Music Guru
Explore scales, chords, and progressions in a way you can actually hear.
Installable web app for every device
Also on App Store · Google Play
Built for real musical work
Circle of Fifths helps you move from idea to action faster
Circle of Fifths helps musicians see key signatures, chord relationships, modulation paths, and tonal movement without turning theory into a wall of text.
Great fit for
music theoryteachingsongwritingharmonic analysis
Core workflow
What you can do with Circle of Fifths
A focused breakdown of the workflows this app is designed to support.
01
Visualize key signatures and harmonic relationships in one glance.
02
See how chords relate inside each tonal center.
03
Explore modulation paths for smoother key changes.
04
Use it alongside songwriting, arranging, and music theory study.
Access options
Prefer a cleaner experience?
Circle of Fifths is completely free to use. You may see recommendations for other Melodic Mind tools that fit your workflow.
Ad-Free
$2/ month
A cleaner, distraction-free Circle of Fifths experience.
No cross-app recommendations
Keep the experience focused
Support future development
If you want a more focused experience, Ad-Free removes those recommendations and helps support ongoing development.
All products
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Circle of Fifths
Understand keys, chords, and movement around the circle.
Installable web app for every device
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Loved by Creators Worldwide
Questions about Circle of Fifths
General
What is Circle of Fifths?
Circle of Fifths helps musicians see key signatures, chord relationships, modulation paths, and tonal movement without turning theory into a wall of text.
How much does Circle of Fifths cost?
Ad-Free: $2 / month
If you want a more focused experience, Ad-Free removes those recommendations and helps support ongoing development.
How can I use Circle of Fifths on my device?
Circle of Fifths works in the browser, and you can install it as a web app for a more native feel. The browser version is the main way to access it right now.
Features
What can I do with Circle of Fifths?
- Visualize key signatures and harmonic relationships in one glance.
- See how chords relate inside each tonal center.
- Explore modulation paths for smoother key changes.
- Use it alongside songwriting, arranging, and music theory study.
Who is Circle of Fifths best for?
Circle of Fifths is especially useful for music theory, teaching, songwriting, harmonic analysis.
Technical
Which devices can run Circle of Fifths?
Circle of Fifths works on modern browsers across phone, tablet, and desktop. For the best experience, install it as a web app from your browser when that option is available.