iPhone Screenshots


Used in the making of violin family of instruments, the Density Calculator will calculate the volume, density, speed of sound and radiation ratio from the associated measurements.

There is also a tone generator included for judging the frequency of the wood.

What’s New

Version 2.1

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

Updated to run in iOS 10

App Privacy

The developer, Gene Backlin, 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

    With Family Sharing set up, up to six family members can use this app.

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