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.




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If you already know Circle Of Fifths Pro, this is the deeper bench. 201+ circle of fifths pro apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.




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.











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.


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.


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.


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.


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.


This app helps musicians understand music theory with a color-coded circle of fifths. It quickly identifies accidentals for scales and modes, and allows users to listen to various scales. A helpful guide is included to maximize its utility.




This music theory app serves as a comprehensive chord and scale dictionary for musicians. It aids in finding chords and scales by inputting keys, offers a chord progression builder, and allows users to create and save custom chords and scales. Practice and explore musical concepts with interactive tools.


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.


This application helps musicians organize music chords into harmonically strong progressions. It serves as a tool for understanding and creating musical sequences.


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.


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 music theory app serves as a comprehensive chord and scale dictionary for musicians. It offers tools for building chord progressions, exploring the circle of fifths, and creating custom libraries. Users can find chords and scales by inputting keys or using a MIDI keyboard, with options for detailed analysis and audio playback.


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.



