Chief Mobile vs OnScene Xplorer 4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chief Mobile
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.
- Redundant alerting (Tone & CAD)
- Incident mapping
- Push notifications for dispatches
- Personnel messaging
- Status updates and ETA tracking
- Company schedule viewing
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Chief Mobile is has redundant alerting using a combination of Tone Alerting & CAD Alerting. Allows you to receive & map incidents from your 911 dispatch center quickly. A push notification will alert you when a new dispatch occurs and forward you to the incident information and map. With Tone Alert, Chief Mobile works like your Fire Pager providing two sources for alerting. You can also receive messages that are sent out by other personnel. Get notified of open shifts, training, and other announcements instantly. The latest version allows you to reply to messages. Allows your personnel to update their status (i.e. Responding Station 1, Available, etc.). Their ETA is tracked while responding. Allows companies that use Chief Scheduling to view the company schedule by day and their own schedule. Continued use of GPS running in the background can dramatically decrease battery life.
OnScene Xplorer 4
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NOTE: OnScene Xplorer 4.0 is for users registered with Iron Compass Map Co. OnScene Xplorer 4.0 is design for fire fighters, EMS, and law enforcement to provide search for locations, route guidance, pre-incident planning, and hydrant management. OSX 4.0 syncs between devices and display vehicles locations when an internet connection is available and the asset is configured (very easy to do). OnScene Xplorer 4.0 mapping is "local" on each device, no internet connection is needed to use the app and mapping! An internet connection is necessary to access other map styles like "air photos". But being "local" is great for areas with limited cellular coverage or devices without cell service....or you just don't want to pay for cell plans in each vehicle. Add pre-incident facility plans with rich information, photos, and floor plans. Manage your fire hydrants and display hydrants base on NFPA flow-ratings. Add "map markers" from a large list of symbols gain situational awareness faster.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Chief Mobile | OnScene Xplorer 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (43 ratings) — better | — |
| Positive reviews | 65.9% of reviews | — |
| Number of ratings | 43 — better | — |
| Update frequency | Every 5 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 112 MB | 243 MB |
| Age rating | 4+ | 4+ |
| Developer | Chief Technologies, LLC | Iron Compass Map Co |
In-app purchases
Chief Mobile
- Pro Version$4.99
OnScene Xplorer 4
No in-app purchases
Questions
Is Chief Mobile free?
Is OnScene Xplorer 4 free?
Do Chief Mobile or OnScene Xplorer 4 have ads?
Which is updated more often, Chief Mobile or OnScene Xplorer 4?
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