# IHWAP Diagnostics vs Ecode Dart

IHWAP Diagnostics and Ecode Dart are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Ecode Dart every 3 months. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | IHWAP Diagnostics | Ecode Dart |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 75 MB | 32 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Travis Jenkins](https://appshunter.io/developer/1618558495) | [MoBo's Inc](https://appshunter.io/developer/1595373039) |

## 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


### Ecode Dart

[App page](https://appshunter.io/ios/app/ecode-dart/id6466641715)

**In-app purchases:** none


## Frequently asked questions

### Is IHWAP Diagnostics free?

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

### Is Ecode Dart free?

Ecode Dart is free to download, with no in-app purchases.

### Do IHWAP Diagnostics or Ecode Dart have ads?

Neither IHWAP Diagnostics nor Ecode Dart shows ads.

### Which is updated more often, IHWAP Diagnostics or Ecode Dart?

IHWAP Diagnostics ships an update every 5 months, and Ecode Dart every 3 months. Most recently, IHWAP Diagnostics was updated on September 26, 2026 and Ecode Dart on September 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.*