Comparison

HVAC Decoder vs ICM Omni

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

Head to head
About

HVAC Decoder

Decode HVAC model and serial numbers from major brands. This utility app provides thousands of model numbers and can email search results. It supports a wide range of HVAC equipment and offers close matches for unknown numbers.

Highlights
  • Decode HVAC model numbers
  • Decode HVAC serial numbers
  • Supports major HVAC brands
  • Thousands of model numbers
  • Email search results
  • Close match functionality
  • Report missing data
Features
Read full description

This app will decode the model number nomenclature of most HVAC companies. It has all the major brand names with many thousands of model numbers. It will also decode the serial number for many HVAC companies. It has the ability to email the search results in HTML format via an installed mail client. App is effective at decoding model and serial numbers for packaged units, air conditioners / condensing units, air handlers, evaporator coils, furnaces, heat pumps, boilers, chillers, split systems / mini splits, geothermal systems, and more.  If the model number is not found exactly it will try a close match. If there is no close match it will give you the option to report missing data. The data is constantly updated and purchase of the app gets you free updates forever.

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)

Screenshots

HVAC Decoder4 screens
ICM Omni4 screens

Verdict

The call

The clearest difference is review sentiment: HVAC Decoder at 69% against ICM Omni's 0%. HVAC Decoder also leads on ratings volume (28 vs 1). ICM Omni's advantage is price (Free vs $9.99) and rating (5.0 vs 4.0). On ads, in-app purchases, device support and iOS requirement 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

ICM Omni is free to download; HVAC Decoder costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ICM Omni holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: HVAC Decoder has 28 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 69% of HVAC Decoder's written reviews are positive against 0% of ICM Omni's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

HVAC Decoder ships an update every 3 months, ICM Omni monthly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard6 real differences · 4 level
HVAC Decoder versus ICM Omni: the parameters behind the verdict, then further details
ParameterHVAC DecoderICM Omni
Price$9.99Free — better
Rating4.0 (28 ratings)5.0 (1 ratings) — better
Positive reviews68.8% of reviews — better0.0% of reviews
Number of ratings28 — better1
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.014.0
Further details — not scored
Size6 MB51 MB
Age rating4+4+
DeveloperCharles CopeICM controls corp

Customer experience

HVAC Decoder

All ratings28 ratings
Positive71.4%
Neutral10.7%
Negative17.9%
Written reviews16 reviews
Positive68.8%
Neutral18.8%
Negative12.5%

ICM Omni

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

HVAC Decoder

No in-app purchases

None

ICM Omni

No in-app purchases

Questions

Is HVAC Decoder free?
HVAC Decoder costs $9.99, with no in-app purchases.
Is ICM Omni free?
ICM Omni is free to download, with no in-app purchases.
Which has better reviews, HVAC Decoder or ICM Omni?
ICM Omni is rated higher. HVAC Decoder averages 4.0 out of 5 from 28 ratings, while ICM Omni averages 5.0 from 1 ratings.
Do HVAC Decoder or ICM Omni have ads?
Neither HVAC Decoder nor ICM Omni shows ads.
Which is updated more often, HVAC Decoder or ICM Omni?
HVAC Decoder ships an update every 3 months, and ICM Omni monthly. Most recently, HVAC Decoder was updated on October 7, 2026 and ICM Omni on October 14, 2026.

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