Comparison

BITZER Smart Connect Pro 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 Smart Connect Pro

Features
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BITZER Remote Caretaking is an intuitive service, which makes monitoring and adjusting heating, ventilation and refrigeration systems easy for you. BITZER Remote Caretaking gives an informative overview of how systems are running – even multiple systems at the same time. Within the app, detailed information, like temperatures, humidity levels and various compressor information can be monitored and displayed. With BITZER Remote Caretaking it is even possible to adjust systems remotely. It has never been easier to have full control of HVAC+R systems - anytime, anywhere! In case of system break downs, alarms, warnings and even for preventive maintenance purposes, BITZER Remote Caretaking will send email notifications to specified personnel for whom the information is relevant. This is easily set up for the specific product/system/setup in relation to registered users in BITZER Remote Caretaking. BITZER Remote Caretaking can be accessed anytime and anywhere via the app or via an internet browser.

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
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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.)

Screenshots

BITZER Smart Connect Pro4 screens
MGS 4004 screens

Verdict

The call

The clearest difference is ads: BITZER Smart Connect Pro at none against MGS 400's shown. BITZER Smart Connect Pro also leads on iOS requirement (11.0 vs 14.0). On price, update cadence, 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

BITZER Smart Connect Pro ships an update every 9 months, MGS 400 every 17 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
BITZER Smart Connect Pro versus MGS 400: the parameters behind the verdict, then further details
ParameterBITZER Smart Connect ProMGS 400
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 9 months — betterEvery 17 months
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size1 MB16 MB
Age rating9+4+
DeveloperBitzer Electronics A/SMSA - The Safety Company

In-app purchases

None

BITZER Smart Connect Pro

No in-app purchases

None

MGS 400

No in-app purchases

Questions

Is BITZER Smart Connect Pro free?
BITZER Smart Connect Pro is free to download, with no in-app purchases.
Is MGS 400 free?
MGS 400 is free to download, with no in-app purchases.
Do BITZER Smart Connect Pro or MGS 400 have ads?
MGS 400 shows ads; BITZER Smart Connect Pro does not.
Which is updated more often, BITZER Smart Connect Pro or MGS 400?
BITZER Smart Connect Pro ships an update every 9 months, and MGS 400 every 17 months. Most recently, BITZER Smart Connect Pro was updated on October 8, 2026 and MGS 400 on October 14, 2026.

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