Circle of Fifths Xtra C
A Musicians Companion
Free
A perfect tool for the creative musician
After purchase available on iPhone, iPad and Mac
This is a fully functional Circle of Fifths Xtra. However, only the key of C is available. If you find the app useful: buy the full version
Circle of Fifths Xtra – Discover Music Theory in a Visual and Intuitive Way!
Based on the successful Magic Circle of Fifths, Circle of Fifths Xtra offers a powerful and colorful way to understand and apply music theory. Perfect for both beginners and advanced musicians!
What makes Circle of Fifths Xtra unique?
• Rainbow Colors – Notes and names are intuitively linked to the colors of the rainbow.
• 25 Most-Used Scales – From major and minor to modes and jazz scales.
• Almost All Chords & Progressions – Explore chords and how they function in progressions.
• Keys & Accidentals at a Glance – Instantly see which sharps and flats belong to a key.
• Names in Multiple Notation Systems – C, D, E-, Do-Re-Mi, and the German H/B notation.
• Intervals and Explanations – Learn the meaning of intervals.
• For Anyone Curious About Music Theory – Whether you’re just starting or want to deepen your knowledge.
• Available in 6 Languages – Dutch, English, German, French, Italian, and Spanish.
This is a fully functional Circle of Fifths Xtra. However, only the key of C is available. If you find the app useful: buy the full version
Circle of Fifths Xtra is the ultimate tool to expand your musical understanding.
Download now and discover the power of the circle of fifths!
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The developer, John Gellecum, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 33.6 MB
- Category
- Music
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPad
Requires iPadOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.4 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Provider
John Gellecum
- John Gellecum has not identified itself as a trader for this app. If you are a consumer in the European Economic Area, consumer rights do not apply to agreements between you and the provider.
- Copyright
- © 2025/2026 John van Gellecum