Onsolve MIR3 vs Chateau Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Onsolve MIR3
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.
- Send critical alerts
- Receive alerts
- Company-wide notifications
- On-the-go notification management
- MIR3 SOS security feature
- LookOut security feature
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The Onsolve MIR3 Mobile app is a companion app of the MIR3 desktop alerting solution. It provides a critical alerting tool for organizations of any size to send and receive alerts company-wide. Send critical alerts to recipients and get the feedback you need any time via your mobile device. OnSolve MIR3 offers the features you need for effectively managing notifications on the go. This powerful alerting service provides features for initiators and recipients, as well as, a security suite of features with MIR3 SOS and LookOut.
Chateau Mobile
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.
- 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
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Take your Leak Detection and Repair (LDAR) program to the next level with Chateau Mobile, the official field companion for LDARtools' Chateau software. Designed for environmental professionals and technicians, Chateau Mobile streamlines data collection, improves efficiency, and ensures compliance with EPA Method 21 and other fugitive emission regulations. Key Features: Seamless Integration: Wirelessly sync your inspection data, including readings, photos, and videos, directly to your secure Chateau LDAR database. Work uninterrupted: Chateau Mobile saves your data offline and syncs when you’re back online. Method 21 & OGI Support: Whether you're conducting traditional Method 21 inspections or using Optical Gas Imaging (OGI), Chateau Mobile has you covered. Our platform supports both, as well as hybrid programs. Enhanced GPS & Routing: Effortlessly locate components and navigate your inspection routes with our advanced GPS features. Automated Data Capture: Electronically capture all inspection data via Bluetooth, eliminating manual data entry and reducing errors. Calibration Management: When paired with a SpanBox, Chateau Mobile manages the entire calibration process, ensuring your equipment is always in compliance. Real-Time Data & Audits: Access your LDAR data from anywhere and benefit from over 120+ daily database audits that send email alerts for any anomalies. Compliance at Your Fingertips: Chateau Mobile is designed to help you comply with all VOC and Hazardous Air Pollutant Fugitive Emissions Regulations. About Chateau by LDARtools: Chateau is the premier software solution for managing all aspects of your fugitive emissions program. From component inventories and leak tracking to regulatory reporting and advanced analytics, Chateau provides a comprehensive and user-friendly platform for LDAR professionals. Download Chateau Mobile today and experience the future of LDAR data management. (Note: This app requires an active Chateau LDAR software license from LDARtools.)
Screenshots
Verdict
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.
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. 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.
| Parameter | Onsolve MIR3 | Chateau Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (20 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 6.7% of reviews | — |
| Number of ratings | 20 — better | 2 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.3 — better |
| Further details — not scored | ||
| Size | 5 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | OnSolve | LDARtools, Inc. |
Customer experience
Onsolve MIR3
Chateau Mobile
In-app purchases
Onsolve MIR3
No in-app purchases
Chateau Mobile
No in-app purchases









