MGS 400 vs AddressIT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MGS 400
This app connects to compatible gas detectors via Bluetooth, simplifying configuration, maintenance, and calibration. It replaces the need for specialized tools and training, ensuring compliance with safety standards.
- Bluetooth connectivity
- Device configuration
- Alarm threshold adjustment
- Maintenance testing
- Zero/span calibration
- Intuitive interface
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The Bacharach MGS-400 App allows users to configure, maintain and interface with compatible MGS-400 gas detectors. Once a Bluetooth connection has been established, the app replaces the need for specialty training/tools and makes compliance with safety standards (ASHRAE 15, EN 378) easy and effective. Features include: - Configuration (Rename device, define alarm thresholds, adjust Modbus settings, configure relay behavior and manage analog output settings.) - Maintenance (Test LED/buzzer function, relays, and analog output level.) - Calibration (View sensor type, serial number and “Calibration Due” timer and initiate zero / span calibrations with customizable field calibration certificate.) - Intuitive Interface (View current gas measurement and acknowledge alarm / fault status.)
AddressIT
This utility app allows users to configure IP addresses for various controllers from a single mobile device. It supports multiple controller types and offers addressing via IPv4 or device ID.
- Set IP addresses for controllers
- Supports OptiFlex™, OptiCORE™, TruVu™
- Address by IPv4
- Address by device ID
- Single location configuration
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AddressIT is a mobile app designed to help you set IP addresses for multiple controllers from one location. The AddressIT app supports OptiFlex™, OptiCORE™, and TruVu™ controllers. Address either by IPv4 or by device ID.
Screenshots
Verdict
The clearest difference is review sentiment: MGS 400 at 100% against AddressIT's 0%. MGS 400 also leads on rating (5.0 vs 2.0). AddressIT's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence and in-app purchases 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.
MGS 400 holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of MGS 400's written reviews are positive against 0% of AddressIT's.
MGS 400 ships an update every 17 months, AddressIT every 16 months. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.
| Parameter | MGS 400 | AddressIT |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 17 months | Every 16 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 16 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | MSA - The Safety Company | Carrier Corporation |
Customer experience
MGS 400
AddressIT
In-app purchases
MGS 400
No in-app purchases
AddressIT
No in-app purchases
