# Chateau Mobile — LDAR Field Excellence > Field companion for LDARtools' Chateau software, streamlining leak detection data collection. (iPhone/iPad app by LDARtools, Inc..) - Source: https://appshunter.io/ios/app/chateau-mobile/id6745618541 (this page in markdown: same URL + `.md`) - Developer: [LDARtools, Inc.](https://appshunter.io/developer/1813177140) - Category: Business - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.3 · 98 MB - Languages: American English - Released: 2025-09-22 - Data updated: 2026-08-28 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/chateau-mobile/id6745618541/reviews.md ## What is Chateau Mobile? 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.) ## Key features - 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 ## Frequently asked questions about Chateau Mobile ### What is Chateau Mobile? Chateau Mobile is the official field companion app for LDARtools' Chateau software, designed to help environmental professionals collect and manage data for Leak Detection and Repair (LDAR) programs. ### Does Chateau Mobile require a subscription? Chateau Mobile itself is free to download. However, it requires an active Chateau LDAR software license from LDARtools to function fully. ### Can I use Chateau Mobile without an internet connection? Yes, Chateau Mobile allows you to work uninterrupted by saving your data offline. It will sync your data to your secure Chateau LDAR database when you are back online. ### What inspection methods does Chateau Mobile support? Chateau Mobile supports both traditional EPA Method 21 inspections and Optical Gas Imaging (OGI), as well as hybrid inspection programs. ### How does Chateau Mobile help with compliance? The app is designed to help you comply with VOC and Hazardous Air Pollutant Fugitive Emissions Regulations by streamlining data capture, ensuring accurate readings, and providing real-time data audits. ### What devices is Chateau Mobile compatible with? Chateau Mobile is available for iPhone, iPad, and iPod devices. ### How often is Chateau Mobile updated? The latest version of Chateau Mobile is 1.6.16, and it was last updated on May 15, 2026. Updates typically include new features and performance improvements. ### What is the user rating for Chateau Mobile? Chateau Mobile has a high user rating of 5.0 stars based on 2 ratings, indicating strong user satisfaction with its functionality. ## Version history (last 5 releases) ### 1.6.25 — 2026-08-27 New leak and DOR detail screen with an inspection and repair timeline. Multi-select components to edit properties, re-base tags or record Did Not Monitor in bulk. Inline property editing with a single Change Why per save. More reliable check-out and check-in, with clearer messages when a download fails. Bug fixes and performance improvements. ### 1.6.24 — 2026-08-13 Bug fixes and performance improvements. ### 1.6.23 — 2026-08-06 Fixed sign-in issues that could leave the login screen blank with no explanation - failures now show clearly and recover automatically. Added a Comments tab to view and add notes on a component, plus a fix for long location names crowding out other details on the Quick View screen. Fixed M21 inspection syncing issues, including one that could block an entire batch from uploading. Fixed a freeze on the end-of-day drift screen. Bug fixes and performance improvements. ### 1.6.22 — 2026-07-25 Repair attempts now appear in the Component Details History tab, where you can comment on and delete them right on the device. Flow Rate on OGI sensitivity checks is now editable. More reliable check-ins: orphaned check-outs are cleared automatically, check-in works with pre-compress on or off, and a deleted M21 variance option no longer blocks a sync. Add via Photo now uses 3-digit sub-tag suffixes and easier base-tag entry. Bug fixes and performance improvements. ### 1.6.21 — 2026-07-24 Repair attempts now appear in the Component Details History tab, where you can comment on and delete them right on the device. Flow Rate on OGI sensitivity checks is now editable. More reliable check-ins: orphaned check-outs are cleared automatically, check-in works with pre-compress on or off, and a deleted M21 variance option no longer blocks a sync. Add via Photo now uses 3-digit sub-tag suffixes and easier base-tag entry. 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Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*