app ✨
iHarmony screenshot #1 for iPhone
iHarmony screenshot #2 for iPhone
iHarmony screenshot #3 for iPhone
iHarmony screenshot #4 for iPhone
iHarmony screenshot #5 for iPhone
iHarmony screenshot #6 for iPhone
iHarmony screenshot #7 for iPhone
iHarmony screenshot #8 for iPhone
iHarmony screenshot #9 for iPhone
iHarmony screenshot #10 for iPhone
iphone
ipad
📌Ready
Reviews summary↘︎
⭐110
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This app provides musicians with instant access to a comprehensive music theory reference. It includes scales, chords, harmonizations, and notes with audio playback and support for multiple notation systems. It's designed for songwriting, studying, and quick reference.

✓1500+ scales, chords, and harmonizations
✓Chord harmonizations for every scale
✓Audio playback for every entry
✓Four notation systems (English, Italian, German, French)
✓Full-text search
✓Offline functionality
Show original description

What users say about iHarmony

Reviews of iHarmony are mixed: the Music app is rated 4.8/5 from 12 App Store ratings. What users like most: quick and easy to use, great for learning scales and chords. Top complaints: audio issues (no sound, distorted sound), some incorrect notation/spelling. Summarized from real user reviews.

Positive things

  • 👍Quick and easy to use
  • 🎶Great for learning scales and chords
  • 💡Useful for songwriting and composition
  • 🎵Provides audio playback of scales/chords
  • 📚Comprehensive music theory reference
  • 📱Handy pocket tool for musicians
  • 🎹Useful for practicing and ear training
  • 🎼Well-structured and organized
  • 💰Good value for the price

Negative things

  • ❌Audio issues (no sound, distorted sound)
  • 🎛️Some incorrect notation/spelling
  • 🎨Outdated UI/design
  • ❓Confusing navigation/layout
  • 🔊Sound not matching notes
  • 🗄️Database empty/null error
See all reviews

What's New in iHarmony

6.0.0

March 20, 2026

Long overdue update of iHarmony! Vast code refresh, Liquid Glass support, migrated to SwiftUI, improved UX and increased stability.

User reviews

Most RecentHighest RatedLowest Rated

Quick and Easy Key/Scale App

Great app to quickly and easily listen to a lot of different keys, and scales to pick one for your song. This app has helped me branch out the scales I use to write songs. I wish I could save my favorite scales though.
Ccmruko

Genau was

Ich brauche
MMarple-12

Not working on iOS 12

Albert, you should update this!
S9Sound Creator 9

Wicked Good!

This app is a splendid refresher course of my Music Theory classes almost 45 years ago. Quite useful in many ways!
KKralkaverita

Harmony

Praticidade. Funcional e rápido
AAdairpsg
See 105 more reviews

Developer apps

Albert Sticker Pack
Albert Sticker Pack

by Alberto De Bortoli

🌐 Social Networking
Free
Fold: Daily Paper Puzzle
Fold: Daily Paper Puzzle

Fold the sheet. Match the ink.

🎮 Games
Free
Inkognito: Ink vs Word
Inkognito: Ink vs Word

The word lies. Or does it?

🎮 Games
Free
See developer apps

User experience

🐞

Reported Bugs

19 issues

Audio not working on iPhone

Bug

Database null error

Bug

Speaker distortion at high volume

Bug

Playback sounds stilted/uneven

Bug

Info link works irregularly or doesn't appear

Bug

Audio engine buffer fills up quickly

Bug

Some sounds do not match notes

Bug

Cb Major scale has wrong pitch

Bug

App stops working in latest version

Bug

Dominant 7 chords listed as Major 7

Bug

Major 7 chords listed as Major 7+

Bug

Major and Dominant 9 chords incorrect

Bug

Text is very small in Harmonies section

Bug

No sound from speakers

Bug

Audio playback not working after upgrade

Bug

App is completely empty

Bug

Some chords have incorrect notation

Bug

Accidental symbols in wrong place

Bug

Audio engine buffer fills up quickly

Bug
✨

Requested Features

40 requests

Save favorite scales

Feature

Add more exotic scales

Feature

Allow harmonic playback (all notes simultaneously)

Feature

Provide other theory features (harmonic substitutions, polychords, inversions)

Feature

Add a search function for chords/scales

Feature

Display scales/chords on a staff

Feature

Add a chord scratch pad for saving/exporting

Feature

Include minor major seventh chords

Feature

Add suspended 2 chords and others

Feature

Option to hear unarpeggiated chords

Feature

Allow choosing ascending OR descending scale playback

Feature

Add Roman numeral labelling

Feature

Interactive circle of fifths

Feature

Notated examples

Feature

Include scale formulas

Feature

Add George Russell Lydian Chromatic Concept scales

Feature

Zoom functionality or larger font

Feature

Piano keys indicated

Feature

Allow controlling playback speed

Feature

Repeat/loop function for listening

Feature

Link scales to chords they are used over

Feature

Show modes associated with chords

Feature

Search function by typing scale/chord symbols

Feature

View of chords/scales on a staff

Feature

North American style chord formatting

Feature

Better GUI/organizational method

Feature

Make it a universal app (iPhone/iPad)

Feature

Separate ascending/descending scale playback

Feature

Add dominant and altered dominant chords

Feature

Hear inversions of scales/chord types

Feature

Nashville # system in harmonies

Feature

All chords available in notes section

Feature

Tabs for instruments

Feature

Easy Beats direction for updates

Feature

Fix Cb Major scale pitch

Feature

Show the 8th note/tonic in listening

Feature

End scales on the ONE

Feature

Full screen without frames for viewing windows

Feature

Larger viewing windows

Feature

Better icon design

Feature

FAQ

What does iHarmony do?

iHarmony is a music theory reference app that provides instant access to a vast library of scales, chords, and harmonizations. It includes audio playback for each entry, allowing users to train their ear while studying. The app also supports four different notation systems and offers full-text search for quick retrieval of information.

What are the key features of iHarmony?

Key features include over 1500 scales, chords, and harmonizations, chord harmonizations for every scale, audio playback, support for English, Italian, German, and French notation systems, full-text search, and offline functionality. It also offers accessibility support and dark mode.

How much does iHarmony cost?

Based on the provided information, iHarmony is a paid application. It does not have in-app purchases or ads, indicating a one-time purchase model.

What music theory concepts can I find in iHarmony?

You can find a wide range of music theory concepts, including common and exotic scales like Lydian b7 and Hungarian Minor, as well as various chords and their harmonizations. The app is designed to answer questions about chord construction, scale degrees, and harmonizations for different scales.

Who is iHarmony designed for?

iHarmony is designed for a broad audience of musicians, including guitarists, pianists, composers, music students, and professionals. It is particularly useful for functional analysis of jazz standards, songwriting, and music education.