DS vs Azure ECM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DS
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Wireless Refrigerant Scale from JB Industries, Inc. that allows user to view weight measurement. Approaching weight, target weight, and low flow warning are some of the alarms that can be set. Unit of measure options, and a job timer or a few of the advanced features included. Data logging is also provided with the ability to save and email logs.
Azure ECM
This utility app enables precise adjustment of individual Azure motor speed taps to optimize system CFM. It allows for single-tap adjustments on energized taps, with specific limitations on factory-locked taps. Users can reduce torque for lower speeds by selecting alternative taps.
- Adjust individual Azure motor speed taps
- Optimize system CFM
- Single-tap adjustment on energized taps
- Reduce torque for lower speeds
- Supports iPhone and iPad
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This app allows the individual Azure motor speed taps to be adjusted for optimizing system CFM.Azure blower motor adjustments can be made to only one tap at a time; the tap being energized is the tap that can be adjusted. Note: if equipped, a 625RPM constant fan tap is factory locked and cannot be adjusted. For lower speeds, select another tap and reduce torque.
Screenshots
Verdict
The clearest difference is update cadence: Azure ECM at every 2 months against DS's every 28 months. Azure ECM also leads on iOS requirement (9.0 vs 11.0). 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.
DS ships an update every 28 months, Azure ECM every 2 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | DS | Azure ECM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 28 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 34 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | JB Industries, Inc. | Zhongshan Broad-Ocean Motor Co., Ltd. |
In-app purchases
DS
No in-app purchases
Azure ECM
No in-app purchases
