# IATSE 891 Heat Stress — Humidex Based Risk Assessment

> Assesses heat stress risk for workers using the Humidex Method. (iPhone/iPad app by Aura Health and Safety Corp.)

- Source: https://appshunter.io/ios/app/iatse-891-heat-stress/id6447213326 (this page in markdown: same URL + `.md`)
- Developer: [Aura Health and Safety Corp](https://appshunter.io/developer/1810514542)
- Category: Health & Fitness, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 6 MB
- Languages: American English
- Released: 2023-04-17
- Data updated: 2026-07-22
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/iatse-891-heat-stress/id6447213326/reviews.md

## What is IATSE 891 Heat Stress?

This app assesses heat stress risk for members of IATSE 891 using one of the methods acceptable to WorkSafeBC: G7.29-4 Humidex Method. This app is meant to help workers understand their heat stress risk and the measures that can be used to reduce it; as well, it can also be used by production companies and other employers to meet compliance requirements.

## Key features

- Heat stress risk assessment
- Humidex Method calculation
- WorkSafeBC compliance
- Risk reduction measures
- Worker safety information

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/iatse-891-heat-stress/id6447213326/reviews.md

### 1/5 — Can’t scroll, can’t fill out assessment

*2023-07-07*

Can’t scroll down screens (iPhone SE 3rd generation) so I can’t complete the assessment-not a good thing when you’re trying to keep your workers safe.

## Frequently asked questions about IATSE 891 Heat Stress

### What is the IATSE 891 Heat Stress app?

The IATSE 891 Heat Stress app is a tool designed to assess heat stress risks for workers using the G7.29-4 Humidex Method, which is accepted by WorkSafeBC. It helps individuals understand their risk and how to reduce it, and assists employers with compliance.

### How does the IATSE 891 Heat Stress app calculate risk?

The app utilizes the Humidex Method (G7.29-4) to calculate heat stress risk. This method is a recognized standard by WorkSafeBC for assessing the combined effect of heat and humidity on workers.

### Is the IATSE 891 Heat Stress app free to use?

Yes, the IATSE 891 Heat Stress app is completely free to download and use. There are no in-app purchases or subscription fees associated with its functionality.

### What devices support the IATSE 891 Heat Stress app?

The IATSE 891 Heat Stress app is available for iPhone, iPad, and iPod touch devices. It is designed to run on Apple's iOS operating system.

### How often is the IATSE 891 Heat Stress app updated?

The IATSE 891 Heat Stress app was last updated on June 17, 2025, with version 2.0.0. This indicates regular maintenance and potential feature enhancements.

### What is the age rating for the IATSE 891 Heat Stress app?

The IATSE 891 Heat Stress app has an age rating of 4+. This means it is suitable for users of all ages and does not contain content that would be considered inappropriate for children.

### Does the IATSE 891 Heat Stress app have ads?

No, the IATSE 891 Heat Stress app does not contain advertisements. Users can utilize its features without interruption from promotional content.

### Who developed the IATSE 891 Heat Stress app?

The IATSE 891 Heat Stress app was developed by Mona Shum. The developer is responsible for its creation, maintenance, and updates.

## Version history (last 5 releases)

### 2.0.2 — 2026-07-18

Minor bug fixes and maintenance.

### 2.0.1 — 2026-07-11

Updated age rating responses for social media questions
Minor improvements and version update to 2.0.1

### 2.0.0 — 2025-06-17

We've enhanced performance with optimized loading times for a smoother experience. Additionally, we've addressed a few bugs to enhance stability and reliability.

### 1.3.12 — 2023-07-05

Adjustment in the calculation of humidity and other changes.

### 1.3.11 — 2023-06-21

fixed problems

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## More apps by Aura Health and Safety Corp

- [Fog App by Aura](https://appshunter.io/ios/app/fog-app-by-aura/id6745035769)
- [Aura Wild Fire](https://appshunter.io/ios/app/aura-wild-fire/id6745304886)

All apps by Aura Health and Safety Corp: https://appshunter.io/developer/1810514542

## Related topics

[heat safety](https://appshunter.io/ios/topics/heat-safety)

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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 2026-07-22.*