# Who's Responding? vs MRF Safety Lite

The clearest difference is update cadence: Who's Responding? at fortnightly against MRF Safety Lite's monthly. MRF Safety Lite's advantage is iOS requirement (10.0 vs 16.4). 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, MRF Safety Lite monthly. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Who's Responding? | MRF Safety Lite |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Subscription | — |
| Size | 133 MB | 4 MB |
| Requires iOS | 16.4 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fluent Information Management Systems, Inc.](https://appshunter.io/developer/951921252) | [MRF Geosystems Corporation](https://appshunter.io/developer/1022031549) |

## 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


### MRF Safety Lite

[App page](https://appshunter.io/ios/app/mrf-safety-lite/id1459202073)

**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 MRF Safety Lite free?

MRF Safety Lite is free to download, with no in-app purchases.

### Do Who's Responding? or MRF Safety Lite have ads?

Neither Who's Responding? nor MRF Safety Lite shows ads.

### Which is updated more often, Who's Responding? or MRF Safety Lite?

Who's Responding? ships an update fortnightly, and MRF Safety Lite monthly. Most recently, Who's Responding? was updated on September 21, 2026 and MRF Safety Lite on September 14, 2026.

---

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