Circle of Fifths helps musicians see key signatures, chord relationships, modulation paths, and tonal movement without turning theory into a wall of text.
A focused breakdown of the workflows this app is designed to support.
Circle of Fifths is completely free. You may occasionally see recommendations for other Melodic Mind apps that fit your workflow.
Circle of Fifths is completely free to use. Open it in your browser and use the full experience without a subscription.
A cleaner, distraction-free Circle of Fifths experience.
If you want a more focused experience, Ad-Free removes those recommendations and helps support ongoing development.
Move between dedicated tools, focused instruments, and larger creative workspaces without leaving the same product ecosystem.
Explore scales, chords, and progressions in a way you can actually hear.
A mobile-first music studio for building real tracks.
Clean up, shape, and export audio without opening a full studio.
Turn sounds into playable ideas.
Guided vocal practice that adapts to your voice.
Turn your mix into a cleaner, louder, more finished song.
Train your ear with structure, repetition, and clear progress.
Create chord progressions with theory, sound, and flow.
A deep synth that stays playable.
A playable piano with sounds, theory tools, and recording built in.
A playable guitar for chords, riffs, sketches, and ideas.
Play string textures, chords, and orchestral sketches online.
Build beats quickly with playable pads and ready-to-use kits.
Record, organize, edit, and polish audio in one place.
A focused workspace for lyrics, recordings, and song ideas.
Play rich chords instantly with organ-style control.
Understand keys, chords, and movement around the circle.
Compare scales side by side and find what really changes.
Hear and understand modes through real musical context.
A clean metronome built for real practice.
Loop the exact part of a song you need to practice.
See pitch in real time as you sing or play.
A fast tuner that does not get in your way.
Circle of Fifths helps musicians see key signatures, chord relationships, modulation paths, and tonal movement without turning theory into a wall of text.
Circle of Fifths is free to use. There is one optional No Ads option for $2 / month if you want a cleaner, recommendation-free experience.
If you want a more focused experience, Ad-Free removes those recommendations and helps support ongoing development.
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.
Circle of Fifths is especially useful for music theory, teaching, songwriting, harmonic analysis.
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.