# Onsolve MIR3 vs Chateau Mobile

The clearest difference is rating: Chateau Mobile at 5.0 against Onsolve MIR3's 2.5. Chateau Mobile also leads on update cadence (every 2 weeks vs every 2 months). Onsolve MIR3's advantage is ratings volume (20 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Chateau Mobile holds the better App Store score, 5.0 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.

Onsolve MIR3 ships an update every 2 months, Chateau Mobile every 2 weeks. The most recent releases landed on September 2, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Onsolve MIR3 | Chateau Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (20 ratings)](https://appshunter.io/ios/app/onsolve-mir3/id1279335966/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chateau-mobile/id6745618541/reviews)** |
| Number of ratings | **20** | 2 |
| Positive reviews | 6.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 5 MB | 98 MB |
| Requires iOS | 16.0 | **15.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OnSolve](https://appshunter.io/developer/1279335965) | [LDARtools, Inc.](https://appshunter.io/developer/1813177140) |

## 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


### Chateau Mobile

[App page](https://appshunter.io/ios/app/chateau-mobile/id6745618541)

This app streamlines data collection for environmental professionals conducting leak detection and repair programs. It integrates wirelessly with a secure database, supports various inspection methods, and offers enhanced GPS and automated data capture for improved efficiency and compliance.

**Highlights:** Wireless data sync to Chateau LDAR database, Offline data saving and syncing, Method 21 and OGI inspection support, Enhanced GPS and routing, Automated data capture via Bluetooth, Calibration management with SpanBox, Real-time data access and audits

**In-app purchases:** none


## Frequently asked questions

### Is Onsolve MIR3 free?

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

### Is Chateau Mobile free?

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

### Which has better reviews, Onsolve MIR3 or Chateau Mobile?

Chateau Mobile is rated higher. Onsolve MIR3 averages 2.5 out of 5 from 20 ratings, while Chateau Mobile averages 5.0 from 2 ratings.

### Do Onsolve MIR3 or Chateau Mobile have ads?

Neither Onsolve MIR3 nor Chateau Mobile shows ads.

### Which is updated more often, Onsolve MIR3 or Chateau Mobile?

Onsolve MIR3 ships an update every 2 months, and Chateau Mobile every 2 weeks. Most recently, Onsolve MIR3 was updated on September 2, 2026 and Chateau Mobile on September 9, 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.*