# HVACsim vs InspectorIQ

The clearest difference is rating: InspectorIQ at 4.3 against HVACsim's 2.6. InspectorIQ also leads on update cadence (every 5 days vs every 2 months). HVACsim's advantage is monetization model (free with in-app purchases vs subscription) and ads (none vs shown). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. HVACsim sells 1 one-off in-app purchase and InspectorIQ sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

InspectorIQ holds the better App Store score, 4.3 against 2.6. Both are backed by a comparable volume of ratings — 10 and 6 respectively.

HVACsim ships an update every 2 months, InspectorIQ every 5 days. The most recent releases landed on September 20, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | HVACsim | InspectorIQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (10 ratings)](https://appshunter.io/ios/app/hvacsim/id6740935191/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/inspectoriq/id6759354095/reviews)** |
| Number of ratings | **10** | 6 |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 20 MB | 39 MB |
| Requires iOS | **13.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nauman Innovation Group LLC](https://appshunter.io/developer/1764933586) | [InspectorIQ LLC](https://appshunter.io/developer/1878253986) |

## What reviewers say

### HVACsim

[App page](https://appshunter.io/ios/app/hvacsim/id6740935191)

This app offers interactive learning and real-world data analysis to help HVAC professionals diagnose and troubleshoot systems. It provides personalized training plans, skill assessments, and team management tools for contractors.

**Highlights:** Technical Knowledge Evaluator, Individualized Learning Plans, Real-World Data Analysis, Team Management Tools, Continuous Learning Library

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $29.99 | one-time |


### 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 HVACsim free?

HVACsim is free to download, with in-app purchases available.

### Is InspectorIQ free?

InspectorIQ is free to download, with in-app purchases available.

### Which has better reviews, HVACsim or InspectorIQ?

InspectorIQ is rated higher. HVACsim averages 2.6 out of 5 from 10 ratings, while InspectorIQ averages 4.3 from 6 ratings.

### Do HVACsim or InspectorIQ have ads?

InspectorIQ shows ads; HVACsim does not.

### Which is updated more often, HVACsim or InspectorIQ?

HVACsim ships an update every 2 months, and InspectorIQ every 5 days. Most recently, HVACsim was updated on September 20, 2026 and InspectorIQ on August 20, 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.*