PLUS+1® Service Tool vs MRLDS 400
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PLUS+1® Service Tool
This tool allows for diagnostics and parameter downloads to electronic components. It connects to controllers for performance logging and tuning, streamlining the development of advanced machinery.
- Perform diagnostics on electronic components
- Download applications to controllers
- Download parameters to controllers
- Log controller performance
- Tune controller performance
- Accelerate development process
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The PLUS+1® Service Tool performs diagnostics on PLUS+1® electronic components. In PLUS+1® GUIDE you build your application with drag-and-drop logical components or software blocks in the graphical interface. It is engineered to accelerate your development process and bring higher quality machines to market faster. Use the PLUS+1® Service Tool to download the built application to a controller. You can download parameters to a controller, then you can log and tune the controller performance.
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.)
Screenshots
Verdict
PLUS+1® Service Tool 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PLUS+1® Service Tool ships an update every 4 months, MRLDS 400 every 5 months. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.
| Parameter | PLUS+1® Service Tool | MRLDS 400 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 57 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Danfoss A/S | Copeland LP |
In-app purchases
PLUS+1® Service Tool
No in-app purchases
MRLDS 400
No in-app purchases
Questions
Is PLUS+1® Service Tool free?
Is MRLDS 400 free?
Do PLUS+1® Service Tool or MRLDS 400 have ads?
Which is updated more often, PLUS+1® Service Tool or MRLDS 400?
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