This app is used to determine how delayed a sound will be between two points on the marching field.

Simply enter the tempo and set the distance on the field and the app will return the delay:
- approximated to the closest note value
- in milliseconds (ms)
- as a fraction of 1 beat

Additionally, past calculations can be saved for future reference.

This app is also a good resource to better your understanding of sound delay and learn best practices for managing sound delay in a marching ensemble.

Get clear and informative tips for:
- Metronome Placement
- Section Responsibilities as it relates to sound delay

What’s New

Version 1.1

This app has been updated by Apple to use the latest Apple signing certificate.

- Minor layout issues and errors resolved

App Privacy

The developer, Nikhil Patel, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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