A synthesized engine voice for silent rides.

How it works

Your phone becomes the instrument cluster — GPS speed drives the voice.

  1. Mount your phone, tap Start
  2. GPS speed drives a real-time engine voice
  3. Pick a character — EV hymn to V-twin to jet

Sound personalities

One tap to switch character in the app.

  • Hyper EVCyber growl
  • AVASPedestrian hymn
  • HarleyPotato V-twin
  • SuperbikeInline scream
  • F/A-18Carrier jet

Ride access

$22/month · cancel anytime · 3-minute free preview on device.