OP-Z Modes 4+

OP-Z circle of 5ths calculator

Roger Mepham

    • 4.8 • 4 Ratings
    • £0.89



Use this tool to discover the scale notes and seven chords for any musical mode used by the OP-Z.

Choose a note like G and a mode like Dorian and all the scale notes will be displayed on a simulation of the OP-Z keyboard as well as the three Major and three minor chords that go with the Scale/Mode plus the Diminished chord as well.

What’s New

Version 2.1

Faster display of chords and scales.
Disabled display lock with a switch to enable if required.
Corrected circle of 5ths Em text.

Ratings and Reviews

4.8 out of 5
4 Ratings

4 Ratings

App Privacy

The developer, Roger Mepham, 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.

Privacy practices may vary based on, for example, the features you use or your age. Learn More


  • Family Sharing

    Up to six family members can use this app with Family Sharing enabled.

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