Comparison

MGS 400 vs RILEVA

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

This utility app simplifies interaction with CAREL GLD series gas detectors using Bluetooth. It streamlines configuration, maintenance, and calibration processes, making daily checks more user-friendly and efficient. The app allows for easy testing, calibration initiation, and viewing of gas measurements and alarm statuses directly from a smartphone.

Highlights
  • Bluetooth connectivity
  • Device configuration
  • Alarm threshold definition
  • Maintenance testing
  • Calibration initiation
  • Real-time measurement viewing
  • Alarm status acknowledgement
Features
Read full description

RILEVA, the app for interacting with the new CAREL GLD 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 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
RILEVA4 screens

Verdict

The call

The clearest difference is review sentiment: MGS 400 at 100% against RILEVA's 0%. RILEVA's advantage is ads (none vs shown) and update cadence (every 7 months vs every 17 months). On price, in-app purchases and device support 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 every 7 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard5 real differences · 5 level
MGS 400 versus RILEVA: the parameters behind the verdict, then further details
ParameterMGS 400RILEVA
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 17 monthsEvery 7 months — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.010.0 — better
Further details — not scored
Size16 MB19 MB
Age rating4+12+
DeveloperMSA - The Safety CompanyCAREL INDUSTRIES S.p.A.

Customer experience

MGS 400

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

RILEVA

Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

None

MGS 400

No in-app purchases

None

RILEVA

No in-app purchases

Questions

Is MGS 400 free?
MGS 400 is free to download, with no in-app purchases.
Is RILEVA free?
RILEVA is free to download, with no in-app purchases.
Do MGS 400 or RILEVA have ads?
MGS 400 shows ads; RILEVA does not.
Which is updated more often, MGS 400 or RILEVA?
MGS 400 ships an update every 17 months, and RILEVA every 7 months. Most recently, MGS 400 was updated on October 14, 2026 and RILEVA on October 13, 2026.

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