# Who's Responding? vs Cold Stress Calculator

The clearest difference is review sentiment: Cold Stress Calculator at 100% against Who's Responding?'s 32%. Cold Stress Calculator also leads on monetization model (free vs subscription) and iOS requirement (12.0 vs 16.4). Who's Responding?'s advantage is update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Who's Responding? ships an update fortnightly, Cold Stress Calculator every 4 months. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Who's Responding? | Cold Stress Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/whos-responding/id951921253/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 31.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Subscription | **Free** |
| Size | 133 MB | 28 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fluent Information Management Systems, Inc.](https://appshunter.io/developer/951921252) | [Occupational Health Clinics for Ontario Workers](https://appshunter.io/developer/930198232) |

## What reviewers say

### Who's Responding?

[App page](https://appshunter.io/ios/app/whos-responding/id951921253)

This app facilitates rapid alerting and coordination for specialized teams, groups, and individuals. It offers customizable notifications, real-time tracking, and access to digital resources for efficient incident response and operational management.

**Highlights:** Customized notifications, Real-time tracking, Navigation to incident locations, Live radio streaming, Hands-free alert speaking, Mapping tools, Digital resource access

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great app for firefighters
- 🚀 Fast alerts, often before pagers
- 💡 Good communication and member coordination
- 💡 Customizability for specific needs
- 💡 New features and improvements noted

**What reviewers complain about**

- 🐛 Unreliable notifications/alerts
- 🐛 App crashes frequently
- 🐛 Black screen issues
- 🐛 App freezes or won't load
- 🐛 Auto radio function unreliable

**Reported bugs**

- App not alerting to incidents/calls
- Auto radio function not turning on
- Locked out of active departments after resigning from one
- App not loading after last update
- App not notifying phone or watch of pages

**Requested features**

- Add something for repeat addresses
- Add a feature to see who is available on the main screen
- Apple Watch app for availability status
- History of calls and attendance tracking
- Option to listen to different departments within the county


### Cold Stress Calculator

[App page](https://appshunter.io/ios/app/cold-stress-calculator/id6479453055)

This utility app helps determine necessary precautions against cold stress by calculating adjusted outdoor temperatures based on wind speed. It estimates the cooling power of the environment to prevent adverse health effects like frostbite and hypothermia.

**Highlights:** Calculate adjusted outdoor temperature, Estimate wind chill temperature, Assess cold stress risks, Prevent frostbite and hypothermia, Supports English and French

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Who's Responding? free?

Who's Responding? is free to download, with no in-app purchases.

### Is Cold Stress Calculator free?

Cold Stress Calculator is free to download, with no in-app purchases.

### Do Who's Responding? or Cold Stress Calculator have ads?

Neither Who's Responding? nor Cold Stress Calculator shows ads.

### Which is updated more often, Who's Responding? or Cold Stress Calculator?

Who's Responding? ships an update fortnightly, and Cold Stress Calculator every 4 months. Most recently, Who's Responding? was updated on October 22, 2026 and Cold Stress Calculator on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*