MGS-400

The App enables configuration / maintenance of Bacharach MGS-400 gas detectors.

Bacharach · com.mybacharach.gasdetectapp

Not rated yet 5K+ downloads v2.0.1 3.1 MB Android 4.4+ PEGI 3 · Everyone

Download APK 3.1 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.0.1 (7)
Updated: Nov 11, 2025 (11 months ago)
APK size: 3.1 MB
Requires: Android 4.4+ (API 19)
CPU support: Any (no native code)
Category: Tools (app)
Listed since: Jan 28, 2021 (at least)
Permissions: 7 (4 sensitive)
Website: mybacharach.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

MGS-400 is an app by Bacharach in the Tools category, listed since at least January 2021. It has no native code, so it runs on any Android processor.

It asks for 7 permissions, 4 of them sensitive, including precise location, camera and read shared storage.

What's new in v2.0.1

Enhanced User Experience • Simplified navigation • Improved Test and Calibration modes - eliminates the chance of leaving your instrument in ‘Off-Line’ modes • Improved Calibration Report sharing - uses device operating system to share calibration certificate PDFs • General Bug Fixes MSA Bacharach Cloud Connectivity • Optional cloud data storage for instrument and/or user information • Enables instrument usage statistics for better product support

Description

From the listing uploaded by “appupdater”.

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.)

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Nov 11, 2025.
Certificate from Google Play App Signing Google keeps the signing key for the developer, so the certificate carries Google's name.

Store checks and file details

Developer signature verified Nov 11, 2025
Validated against Google Play Nov 11, 2025
Signed byCN=Android, OU=Android, O=Google Inc., L=Mountain View, ST=California, C=US
Signing certificate (SHA-1)13:FA:85:69:77:9F:B0:32:D2:77:CB:47:7D:C9:5F:BC:B7:46:61:80
File MD5f6fde2ec39791686d0c95b836aa40979
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (7)

MGS-400 requests 7 permissions, 4 of them sensitive.

Camera Sensitive android.permission.CAMERA
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Full network access android.permission.INTERNET

Required hardware & features

Bluetooth android.hardware.bluetooth
Bluetooth Low Energy android.hardware.bluetooth_le
Camera android.hardware.camera
Basic touch input android.hardware.faketouch
Location android.hardware.location
Portrait screen android.hardware.screen.portrait

MGS-400 APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the MGS-400 APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. After downloading, check that the file's MD5 is f6fde2ec39791686d0c95b836aa40979.