Scales Pro: Circle of Fifths vs Circle of Fifths Usage & Stats
Master music theory with an interactive Circle of Fifths wheel, chord charts, scale diagrams, and a precision metronome - all in one app.
INTERACTIVE CIRCLE OF FIFTHS
Swipe the wheel to explore all 12 keys. Tap any note to hear it. Instantly see the relationship between major and minor keys, sharps, and flats.
SCALES & MODES
Visual fretboard and keyboard diagrams for:
- Major, Natural Minor, Harmonic Minor
- Pentatonic (Major & Minor), Blues
- All 7 modes: Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian
CHORD LIBRARY
Piano chord charts for Major, Minor, Dominant 7th, Major 7th, and Minor 7th - generated instantly for any key.
METRONOME
Keep perfect time while you practice scales and chords.
INSTRUMENTS
Guitar, Bass Guitar, and Piano - with color-coded diagrams for easy learning.
Perfect for guitar players, pianists, music students, songwriters, and anyone learning music theory. No internet required.
https://www.apple.com/legal/internet-services/itunes/dev/stdeula
- Apple App Store
- Free
- Music
Store Rank
- -
The circle of fifths (Sometimes called circle of fourths) is a great tool for understanding the music theory behind the 12 keys of the chromatic scale. It is useful for visualizing the music notation of the different scales, composing chord progressions/modulations and mixing in key.
Features:
- Color-coded relationship between the major, minor and diminished keys
- Key signature and triad for each key
- A sounded chord/arpeggio for each key (With mute/unmute toggle)
- Ability to lock the circle to currently selected key
- A tappable legend indicating the degree of each key in the currently selected group
- Several color schemes
- Modern UI following material design guidelines
I hope you enjoy using this circle of 5ths app as much I as I enjoyed making it! Have fun! - Josh
- Apple App Store
- Free
- Music
Store Rank
- -
Scales Pro: Circle of Fifths VS. 
Circle of FifthsAugust 30, 2026