# IHWAP Diagnostics vs EMC Debug

The clearest difference is ads: IHWAP Diagnostics at none against EMC Debug's shown. EMC Debug's advantage is update cadence (weekly vs every 5 months) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

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

IHWAP Diagnostics ships an update every 5 months, EMC Debug weekly. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | IHWAP Diagnostics | EMC Debug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ihwap-diagnostics/id1618558493/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free | — |
| Size | 75 MB | 63 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Travis Jenkins](https://appshunter.io/developer/1618558495) | [CHEHUNG LIN](https://appshunter.io/developer/1875201673) |

## 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


### EMC Debug

[App page](https://appshunter.io/ios/app/emc-debug/id6758831611)

**Features:** macOS Compatibility, 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 EMC Debug free?

EMC Debug is free to download, with no in-app purchases.

### Do IHWAP Diagnostics or EMC Debug have ads?

EMC Debug shows ads; IHWAP Diagnostics does not.

### Which is updated more often, IHWAP Diagnostics or EMC Debug?

IHWAP Diagnostics ships an update every 5 months, and EMC Debug weekly. Most recently, IHWAP Diagnostics was updated on November 3, 2026 and EMC Debug on November 9, 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.*