# Chief Mobile vs OnScene Xplorer 4

The clearest difference is in-app purchases: OnScene Xplorer 4 at none against Chief Mobile's 1. OnScene Xplorer 4 also leads on iOS requirement (13.0 vs 15.0). Chief Mobile's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Chief Mobile sells 1 one-off in-app purchase. OnScene Xplorer 4 asks for nothing beyond the download.

Chief Mobile ships an update every 5 weeks, OnScene Xplorer 4 every 3 months. The most recent releases landed on November 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Chief Mobile | OnScene Xplorer 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (43 ratings)](https://appshunter.io/ios/app/chief-mobile/id863837243/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 65.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 243 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chief Technologies, LLC](https://appshunter.io/developer/863837246) | [Iron Compass Map Co](https://appshunter.io/developer/1237245091) |

## What reviewers say

### Chief Mobile

[App page](https://appshunter.io/ios/app/chief-mobile/id863837243)

Receive and map emergency dispatches from your 911 center with push notifications and dual alerting systems. Stay informed about incidents, personnel messages, and company schedules. Update your status and track response times.

**Highlights:** Redundant alerting (Tone & CAD), Incident mapping, Push notifications for dispatches, Personnel messaging, Status updates and ETA tracking, Company schedule viewing

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $4.99 | one-time |


### OnScene Xplorer 4

[App page](https://appshunter.io/ios/app/onscene-xplorer-4/id1562927434)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chief Mobile free?

Chief Mobile is free to download, with in-app purchases available.

### Is OnScene Xplorer 4 free?

OnScene Xplorer 4 is free to download, with no in-app purchases.

### Do Chief Mobile or OnScene Xplorer 4 have ads?

Neither Chief Mobile nor OnScene Xplorer 4 shows ads.

### Which is updated more often, Chief Mobile or OnScene Xplorer 4?

Chief Mobile ships an update every 5 weeks, and OnScene Xplorer 4 every 3 months. Most recently, Chief Mobile was updated on November 11, 2026 and OnScene Xplorer 4 on September 10, 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.*