iPhone Screenshots


STS Calculator is used to enter in left and right ear decibel levels to determine if an OSHA audiometric test has a Standard Threshold Shift or Possible OSHA Recordable.

What’s New

Version 1.3

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

Updated with 64 bit support and larger iPhone screen sizes/

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

HI rider ,


Excellent app, quick, accurate and age adjusted. Happy I found it. Kudos!

JimKurz ,


Great App! Provides Standard Threshold Shift information quickly

App Privacy

The developer, Workplace Integra, 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.

You May Also Like