Comparison

ICM Omni vs Arzel Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Reconfigure NFC compatible devices
  • Adjust device mode and parameters
  • Save custom device programs
  • Read device memory for confirmation
  • Replace legacy ICM parts
Read full description

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)

About

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.

Highlights
  • App-controlled zoning panel
  • Create up to 16 zones
  • One-tap equipment settings
  • Bluetooth configuration
  • System diagnostics
  • Software updates
Features
Read full description

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

ICM Omni4 screens
Arzel Pro4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
ICM Omni versus Arzel Pro: the parameters behind the verdict, then further details
ParameterICM OmniArzel Pro
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews0.0% of reviews—
Number of ratings12 — better
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.0
Further details — not scored
Size51 MB11 MB
Age rating4+4+
DeveloperICM Controls CorpArzel Technology, Inc.

In-app purchases

None

ICM Omni

No in-app purchases

None

Arzel Pro

No in-app purchases

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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