# IHWAP Diagnostics vs Conduit HVAC Toolkit

The clearest difference is update cadence: Conduit HVAC Toolkit at every 3 weeks against IHWAP Diagnostics's every 5 months. Conduit HVAC Toolkit also leads on ratings volume (40 vs 5). IHWAP Diagnostics's advantage is iOS requirement (16.0 vs 18.6). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for IHWAP Diagnostics against 4.9 for Conduit HVAC Toolkit. That said, the two scores are not equally well evidenced: Conduit HVAC Toolkit has 40 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

IHWAP Diagnostics ships an update every 5 months, Conduit HVAC Toolkit every 3 weeks. The most recent releases landed on October 12, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | IHWAP Diagnostics | Conduit HVAC Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ihwap-diagnostics/id1618558493/reviews)** | [4.9 (40 ratings)](https://appshunter.io/ios/app/conduit-hvac-toolkit/id6444496270/reviews) |
| Number of ratings | 5 | **40** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 75 MB | 87 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Travis Jenkins](https://appshunter.io/developer/1618558495) | [Conduit Tech](https://appshunter.io/developer/1654960982) |

## What reviewers say

### IHWAP Diagnostics

[App page](https://appshunter.io/ios/app/ihwap-diagnostics/id1618558493)

This application assists with home weatherization by quantifying air leakage, calculating ventilation needs, and assessing duct system pressure against program standards. It helps prioritize air sealing and ensures compliance with energy efficiency guidelines.

**Highlights:** Zone Pressure Diagnostics (ZPD), Total External Static Pressure (TESP) calculation, ASHRAE ventilation requirements, Leakage reduction potential estimation, ENERGY STAR compliance checks

**Features:** macOS Compatibility

**In-app purchases:** none


### Conduit HVAC Toolkit

[App page](https://appshunter.io/ios/app/conduit-hvac-toolkit/id6444496270)

This iPad app empowers HVAC contractors to quickly scan homes, generate 3D models, and perform certified load calculations. Visualize installations with augmented reality and create professional reports to build customer trust and close more sales.

**Highlights:** LiDAR-powered home scanning, 3D model creation, ACCA-certified load calculations, Augmented reality equipment visualization, Professional report generation, Faster sales process

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IHWAP Diagnostics free?

IHWAP Diagnostics is free to download, with no in-app purchases.

### Is Conduit HVAC Toolkit free?

Conduit HVAC Toolkit is free to download, with no in-app purchases.

### Which has better reviews, IHWAP Diagnostics or Conduit HVAC Toolkit?

IHWAP Diagnostics is rated higher. IHWAP Diagnostics averages 5.0 out of 5 from 5 ratings, while Conduit HVAC Toolkit averages 4.9 from 40 ratings.

### Do IHWAP Diagnostics or Conduit HVAC Toolkit have ads?

Neither IHWAP Diagnostics nor Conduit HVAC Toolkit shows ads.

### Which is updated more often, IHWAP Diagnostics or Conduit HVAC Toolkit?

IHWAP Diagnostics ships an update every 5 months, and Conduit HVAC Toolkit every 3 weeks. Most recently, IHWAP Diagnostics was updated on October 12, 2026 and Conduit HVAC Toolkit on October 27, 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.*