MGS 400 vs Belimo Display
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.)
Belimo Display
This app allows users to view and adjust room sensor values like temperature, humidity, and CO2. It offers an intuitive interface for setpoint adjustments and includes a traffic light function for CO2 levels. Access protection ensures only authorized users can make changes.
- Display room values (temperature, humidity, CO2)
- Adjust setpoints intuitively
- CO2 concentration with traffic light function
- Access protection for unauthorized input
- Multiple language support
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The Belimo Display App is the most innovative of its kind to access sensors. With the intuitive end-customer app, the current room values can be displayed and setpoints can be adjusted. Access protection prevents input by unauthorised people. The following features are available to the user : • Display room values (temperature, relative humidity, CO2) of all active room sensors & room operating units of the latest generation. • Innovative setpoint adjustment with the intuitive app without the need for a display on the room unit • Display of the CO2 concentration with traffic light function • Various languages available (DE / EN ) The following sensors can be configured with the app: • 22RT-19-1 • 22RTH-19-1 • 22RTM-19-1 • P-22RT... • P-22RTH... • P-22RTM... Requirements: • iOS 14 or newer • iPhone 8 or newer
Screenshots
Verdict
The clearest difference is ads: Belimo Display at none against MGS 400's shown. Belimo Display also leads on update cadence (every 4 months vs every 17 months) and monetization model (free vs ad-supported). MGS 400's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, ratings volume 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.
On the App Store both sit at effectively the same score — 5.0 for MGS 400 against 5.0 for Belimo Display. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
MGS 400 ships an update every 17 months, Belimo Display every 4 months. The most recent releases landed on June 9, 2026 and September 16, 2026 respectively.
| Parameter | MGS 400 | Belimo Display |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 17 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 16 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | MSA - The Safety Company | BELIMO Automation AG |
Customer experience
MGS 400
Belimo Display
In-app purchases
MGS 400
No in-app purchases
Belimo Display
No in-app purchases
