# Who's Responding? vs Rdio Scanner

The clearest difference is in-app purchases: Who's Responding? at none against Rdio Scanner's 1. Who's Responding? also leads on update cadence (fortnightly vs monthly). Rdio Scanner's advantage is ratings volume (84 vs 7) and review sentiment (44% vs 32%). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Rdio Scanner sells 1 in-app purchase, starting at $39.99 per year. Who's Responding? asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.3 for Who's Responding? against 3.3 for Rdio Scanner. That said, the two scores are not equally well evidenced: Rdio Scanner has 84 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 32% of Who's Responding?'s written reviews are positive against 44% of Rdio Scanner's.

Who's Responding? ships an update fortnightly, Rdio Scanner monthly. Both last shipped on September 21, 2026.

## The numbers

| Metric | Who's Responding? | Rdio Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/whos-responding/id951921253/reviews) | [3.3 (84 ratings)](https://appshunter.io/ios/app/rdio-scanner/id1563065667/reviews) |
| Number of ratings | 7 | **84** |
| Positive reviews | 31.5% of reviews | **44.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Subscription | Subscription |
| Size | 133 MB | 52 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Fluent Information Management Systems, Inc.](https://appshunter.io/developer/951921252) | [Saubeo Solutions](https://appshunter.io/developer/1563065669) |

## 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


### Rdio Scanner

[App page](https://appshunter.io/ios/app/rdio-scanner/id1563065667)

This is the native client for an open-source project that scans and identifies audio. It offers premium features through an annual subscription, which automatically renews unless canceled.

**Highlights:** Native client application, Premium features, Annual subscription, Automatic renewal, Cancel anytime

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $39.99 | per year |


## Frequently asked questions

### Is Who's Responding? free?

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

### Is Rdio Scanner free?

Rdio Scanner is free to download, with in-app purchases available.

### Which has better reviews, Who's Responding? or Rdio Scanner?

Who's Responding? and Rdio Scanner are both rated 3.3 out of 5 on the App Store, from 7 and 84 ratings respectively.

### Do Who's Responding? or Rdio Scanner have ads?

Neither Who's Responding? nor Rdio Scanner shows ads.

### Which is updated more often, Who's Responding? or Rdio Scanner?

Who's Responding? ships an update fortnightly, and Rdio Scanner monthly. Most recently, Who's Responding? was updated on September 21, 2026 and Rdio Scanner on September 21, 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.*