# Onsolve MIR3 vs EM HazLoc

The clearest difference is rating: EM HazLoc at 4.0 against Onsolve MIR3's 2.5. Onsolve MIR3's advantage is update cadence (every 2 months vs every 25 months) and ratings volume (20 vs 2). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EM HazLoc holds the better App Store score, 4.0 against 2.5. That said, the two scores are not equally well evidenced: Onsolve MIR3 has 20 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 7% of Onsolve MIR3's written reviews are positive against 0% of EM HazLoc's, so the app with the better star average is not the one people write more warmly about.

Onsolve MIR3 ships an update every 2 months, EM HazLoc every 25 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Onsolve MIR3 | EM HazLoc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (20 ratings)](https://appshunter.io/ios/app/onsolve-mir3/id1279335966/reviews) | **[4.0 (2 ratings)](https://appshunter.io/ios/app/em-hazloc/id1459518357/reviews)** |
| Number of ratings | **20** | 2 |
| Positive reviews | **6.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 6 MB | 17 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OnSolve](https://appshunter.io/developer/1279335965) | [Exxon Mobil Corporation](https://appshunter.io/developer/528788995) |

## What reviewers say

### Onsolve MIR3

[App page](https://appshunter.io/ios/app/onsolve-mir3/id1279335966)

This app serves as a mobile companion for a desktop alerting system, enabling organizations to send and receive critical company-wide alerts. It facilitates effective on-the-go notification management with features for both initiators and recipients, including security functions like SOS and LookOut.

**Highlights:** Send critical alerts, Receive alerts, Company-wide notifications, On-the-go notification management, MIR3 SOS security feature, LookOut security feature

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

**In-app purchases:** none


### EM HazLoc

[App page](https://appshunter.io/ios/app/em-hazloc/id1459518357)

This app helps identify iOS device models approved for use in specific hazardous classified areas for ExxonMobil's operational needs. It displays device model, approval status, approved hazardous locations, and required accessories for field use.

**Highlights:** Device model identification, Approval status display, Approved hazardous locations, Required case information, Approved peripheral listing, Device evaluation details

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Onsolve MIR3 free?

Onsolve MIR3 is free to download, with no in-app purchases.

### Is EM HazLoc free?

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

### Which has better reviews, Onsolve MIR3 or EM HazLoc?

EM HazLoc is rated higher. Onsolve MIR3 averages 2.5 out of 5 from 20 ratings, while EM HazLoc averages 4.0 from 2 ratings.

### Do Onsolve MIR3 or EM HazLoc have ads?

Neither Onsolve MIR3 nor EM HazLoc shows ads.

### Which is updated more often, Onsolve MIR3 or EM HazLoc?

Onsolve MIR3 ships an update every 2 months, and EM HazLoc every 25 months. Most recently, Onsolve MIR3 was updated on October 24, 2026 and EM HazLoc on October 23, 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.*