Circle of Fifths Pro

Circle of Fifths Pro is a powerful, musician‑first tool for understanding keys, harmony, modes, and chord relationships. Built with a clean interface and a modern theory engine, it helps musicians visualise and explore the structure of Western music with clarity and confidence.

Features

• Interactive Circle of Fifths with major and minor keys.
• Mode Explorer: Ionian to Locrian with scale tones and patterns.
• Chord Families: tonic, subdominant, dominant, and modal interchange.
• Key Signature breakdowns with accidentals and relative keys.
• Diatonic chord mapping for every key.
• Clean, minimal interface designed for learning and exploration.
• All theory processing happens locally on your device.
• No ads, no tracking, no data collection.

Designed for Musicians

Circle of Fifths Pro is crafted to support real musical understanding. Whether you're learning harmony, composing, improvising, or teaching, the app presents theory in a way that feels intuitive and visually clear. Every interaction is designed to help you connect concepts and build confidence.

Privacy & Trust

Circle of Fifths Pro collects no personal data. For full details, see the Circle of Fifths Pro Privacy Policy.

Availability

Circle of Fifths Pro is available on both the Apple App Store and Google Play Store.

Download

Support

For assistance, feedback, or feature requests, please contact:
Email: jiarenwu1997@hotmail.com
Website: www.bamuda.com.au