248+ iOS apps curated and reviewed
Out of 248+ circle of fifths guide apps on iOS, 16 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (125) | No | Yes | Sep 2026 |
| 2 |  | Free | 4.9★ (222) | No | No | Jul 2026 |
| 3 |  | Free | 3.8★ (13) | No | No | Aug 2026 |
| 4 |  | Free | 1.0★ (2) | No | No | Aug 2026 |
| 5 |  | $0.99 | 5.0★ (2) | No | No | Jul 2026 |
| 6 |  | Free | 4.9★ (53) | No | No | Aug 2026 |
| 7 |  | Free | — | No | Yes | May 2026 |
| 8 |  | Free | 5.0★ (3) | No | No | May 2026 |
Master music theory with an interactive Circle of Fifths. Learn key signatures, chords in key, and chord shapes with visual aids and audio playback. Ideal for musicians of all levels to deepen their understanding of harmony.
Explore music theory with a visual representation of the 12 keys. Understand scales, compose chord progressions, and mix in key. Features color-coded relationships, key signatures, and sounded chords for each key.
Explore the relationships between musical keys and their key signatures. This app visually represents the circle of fifths, showing how sharps and flats change as you move through the chromatic scale.
Learn music theory with an interactive Circle of Fifths. Explore major and minor scales, hear them played, and understand key relationships easily. This app simplifies complex musical concepts for quick learning.
This music theory app visually represents the relationship between the 12 tones of the chromatic scale. It shows key signatures and associated major and minor keys, illustrating sharps and flats as you move clockwise or counter-clockwise.
Explore musical harmony with an interactive circle of fifths and fourths. Build melodies by selecting keys and scales, and generate proper chords. Play chords and arpeggios with the built-in player.
This app is an interactive music theory tool that visualizes the Circle of Fifths, staff, and piano relationships. It offers tutorials, ear training exercises for modes, intervals, and chords, and practice tools for improvisation and composition.
Explore all 12x7 diatonic scales interactively. This app displays and plays selected scales, offering various arrangements and views based on scale tones, fundamentals, brightness, or relationships. It allows for highlighting specific modes or freely selecting any scale.
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.
This application helps musicians organize music chords into harmonically strong progressions. It serves as a tool for understanding and creating musical sequences.
Explore and understand the full spectrum of musical notes and their relationships. Hear, visualize, and learn about thousands of unique sound combinations, from familiar scales to entirely new sonic territories. This app offers a comprehensive map of musical space for musicians and enthusiasts.
This app helps musicians practice by creating custom drone progressions, exploring harmonic relationships, and turning video lessons into practice loops. It offers a metronome, a library of chord progressions, and various sound options to enhance ear training and improvisation skills.
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.
Learn music theory with an interactive Circle of Fifths, chord charts, and scale diagrams. Includes a metronome and visual aids for guitar, bass, and piano. Ideal for musicians of all levels.
An interactive music theory training app covering classical fundamentals. It features 19 units with audio, exercises, and definitions, mirroring AP Music Theory exam curriculum. Practice skills with over 90 exercise types.
Explore music theory visually with this intuitive companion. It features rainbow-colored notes, a wide range of scales and chords, and instant key signature information. Learn intervals and understand chord progressions with multiple notation systems.
