Comparison

MRLDS 400 vs LINQ M2

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

Head to head
About

MRLDS 400

Features
Read full description

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.)

About

LINQ M2

Features
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Asset management.

Screenshots

MRLDS 4003 screens
LINQ M24 screens

Verdict

The call

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

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

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.

Scorecard1 real difference · 7 level
MRLDS 400 versus LINQ M2: the parameters behind the verdict, then further details
ParameterMRLDS 400LINQ M2
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.5
Further details — not scored
Size8 MB49 MB
Age rating4+4+
DeveloperCopeland LPEntronix LLC

In-app purchases

None

MRLDS 400

No in-app purchases

None

LINQ M2

No in-app purchases

Questions

Is MRLDS 400 free?
MRLDS 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.
Do MRLDS 400 or LINQ M2 have ads?
Neither MRLDS 400 nor LINQ M2 shows ads.
Which is updated more often, MRLDS 400 or LINQ M2?
MRLDS 400 ships an update every 5 months, and LINQ M2 monthly. Most recently, MRLDS 400 was updated on September 28, 2026 and LINQ M2 on October 22, 2026.

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