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Best apps like Harmonious: Music Theory

9+ similar apps compared and reviewed

4.7 avg rating
5 free apps
Updated August 2026
Harmonious: Music Theory
🎵 Music
🔍 Reference

Looking for something like Harmonious? We've analyzed 9+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Harmonious

Piano Chords and Scales#1

Piano Chords and Scales by Sincere Apps

Learn, play and compose songs
Editor's Choice
🎵 Music
4.8😊(9.1K ratings)
FreeIn-App Purchases
Piano Chords and Scales screenshot 1
Piano Chords and Scales screenshot 2
Piano Chords and Scales screenshot 3
Piano Chords and Scales screenshot 4
Piano Chords and Scales screenshot 5
Piano Chords and Scales screenshot 6

Explore chords, scales, and progressions to compose music. Visualize musical structures on a virtual piano and staff, with interactive tools and audio playback. Ideal for musicians of all levels seeking inspiration and understanding.

What We Love

  • 🚀 Great app, great value for money
  • 👍 Useful for learning piano
  • 👍 Helpful for music production
  • 👍 Intuitive and easy to use

Room to Improve

  • 🐛 Bugs and glitches in desktop and mobile versions
  • 💰 Expensive for full version
  • 🤔 Some features not as intuitive as expected
Circle o Fifths: Music Theory#2

Circle o Fifths: Music Theory by Tim Mueller

Chord progressions and theory
Strong Contender
🎵 Music
4.8😊(1K ratings)
$2.99
Circle o Fifths: Music Theory screenshot 1
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Circle o Fifths: Music Theory screenshot 3
Circle o Fifths: Music Theory screenshot 4
Circle o Fifths: Music Theory screenshot 5
Circle o Fifths: Music Theory screenshot 6

Learn and practice music theory with an interactive circle of fifths. Explore major, minor, and diminished keys with audio recordings and guitar chord charts. Visualize chord relationships and transpose songs easily.

What We Love

  • 👍 Simple and user-friendly
  • 🚀 Helpful introduction to music theory
  • 💡 Great tool to learn the circle of fifths
  • 🎨 Useful for songwriting and chord progressions

Room to Improve

  • 🐛 Sizing/formatting issues on smaller screens
  • 🐛 Touch responsiveness issues
  • 🐛 Incorrect chord samples (B major sounding like Emajor)
TONALY: Songs, Scales & Theory#3

TONALY: Songs, Scales & Theory by Christian Hengst Daniels

Chord Progressions & Practice
Worth Considering
🎵 Music
4.8😊(6.3K ratings)
FreeIn-App Purchases
TONALY: Songs, Scales & Theory screenshot 1
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TONALY: Songs, Scales & Theory screenshot 3
TONALY: Songs, Scales & Theory screenshot 4
TONALY: Songs, Scales & Theory screenshot 5
TONALY: Songs, Scales & Theory screenshot 6

This app helps musicians of all levels write songs, find chords, and learn music theory. It offers tools for chord and scale practice, MIDI and PDF export, and collaboration features for songwriters and producers.

What We Love

  • 👍 Intuitive and easy to use
  • 🚀 Helpful for learning music theory
  • 💡 Useful for songwriting and composing
  • 👍 Clean and visually appealing design

Room to Improve

  • 🔒 Paywall for additional scales and features
  • 🐛 Occasional glitches and crashes
  • 🔒 Limited chord and rhythm customization options

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