# PuriFi Install vs Azure ECM

The clearest difference is rating: PuriFi Install at 5.0 against Azure ECM's 3.5. Azure ECM's advantage is ratings volume (8 vs 1). 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.

PuriFi Install holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Azure ECM has 8 ratings behind it against 1, so its average is the more settled of the two.

PuriFi Install ships an update every 3 months, Azure ECM every 2 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PuriFi Install | Azure ECM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/purifi-install/id1584701413/reviews)** | [3.5 (8 ratings)](https://appshunter.io/ios/app/azure-ecm/id6443461253/reviews) |
| Number of ratings | 1 | **8** |
| Positive 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 | 184 MB | 38 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Modularis, Inc.](https://appshunter.io/developer/1342363330) | [Zhongshan Broad-Ocean Motor Co., Ltd.](https://appshunter.io/developer/1078141230) |

## What reviewers say

### PuriFi Install

[App page](https://appshunter.io/ios/app/purifi-install/id1584701413)

This app streamlines the installation and setup of air and surface purification systems. It allows for quick device pairing and configuration of system settings, including indoor air quality levels by zone.

**Highlights:** Fast and efficient installation, Device pairing, System configuration, Indoor air quality settings, Zone-based adjustments

**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 PuriFi Install free?

PuriFi Install 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, PuriFi Install or Azure ECM?

PuriFi Install is rated higher. PuriFi Install averages 5.0 out of 5 from 1 ratings, while Azure ECM averages 3.5 from 8 ratings.

### Do PuriFi Install or Azure ECM have ads?

Neither PuriFi Install nor Azure ECM shows ads.

### Which is updated more often, PuriFi Install or Azure ECM?

PuriFi Install ships an update every 3 months, and Azure ECM every 2 months. Most recently, PuriFi Install was updated on October 7, 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.*