MGS 400 vs Rileva TE
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.)
Rileva TE
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RILEVA TE, the app for interacting with the new CAREL GLD Small series Gas Detector, equipped with Bluetooth technology. RILEVA considerably simplifies configuration and maintenance, as well as interfacing to the latest CAREL Gas Detector models. The use of a smartphone instead of a PC and/or serial converter makes daily functional checks more user-friendly and easy to perform. Furthermore, RILEVA TE makes testing and calibration faster and effortless, with the focus on saving time. Features include: • Configuration (rename device, define alarm thresholds, change Modbus settings, configure relay behaviour and manage analogue output settings.) • Maintenance (test LED/buzzer operation, relays and analogue output level.) • Calibration (view sensor type, serial number and “Calibration Due” timer and initiate zero/span calibrations with customisable field calibration certificate.) • Intuitive interface (view current gas measurement and acknowledge alarm/fault status.).
Screenshots
Verdict
The clearest difference is ads: Rileva TE at none against MGS 400's shown. Rileva TE also leads on update cadence (every 5 months vs every 17 months). On price, in-app purchases, device support and iOS requirement 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 ships an update every 17 months, Rileva TE every 5 months. The most recent releases landed on June 9, 2026 and September 13, 2026 respectively.
| Parameter | MGS 400 | Rileva TE |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 17 months | Every 5 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | MSA - The Safety Company | CAREL INDUSTRIES S.p.A. |
In-app purchases
MGS 400
No in-app purchases
Rileva TE
No in-app purchases









