Comparison

BITZER Electronics ServiceTool vs MGS 400

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

Head to head
About

BITZER Electronics ServiceTool

This application allows for Bluetooth connectivity to specific BITZER IQ products. Users can configure devices, monitor operations, view alarms with help texts, and retrieve logs for visualization and cloud upload.

Highlights
  • Bluetooth connectivity
  • Device configuration
  • Operation monitoring
  • Alarm viewing with help texts
  • Log retrieval and visualization
  • Cloud upload for logs
Features
Read full description

This is the App edition of the BEST SOFTWARE (BITZER Electronics Service Tool) for connecting to BITZER IQ products that support Bluetooth. Quickly configure the devices, monitor the operation and view the alarms including alarm help texts. Furthermore, the logs can be retrieved from the devices, visualized and uploaded to the myBITZERcloud for storage and sharing with other devices and peoples. Supported products: // IQ MODULE CM-RC-02 // IQ MODULE CM-RC-01 - Requires firmware version 2.5.246.00 or newer - For firmware update use the Windows version of BEST as it requires to connect via the BEST converter // IQ MODULE CM-SW-01 - Requires firmware version 2.8.82.00 or newer - For firmware update use the Windows version of BEST as it requires to connect via the BEST converter // CSV - Bluetooth is available by the CSV frequency inverters with the control board of the 2nd generation. This control board can be recognized by the STO input (orange connector) or the RJ12 socket for the BEST converter - Requires firmware version 1.92 or newer - For first configuration (change of refrigerant or configuring the compressor type in case of spare parts) use the Windows version of BEST as it requires to connect via the BEST converter. Also for firmware updates // ECOSTAR LHV5E and LHV7E - Requires firmware version 5.0.2.0 or newer - For firmware update use the Windows version of BEST

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.)

Screenshots

BITZER Electronics ServiceTool4 screens
MGS 4004 screens

Verdict

The call

The clearest difference is rating: MGS 400 at 5.0 against BITZER Electronics ServiceTool's 3.0. BITZER Electronics ServiceTool's advantage is ads (none vs shown) and update cadence (every 3 months vs every 17 months). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

MGS 400 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

BITZER Electronics ServiceTool ships an update every 3 months, MGS 400 every 17 months. The most recent releases landed on August 29, 2026 and June 9, 2026 respectively.

Scorecard4 real differences · 6 level
BITZER Electronics ServiceTool versus MGS 400: the parameters behind the verdict, then further details
ParameterBITZER Electronics ServiceToolMGS 400
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 3 months — betterEvery 17 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size248 MB16 MB
Age rating4+4+
DeveloperBITZER SEMSA - The Safety Company

Customer experience

BITZER Electronics ServiceTool

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MGS 400

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

In-app purchases

None

BITZER Electronics ServiceTool

No in-app purchases

None

MGS 400

No in-app purchases

Questions

Is BITZER Electronics ServiceTool free?
BITZER Electronics ServiceTool is free to download, with no in-app purchases.
Is MGS 400 free?
MGS 400 is free to download, with no in-app purchases.
Which has better reviews, BITZER Electronics ServiceTool or MGS 400?
MGS 400 is rated higher. BITZER Electronics ServiceTool averages 3.0 out of 5 from 2 ratings, while MGS 400 averages 5.0 from 1 ratings.
Do BITZER Electronics ServiceTool or MGS 400 have ads?
MGS 400 shows ads; BITZER Electronics ServiceTool does not.
Which is updated more often, BITZER Electronics ServiceTool or MGS 400?
BITZER Electronics ServiceTool ships an update every 3 months, and MGS 400 every 17 months. Most recently, BITZER Electronics ServiceTool was updated on August 29, 2026 and MGS 400 on June 9, 2026.

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