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Crossfader: Revolutionizing Music Mixing

Creating an intuitive DJ app for mobile devices

Overview

Crossfader was designed to bring the joy of DJʼing to everyone with a smartphone. As the lead designer, I focused on creating an interface that was both powerful and intuitive. We developed unique gesture controls that made mixing feel natural on a touch screen. The app also included social features that allowed users to share their mixes and connect with other DJs worldwide. Crossfaderʼs success demonstrated the potential of mobile devices for creative musical expression.

Crossfaderʼs main mixing interface

Crossfaderʼs main mixing interface

Animation for the `live streaming` affordance

Animation for the `live streaming` affordance

Some UI from the last version

Some UI from the last version

Onboarding animations composed of stop-motion-style illustration traced from hands

Onboarding animations composed of stop-motion-style illustration traced from hands

Challenges

  • Technical breakthroughs and constraints - on the cutting edge of what devices can handle
  • Designing an intuitive touch interface for complex mixing actions
  • Creating a social platform for DJs to share their mixes
  • Balancing professional features with accessibility for beginners

Solutions

  • Invented a novel social sharing pattern that encouraged remixing
  • Created an adaptive UI that grows with user skill

Results

  • Achieved over 1 million downloads globally
  • Featured in App Store
  • Cultivated a vibrant community of mobile DJs
  • Received multiple awards for mobile innovation

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