Comparison

MRLDS 400 vs Rileva TE

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
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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.)

About

Rileva TE

Features
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RILEVA TE, the app for interacting with the new CAREL GLD Small series Gas Detector, equipped with Bluetooth technology. RILEVA considerably simplifies configuration and maintenance, as well as interfacing to the latest CAREL Gas Detector models. The use of a smartphone instead of a PC and/or serial converter makes daily functional checks more user-friendly and easy to perform. Furthermore, RILEVA TE makes testing and calibration faster and effortless, with the focus on saving time. Features include: • Configuration (rename device, define alarm thresholds, change Modbus settings, configure relay behaviour and manage analogue output settings.) • Maintenance (test LED/buzzer operation, relays and analogue output level.) • Calibration (view sensor type, serial number and “Calibration Due” timer and initiate zero/span calibrations with customisable field calibration certificate.) • Intuitive interface (view current gas measurement and acknowledge alarm/fault status.).

Screenshots

MRLDS 4003 screens
Rileva TE4 screens

Verdict

The call

MRLDS 400 and Rileva TE 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

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 28, 2026 and September 21, 2026 respectively.

ScorecardNo meaningful differences
MRLDS 400 versus Rileva TE: the parameters behind the verdict, then further details
ParameterMRLDS 400Rileva TE
PriceFreeFree
Update frequencyEvery 5 monthsEvery 5 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size8 MB21 MB
Age rating4+4+
DeveloperCopeland LPCAREL INDUSTRIES S.p.A.

In-app purchases

None

MRLDS 400

No in-app purchases

None

Rileva TE

No in-app purchases

Questions

Is MRLDS 400 free?
MRLDS 400 is free to download, with no in-app purchases.
Is Rileva TE free?
Rileva TE is free to download, with no in-app purchases.
Do MRLDS 400 or Rileva TE have ads?
Neither MRLDS 400 nor Rileva TE shows ads.
Which is updated more often, MRLDS 400 or Rileva TE?
MRLDS 400 ships an update every 5 months, and Rileva TE every 5 months. Most recently, MRLDS 400 was updated on September 28, 2026 and Rileva TE on September 21, 2026.

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