# ResponderApp vs KATSTrack

The clearest difference is update cadence: KATSTrack at weekly against ResponderApp's monthly. 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.

ResponderApp ships an update monthly, KATSTrack weekly. The most recent releases landed on September 29, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ResponderApp | KATSTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (50 ratings)](https://appshunter.io/ios/app/responderapp/id1569640151/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 30.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 44 MB | 64 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Extra Duty Solutions](https://appshunter.io/developer/1569640153) | [Mehrdad Aghamolaei](https://appshunter.io/developer/1813344427) |

## What reviewers say

### ResponderApp

[App page](https://appshunter.io/ios/app/responderapp/id1569640151)

This app provides a streamlined platform for agencies utilizing Xtra Duty or Extra Duty Solutions. It offers a convenient way to manage off-duty work and related administrative tasks.

**Highlights:** Off-duty work management, Agency integration, Streamlined administration, Xtra Duty support, Extra Duty Solutions partner

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

**In-app purchases:** none


### KATSTrack

[App page](https://appshunter.io/ios/app/katstrack/id6745687664)

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

**In-app purchases:** none


## Frequently asked questions

### Is ResponderApp free?

ResponderApp is free to download, with no in-app purchases.

### Is KATSTrack free?

KATSTrack is free to download, with no in-app purchases.

### Do ResponderApp or KATSTrack have ads?

Neither ResponderApp nor KATSTrack shows ads.

### Which is updated more often, ResponderApp or KATSTrack?

ResponderApp ships an update monthly, and KATSTrack weekly. Most recently, ResponderApp was updated on September 29, 2026 and KATSTrack on September 9, 2026.

---

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