# iHarmony — Your Music Theory Companion

> Comprehensive music theory reference for scales, chords, and harmonizations with audio playback. (iPhone/iPad app by Alberto De Bortoli.)

- Source: https://appshunter.io/ios/app/iharmony/id292413210 (this page in markdown: same URL + `.md`)
- Developer: [Alberto De Bortoli](https://appshunter.io/developer/292413213)
- Category: Music, Education
- Price: $0.99
- Rating: 4.80/5 from 12 App Store ratings · 110 written reviews indexed
- Age rating: 4+
- Requires: iOS 26.0 · 5 MB
- Languages: American English, Bulgarian, Catalan, Dutch, French (France), German (Germany), Hindi, Italian, Japanese, Korean and 5 more
- Released: 2008-10-05
- Data updated: 2026-08-26
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/iharmony/id292413210/reviews.md

## What is iHarmony?

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.

## Key features

- 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

## What do users think of iHarmony?

Overall sentiment: mixed

**Pros**

- 👍 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

**Cons**

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- 🎨 Outdated UI/design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

**Commonly reported bugs**

- Audio not working on iPhone
- Database null error
- Speaker distortion at high volume
- Playback sounds stilted/uneven
- Info link works irregularly or doesn't appear
- Audio engine buffer fills up quickly
- Some sounds do not match notes
- Cb Major scale has wrong pitch
- App stops working in latest version
- Dominant 7 chords listed as Major 7
- Major 7 chords listed as Major 7+
- Major and Dominant 9 chords incorrect
- Text is very small in Harmonies section
- No sound from speakers
- Audio playback not working after upgrade
- App is completely empty
- Some chords have incorrect notation
- Accidental symbols in wrong place
- Audio engine buffer fills up quickly

**Most requested features**

- Save favorite scales
- Add more exotic scales
- Allow harmonic playback (all notes simultaneously)
- Provide other theory features (harmonic substitutions, polychords, inversions)
- Add a search function for chords/scales
- Display scales/chords on a staff
- Add a chord scratch pad for saving/exporting
- Include minor major seventh chords
- Add suspended 2 chords and others
- Option to hear unarpeggiated chords
- Allow choosing ascending OR descending scale playback
- Add Roman numeral labelling
- Interactive circle of fifths
- Notated examples
- Include scale formulas
- Add George Russell Lydian Chromatic Concept scales
- Zoom functionality or larger font
- Piano keys indicated
- Allow controlling playback speed
- Repeat/loop function for listening
- Link scales to chords they are used over
- Show modes associated with chords
- Search function by typing scale/chord symbols
- View of chords/scales on a staff
- North American style chord formatting
- Better GUI/organizational method
- Make it a universal app (iPhone/iPad)
- Separate ascending/descending scale playback
- Add dominant and altered dominant chords
- Hear inversions of scales/chord types
- Nashville # system in harmonies
- All chords available in notes section
- Tabs for instruments
- Easy Beats direction for updates
- Fix Cb Major scale pitch
- Show the 8th note/tonic in listening
- End scales on the ONE
- Full screen without frames for viewing windows
- Larger viewing windows
- Better icon design

## Recent user reviews (10 of 110)

All indexed reviews: https://appshunter.io/ios/app/iharmony/id292413210/reviews.md

### 5/5 — Quick and Easy Key/Scale App

*2020-05-18*

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.

### 5/5 — Genau was

*2019-05-31*

Ich brauche

### 5/5 — Not working on iOS 12

*2018-09-27*

Albert, you should update this!

### 5/5 — Wicked Good!

*2017-11-28*

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

### 5/5 — Harmony

*2017-08-01*

Praticidade.  Funcional e rápido

### 5/5 — An outstanding App

*2017-05-13*

This App is Outstanding

### 5/5 — Very helpful and well structured

*2017-05-01*

For musicians building their ears this app is really helpful. I like the simplicity of the structure and different options for playback. It takes years to build your ears and tools like this are very helpful in providing options.

### 5/5 — Excellent!

*2016-09-20*

Very useful app. It's helping me to understand different scale modes.

### 4/5 — Nicely designed app working on audio issue

*2016-04-24*

This is a nicely designed app and worth it for the visual content but, so far, I have not been able to get audio to work in iphone.

### 5/5 — Really good app

*2016-02-18*

Enjoy this app a lot

## Frequently asked questions about iHarmony

### 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.

## Version history (last 5 releases)

### 6.0.0 — 2026-03-20

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

### 5.0.2 — 2020-05-24

Complete app redesign from the ground up!

This patch update includes:
- ability to copy any entry via swiping left on the cell
- fix some entries not showing triple alterations

### 5.0.1 — 2020-05-17

Complete app redesign from the ground up!

### 5.0 — 2020-05-16

Complete app redesign from the ground up!

### 4.2 — 2019-09-09

* It is now possible to publicly propose content updates by opening a pull request on GitHub!

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## More apps by Alberto De Bortoli

- [Albert Sticker Pack](https://appshunter.io/ios/app/albert-sticker-pack/id1153428835)

All apps by Alberto De Bortoli: https://appshunter.io/developer/292413213

## Related topics

[post-tonal](https://appshunter.io/ios/topics/post-tonal)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*