Comparison

HVAC Decoder vs InspectorIQ

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
Currently charting
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

InspectorIQ

Instantly identify HVAC and water heater equipment using your camera. This tool decodes serial numbers, offers AI-powered guidance for repairs, and suggests local professionals, saving you valuable time in the field.

Highlights
  • Camera-based serial number capture
  • HVAC serial number decoding
  • Water heater serial number decoding
  • AI equipment and repair guidance
  • Nearby professional recommendations
  • Scan history saving
  • Reduced manual lookup time
Features
Read full description

InspectorIQ is a camera-based serial number decoder built for inspectors, contractors, technicians, and other field professionals who need faster equipment identification for HVAC and water heater systems. Instead of manually looking up serial numbers and manufacturer formats, users can capture equipment information with their camera and InspectorIQ helps interpret supported serial number data more efficiently while on site. InspectorIQ also includes an AI assistant that can help users explore equipment- and repair-related questions, surface general guidance, and suggest nearby professionals when local service may be needed. Whether you work in home inspections, HVAC service, property evaluations, or general fieldwork, InspectorIQ is designed to help reduce manual lookup time and simplify equipment identification in the field. Features include: - Capture equipment serial number information using your camera - Decode supported HVAC serial numbers more efficiently - Decode supported water heater serial numbers more efficiently - Reduce manual lookup time in the field - Save scan history to your account - Use the AI assistant for general equipment and repair-related guidance - View nearby professional recommendations when additional help is needed - InspectorIQ is designed for real-world field use when speed, convenience, and clearer equipment information matter. Account Required Users create an account so scan history and related app data can be saved to their profile. Free Trial and Subscription InspectorIQ includes a 7-day free trial for new users. After the trial, continued access requires InspectorIQ Pro, an auto-renewable monthly subscription priced at $14.99/month. Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current billing period. Your account will be charged for renewal within 24 hours before the end of the current period. You can manage and cancel your subscription in your App Store account settings. Privacy Policy: https://homeowneriq.org/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

HVAC Decoder4 screens
InspectorIQ4 screens

Verdict

The call

The clearest difference is price: InspectorIQ at Free against HVAC Decoder's $9.99. InspectorIQ also leads on update cadence (every 6 days vs every 3 months) and rating (4.3 vs 4.0). HVAC Decoder's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support 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

InspectorIQ is free to download; HVAC Decoder costs $9.99 up front. InspectorIQ sells 1 in-app purchase, starting at $9.99 per month. HVAC Decoder asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

InspectorIQ holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 28 and 6 respectively. Written reviews point the same way: 69% of HVAC Decoder's written reviews are positive against 80% of InspectorIQ's.

UpkeepUpdate frequency

HVAC Decoder ships an update every 3 months, InspectorIQ every 6 days. The most recent releases landed on September 21, 2026 and September 26, 2026 respectively.

Scorecard10 real differences · 1 level
HVAC Decoder versus InspectorIQ: the parameters behind the verdict, then further details
ParameterHVAC DecoderInspectorIQ
Price$9.99Free — better
Rating4.0 (28 ratings)4.3 (6 ratings) — better
Positive reviews68.8% of reviews80.0% of reviews — better
Number of ratings28 — better6
Update frequencyEvery 3 monthsEvery 6 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
Best chart rank#200 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.0
Further details — not scored
Size6 MB35 MB
Age rating4+4+
DeveloperCharles CopeInspectorIQ LLC

Customer experience

HVAC Decoder

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

InspectorIQ

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

In-app purchases

None

HVAC Decoder

No in-app purchases

1 purchases

InspectorIQ

Subscriptions1
  • InspectorIQ Pro7 Days trial$9.991 Month

Questions

Is HVAC Decoder free?
HVAC Decoder costs $9.99, with no in-app purchases.
Is InspectorIQ free?
InspectorIQ is free to download, with in-app purchases available.
Which has better reviews, HVAC Decoder or InspectorIQ?
InspectorIQ is rated higher. HVAC Decoder averages 4.0 out of 5 from 28 ratings, while InspectorIQ averages 4.3 from 6 ratings.
Do HVAC Decoder or InspectorIQ have ads?
InspectorIQ shows ads; HVAC Decoder does not.
Which is updated more often, HVAC Decoder or InspectorIQ?
HVAC Decoder ships an update every 3 months, and InspectorIQ every 6 days. Most recently, HVAC Decoder was updated on September 21, 2026 and InspectorIQ on September 26, 2026.

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