# HVAC Decoder vs InspectorIQ

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.

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.

## The numbers

| Metric | HVAC Decoder | InspectorIQ |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.0 (28 ratings)](https://appshunter.io/ios/app/hvac-decoder/id1355543096/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/inspectoriq/id6759354095/reviews)** |
| Number of ratings | **28** | 6 |
| Positive reviews | 68.8% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | **Paid** | Subscription |
| Best chart rank | **#200** | — |
| Size | 6 MB | 35 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charles Cope](https://appshunter.io/developer/1355543095) | [InspectorIQ LLC](https://appshunter.io/developer/1878253986) |

## What reviewers say

### HVAC Decoder

[App page](https://appshunter.io/ios/app/hvac-decoder/id1355543096)

**Currently charting:** #200 Top Paid · Utilities (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### InspectorIQ

[App page](https://appshunter.io/ios/app/inspectoriq/id6759354095)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InspectorIQ Pro | $9.99 | per month |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*