# ICM Omni vs Arzel Pro

The clearest difference is update cadence: ICM Omni at monthly against Arzel Pro's every 3 months. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ICM Omni against 5.0 for Arzel Pro. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ICM Omni ships an update monthly, Arzel Pro every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ICM Omni | Arzel Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/icm-omni/id1668830205/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/arzel-pro/id6670562268/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 51 MB | 11 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ICM Controls Corp](https://appshunter.io/developer/879929077) | [Arzel Technology, Inc.](https://appshunter.io/developer/644309533) |

## What reviewers say

### ICM Omni

[App page](https://appshunter.io/ios/app/icm-omni/id1668830205)

This utility app allows users to reconfigure NFC-compatible devices by adjusting modes and parameters. Save custom settings, read device memory to confirm programming, and replace legacy ICM parts with ease.

**Highlights:** Reconfigure NFC compatible devices, Adjust device mode and parameters, Save custom device programs, Read device memory for confirmation, Replace legacy ICM parts

**In-app purchases:** none


### Arzel Pro

[App page](https://appshunter.io/ios/app/arzel-pro/id6670562268)

This app allows HVAC contractors to configure and manage a universal zoning panel. It offers easy setup, diagnostics, and software updates via a Bluetooth connection. Homeowners control the system through installed thermostats.

**Highlights:** App-controlled zoning panel, Create up to 16 zones, One-tap equipment settings, Bluetooth configuration, System diagnostics, Software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ICM Omni free?

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

### Is Arzel Pro free?

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

### Which has better reviews, ICM Omni or Arzel Pro?

ICM Omni and Arzel Pro are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ICM Omni or Arzel Pro have ads?

Neither ICM Omni nor Arzel Pro shows ads.

### Which is updated more often, ICM Omni or Arzel Pro?

ICM Omni ships an update monthly, and Arzel Pro every 3 months. Most recently, ICM Omni was updated on November 3, 2026 and Arzel Pro on October 30, 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.*