# DS vs Azure ECM

The clearest difference is review sentiment: Azure ECM at 100% against DS's 17%. Azure ECM also leads on rating (3.5 vs 2.1) and iOS requirement (9.0 vs 11.0). DS's advantage is ratings volume (26 vs 8). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Azure ECM holds the better App Store score, 3.5 against 2.1. Both are backed by a comparable volume of ratings — 26 and 8 respectively. Written reviews point the same way: 17% of DS's written reviews are positive against 100% of Azure ECM's.

DS ships an update every 3 months, Azure ECM every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | DS | Azure ECM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (26 ratings)](https://appshunter.io/ios/app/ds-20000s/id988911117/reviews) | **[3.5 (8 ratings)](https://appshunter.io/ios/app/azure-ecm/id6443461253/reviews)** |
| Number of ratings | **26** | 8 |
| Positive reviews | 16.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 63 MB | 38 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JB Industries, Inc.](https://appshunter.io/developer/977734857) | [Zhongshan Broad-Ocean Motor Co., Ltd.](https://appshunter.io/developer/1078141230) |

## What reviewers say

### DS

[App page](https://appshunter.io/ios/app/ds-20000s/id988911117)

This utility app displays weight measurements wirelessly from a connected scale. It offers customizable alarms for approaching or target weights, along with low flow warnings. Users can also log data, save it, and email reports.

**Highlights:** Wireless weight measurement display, Approaching/target weight alarms, Low flow warnings, Data logging and saving, Email log reports, Customizable colored themes, Unit of measure options

**Features:** macOS Compatibility

**In-app purchases:** none


### Azure ECM

[App page](https://appshunter.io/ios/app/azure-ecm/id6443461253)

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.

**Highlights:** Adjust individual Azure motor speed taps, Optimize system CFM, Single-tap adjustment on energized taps, Reduce torque for lower speeds, Supports iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DS free?

DS is free to download, with no in-app purchases.

### Is Azure ECM free?

Azure ECM is free to download, with no in-app purchases.

### Which has better reviews, DS or Azure ECM?

Azure ECM is rated higher. DS averages 2.1 out of 5 from 26 ratings, while Azure ECM averages 3.5 from 8 ratings.

### Do DS or Azure ECM have ads?

Neither DS nor Azure ECM shows ads.

### Which is updated more often, DS or Azure ECM?

DS ships an update every 3 months, and Azure ECM every 2 months. Most recently, DS was updated on October 24, 2026 and Azure ECM on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*