Comparison

Carel Applica vs MRLDS 400

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

Head to head
About

Carel Applica

This app allows users to interact with CAREL's new generation of parametric and programmable controllers. It offers a simplified user experience for managing functions, parameters, and data trends with access control based on user type.

Highlights
  • Parameter management with descriptions
  • Local and remote configuration management
  • Live and historical data trend management
  • Exportable data trends
  • Controller documentation access
  • Device information retrieval
Features
Read full description

APPLICA is the CAREL app for interacting with the new generation of parametric controllers and programmable controllers, offering an all-new user experience and ensuring simple configuration. Functions and parameters are managed via profiles so as to ensure the correct access level based on the type of user. The main features are: - Parameter management with descriptions in different languages, maximum/minimum values with consistency control, advanced search capabilities and categorisations; - Management of local and remote configurations, both default and personal; - Management of data trends, both live and historical, with option to export the displayed data; - Up-to-date documentation relating to the connected controller; - Device information (serial number, software version, etc.)

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.)

Screenshots

Carel Applica4 screens
MRLDS 4003 screens

Verdict

The call

Carel Applica and MRLDS 400 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Carel Applica ships an update every 3 months, MRLDS 400 every 5 months. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

ScorecardNo meaningful differences
Carel Applica versus MRLDS 400: the parameters behind the verdict, then further details
ParameterCarel ApplicaMRLDS 400
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews21.4% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size52 MB8 MB
Age rating4+4+
DeveloperCAREL INDUSTRIES S.p.A.Copeland LP

In-app purchases

None

Carel Applica

No in-app purchases

None

MRLDS 400

No in-app purchases

Questions

Is Carel Applica free?
Carel Applica is free to download, with no in-app purchases.
Is MRLDS 400 free?
MRLDS 400 is free to download, with no in-app purchases.
Do Carel Applica or MRLDS 400 have ads?
Neither Carel Applica nor MRLDS 400 shows ads.
Which is updated more often, Carel Applica or MRLDS 400?
Carel Applica ships an update every 3 months, and MRLDS 400 every 5 months. Most recently, Carel Applica was updated on November 5, 2026 and MRLDS 400 on November 9, 2026.

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