MARLVEL
Duo Accordion icon

Duo Accordionv1.1

Released November 3, 2026Major

iOS

What changed

  • New featureAdded bellows control via folding/unfolding hardware on iPhone Duo
  • UXAdaptive interface support for inner and outer displays
  • PlatformMaintained touch playing support for all compatible iPhone and iPad models

Original release notes

Play with the fold on iPhone Duo. Hold a key and open or close your phone to move the bellows and shape the sound. The instrument adapts between the inner and outer displays. Touch playing remains available on every supported iPhone and iPad.

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