# Retrotec rCloud vs IHWAP Diagnostics

The clearest difference is review sentiment: IHWAP Diagnostics at 100% against Retrotec rCloud's 50%. IHWAP Diagnostics also leads on rating (5.0 vs 2.5). Retrotec rCloud's advantage is update cadence (every 2 months vs every 5 months). On price, ratings volume, ads and in-app purchases 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 holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 50% of Retrotec rCloud's written reviews are positive against 100% of IHWAP Diagnostics's.

Retrotec rCloud ships an update every 2 months, IHWAP Diagnostics every 5 months. The most recent releases landed on September 17, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Retrotec rCloud | IHWAP Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (6 ratings)](https://appshunter.io/ios/app/retrotec-rcloud/id1083302878/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ihwap-diagnostics/id1618558493/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | Free |
| Size | 327 MB | 75 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RETROTEC, INC.](https://appshunter.io/developer/899311156) | [Travis Jenkins](https://appshunter.io/developer/1618558495) |

## What reviewers say

### Retrotec rCloud

[App page](https://appshunter.io/ios/app/retrotec-rcloud/id1083302878)

This app controls specialized testing equipment via WiFi or hotspot. It saves test results locally and to a cloud database, with completed tests viewable immediately on the app or website. Saved tests are encrypted and cannot be edited.

**Highlights:** Control manufacturing equipment, Save test results locally, Cloud data backup via Azure, View completed tests on app, View completed tests on website, Encrypted local databases

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Retrotec rCloud free?

Retrotec rCloud is free to download, with no in-app purchases.

### Is IHWAP Diagnostics free?

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

### Which has better reviews, Retrotec rCloud or IHWAP Diagnostics?

IHWAP Diagnostics is rated higher. Retrotec rCloud averages 2.5 out of 5 from 6 ratings, while IHWAP Diagnostics averages 5.0 from 5 ratings.

### Do Retrotec rCloud or IHWAP Diagnostics have ads?

Neither Retrotec rCloud nor IHWAP Diagnostics shows ads.

### Which is updated more often, Retrotec rCloud or IHWAP Diagnostics?

Retrotec rCloud ships an update every 2 months, and IHWAP Diagnostics every 5 months. Most recently, Retrotec rCloud was updated on September 17, 2026 and IHWAP Diagnostics on June 5, 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.*