HVAC Decoder vs InspectorIQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- 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
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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
Verdict
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
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.
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.
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.
| Parameter | HVAC Decoder | InspectorIQ |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.0 (28 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | 68.8% of reviews | 80.0% of reviews — better |
| Number of ratings | 28 — better | 6 |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Best chart rank | #200 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 6 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Charles Cope | InspectorIQ LLC |
Customer experience
HVAC Decoder
InspectorIQ
In-app purchases
HVAC Decoder
No in-app purchases
InspectorIQ
- InspectorIQ Pro7 Days trial$9.991 Month





