ICM Omni vs Arzel Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ICM Omni
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.
- Reconfigure NFC compatible devices
- Adjust device mode and parameters
- Save custom device programs
- Read device memory for confirmation
- Replace legacy ICM parts
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The ICM Omni app supports a new line of NFC compatible products that gives the user the ability to reconfigure their device at will. (See full list of compatible products below.) To program, select your device, then adjust its mode and parameters to fit your application. With all the parameters set, place the back of your phone next to the large NFC logo located on the device and press the Program button. After a brief pause your device is ready to use. Want to confirm that your device programmed successfully? Read the memory of your device to bring up a list of its current mode and parameters. Press the save icon in the top right corner of the parameter screen to save a program for later use. Trying to replace another ICM part? Replace Legacy Product allows you to search for the part you are trying to replace and adjust its parameters accordingly. Compatible products: ICM 5-Wire Timer (ICM-UFPT-5), ICM 2-Wire Timer (ICM-UFPT-2), Universal Head Pressure Control (ICM-325A), Universal Defrost Control (ICM-UDEFROST)
Arzel Pro
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.
- App-controlled zoning panel
- Create up to 16 zones
- One-tap equipment settings
- Bluetooth configuration
- System diagnostics
- Software updates
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The Pro Panel is the future of zoning control technology, from Arzel Zoning Technology. This universal HVAC zoning panel is app-controlled and more customizable than ever. Create up to 16 zones, install with one-tap equipment settings, and use the Arzel Pro app for easy setup and diagnostics. The Arzel Pro app configures the Pro Panel using a Bluetooth connection. Connect your device to the Pro Panel to see current system information or to configure a new panel. The app also allows you to update the Pro Panel software if an update is available. This app is intended for HVAC contractors. Home and building owners can control the Pro Panel using the thermostats installed with the system.
Screenshots
Verdict
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.
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.
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.
| Parameter | ICM Omni | Arzel Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 51 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | ICM Controls Corp | Arzel Technology, Inc. |
In-app purchases
ICM Omni
No in-app purchases
Arzel Pro
No in-app purchases









