Stop memorising chords. Start understanding why they work together.

CIRCLECRAFT PRO — NOW AT A LOWER PRICE!

Enjoy CircleCraft for free, or unlock longer chord progressions and powerful learning tools with a one-time Pro purchase at a new, lower price. No subscriptions.

CircleCraft is an interactive Circle of Fifths and guitar music theory app for guitarists, songwriters, students and musicians who want to explore harmony, understand chord relationships and create better progressions.

Explore keys, discover chords, build progressions of up to three chords and hear your ideas come to life — FREE.

FREE FEATURES

• INTERACTIVE CIRCLE OF FIFTHS

Explore major and minor keys, related chords and the connections between musical keys.

• COLOUR-CODED HARMONY

See diatonic chords grouped by harmonic function, with Roman numerals showing each chord's role.

• CHORD PROGRESSION BUILDER

Select chords directly from the Circle of Fifths to create progressions of up to three chords in Free. Pro removes this limit.

• GUITAR CHORD PLAYBACK

Hear your progressions played with guitar sounds and discover which combinations work together.

• TRIADS AND SEVENTH CHORDS

Explore major and minor harmony using diatonic triads and seventh chords.

• SAVE AND LOAD

Save your ideas and revisit them later. Free supports progressions of up to three chords; longer saved progressions require Pro.

• COMMON PROGRESSIONS

Explore familiar patterns, including the 12-bar blues. Longer presets can be previewed in Free but require Pro to load or edit.

• SUGGEST NEXT CHORD

Discover harmonically related chord suggestions when you're looking for your next musical idea.

• TRANSPOSE

Move progressions between keys while preserving their harmonic relationships.

UNLOCK CIRCLECRAFT PRO — NOW MORE AFFORDABLE!

Upgrade with a one-time purchase to unlock:

• UNLIMITED CHORD PROGRESSIONS

Remove the three-chord limit to create, save, load and play longer musical ideas.

• HARMONIC ANALYSIS

Explore Progression Intelligence to understand chord functions, harmonic relationships and cadences.

• LEARN

Develop your understanding of keys, harmony and chord relationships through interactive learning activities.

• PRACTICE

Test your knowledge of chord functions, Roman numerals and chord progressions through interactive exercises.

• EAR TRAINING

Develop your musical ear by recognising chords, harmonic relationships and cadences through listening exercises.

• MIDI EXPORT

Export your chord progressions as MIDI files for compatible music software, including longer progressions created with Pro.

One purchase unlocks all Pro features. No subscription or recurring fees.

WHO IS CIRCLECRAFT FOR?

Whether you're a beginner learning the Circle of Fifths, a guitarist exploring harmony, a music student studying chord functions or a songwriter developing progressions, CircleCraft makes music theory visual, practical and interactive.

Understand not just which chords work together, but why.

Explore CircleCraft for free today!

ENJOYING CIRCLECRAFT?

If you find CircleCraft useful, please consider leaving a rating or review on Google Play. Your feedback helps us improve the app and develop new features. Every review is appreciated!