MRLDS 400 vs DST Mobile
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.)
DST Mobile
This application enables technicians and business users to capture and analyze readings from an MSi device. It facilitates property setup, equipment configuration, historical data review, and direct report emailing.
- Analyze MSi device readings
- Setup properties
- Configure equipment
- Review historical data
- Email reports
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This app allows technicians and business users the ability to take and analyze readings taken from an MSi device. Users can setup properties, configure equipment, review historical reading data, and email reports all directly on the app.
Screenshots
Verdict
The clearest difference is update cadence: DST Mobile at every 2 months 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, DST Mobile every 2 months. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.
| Parameter | MRLDS 400 | DST Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 8 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Copeland LP | Discovery Sound Technology, LLC |
In-app purchases
MRLDS 400
No in-app purchases
DST Mobile
No in-app purchases
Questions
Is MRLDS 400 free?
Is DST Mobile free?
Do MRLDS 400 or DST Mobile have ads?
Which is updated more often, MRLDS 400 or DST Mobile?
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