Comparison

MGS 400 vs Rileva TE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Bluetooth connectivity
  • Device configuration
  • Alarm threshold adjustment
  • Maintenance testing
  • Zero/span calibration
  • Intuitive interface
Features
Read full description

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.)

About

Rileva TE

Features
Read full description

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

MGS 4004 screens
Rileva TE4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
MGS 400 versus Rileva TE: the parameters behind the verdict, then further details
ParameterMGS 400Rileva TE
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 17 monthsEvery 5 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size16 MB21 MB
Age rating4+4+
DeveloperMSA - The Safety CompanyCAREL INDUSTRIES S.p.A.

In-app purchases

None

MGS 400

No in-app purchases

None

Rileva TE

No in-app purchases

Questions

Is MGS 400 free?
MGS 400 is free to download, with no in-app purchases.
Is Rileva TE free?
Rileva TE is free to download, with no in-app purchases.
Do MGS 400 or Rileva TE have ads?
MGS 400 shows ads; Rileva TE does not.
Which is updated more often, MGS 400 or Rileva TE?
MGS 400 ships an update every 17 months, and Rileva TE every 5 months. Most recently, MGS 400 was updated on June 9, 2026 and Rileva TE on September 13, 2026.

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