# MGS 400 vs LINQ M2

The clearest difference is ads: LINQ M2 at none against MGS 400's shown. LINQ M2 also leads on update cadence (monthly vs every 17 months) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for MGS 400 against 5.0 for LINQ M2. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

MGS 400 ships an update every 17 months, LINQ M2 monthly. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MGS 400 | LINQ M2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mgs-400/id1441402354/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/linq-m2/id6475693554/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 16 MB | 49 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MSA - The Safety Company](https://appshunter.io/developer/482957840) | [Entronix LLC](https://appshunter.io/developer/1092254159) |

## What reviewers say

### MGS 400

[App page](https://appshunter.io/ios/app/mgs-400/id1441402354)

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:** macOS Compatibility

**In-app purchases:** none


### LINQ M2

[App page](https://appshunter.io/ios/app/linq-m2/id6475693554)

This app helps manage assets efficiently. It provides a centralized platform for tracking and organizing valuable items. Designed for straightforward asset management.

**Highlights:** Asset tracking, Organization tools, Efficient management, Centralized platform

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MGS 400 free?

MGS 400 is free to download, with no in-app purchases.

### Is LINQ M2 free?

LINQ M2 is free to download, with no in-app purchases.

### Which has better reviews, MGS 400 or LINQ M2?

MGS 400 and LINQ M2 are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do MGS 400 or LINQ M2 have ads?

MGS 400 shows ads; LINQ M2 does not.

### Which is updated more often, MGS 400 or LINQ M2?

MGS 400 ships an update every 17 months, and LINQ M2 monthly. Most recently, MGS 400 was updated on November 2, 2026 and LINQ M2 on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*