# STS Calculator

> Calculates OSHA audiometric test results for Standard Threshold Shift or Possible Recordable. (iPhone/iPad app by Workplace Integra Inc.)

- Source: https://appshunter.io/ios/app/sts-calculator/id628653907 (this page in markdown: same URL + `.md`)
- Developer: [Workplace Integra Inc](https://appshunter.io/developer/628654210)
- Category: Utilities, Medical
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 13 MB
- Languages: American English
- Released: 2013-04-12
- Data updated: 2026-08-18
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/sts-calculator/id628653907/reviews.md

## What is STS Calculator?

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.

## Key features

- Input decibel levels for left and right ears
- Determine Standard Threshold Shift
- Identify Possible OSHA Recordable results
- OSHA audiometric test analysis

## Chart rankings

- #194 in Top Paid · Utilities (US App Store)

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/sts-calculator/id628653907/reviews.md

### 5/5 — MD

*2014-10-29*

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

### 4/5 — Nurse

*2014-01-29*

Great App!  Provides Standard Threshold Shift information quickly

## Frequently asked questions about STS Calculator

### What is the STS Calculator used for?

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

### How much does STS Calculator cost?

STS Calculator is a paid app and costs $0.99.

### What devices is STS Calculator available on?

STS Calculator is available for iPhone and iPod devices.

### What is the age rating for STS Calculator?

STS Calculator has an age rating of 4+.

### When was STS Calculator last updated?

STS Calculator was last updated on May 2, 2017, with version 1.3.

### Does STS Calculator have ads?

No, STS Calculator does not contain advertisements.

### What is the user rating for STS Calculator?

STS Calculator has a high rating of 5.0 stars based on 1 rating.

### Can STS Calculator be used offline?

The description does not specify offline functionality, but it is a utility app that likely performs calculations locally.

## Version history (last 4 releases)

### 1.3 — 2017-05-02

This app has been updated by Apple to display the Apple Watch app icon.

Updated with 64 bit support and larger iPhone screen sizes/

### 1.2 — 2014-07-10

STS and Possible Recordable results can now be  calculated with different left and right ear baselines.

Made various iOS 7 changes and bug fixes.

### 1.1 — 2013-04-19

Fixed the Contact Workplace Email address problem.

### 1.0 — 2013-04-12

No release notes.

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## More apps by Workplace Integra Inc

- [INTEGRAfit](https://appshunter.io/ios/app/integrafit/id731462963)

All apps by Workplace Integra Inc: https://appshunter.io/developer/628654210

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*