MRLDS 400 vs LINQ M2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MRLDS 400
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The Copeland MRLDS 400 App allows users to configure, maintain and interface with compatible MRLDS-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.)
LINQ M2
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Asset management.
Screenshots
Verdict
The clearest difference is update cadence: LINQ M2 at monthly against MRLDS 400's every 5 months. On price, ads, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MRLDS 400 ships an update every 5 months, LINQ M2 monthly. The most recent releases landed on September 28, 2026 and October 22, 2026 respectively.
| Parameter | MRLDS 400 | LINQ M2 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 8 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Copeland LP | Entronix LLC |
In-app purchases
MRLDS 400
No in-app purchases
LINQ M2
No in-app purchases
Questions
Is MRLDS 400 free?
Is LINQ M2 free?
Do MRLDS 400 or LINQ M2 have ads?
Which is updated more often, MRLDS 400 or LINQ M2?
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