# HVAC Psychrometric Plus vs PT Ductulator

The clearest difference is price: PT Ductulator at Free against HVAC Psychrometric Plus's $6.99. PT Ductulator also leads on in-app purchases (none vs 1). HVAC Psychrometric Plus's advantage is chart position (#64 vs unranked) and iOS requirement (17.0 vs 26.1). On ads and device support there is nothing between them.

PT Ductulator is free to download; HVAC Psychrometric Plus costs $6.99 up front. HVAC Psychrometric Plus sells 1 one-off in-app purchase. PT Ductulator asks for nothing beyond the download.

## The numbers

| Metric | HVAC Psychrometric Plus | PT Ductulator |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hvac-psychrometric-plus/id348669031/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Paid | — |
| Best chart rank | **#64** | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Randall McGrath](https://appshunter.io/developer/1816832117) |

## What reviewers say

### HVAC Psychrometric Plus

[App page](https://appshunter.io/ios/app/hvac-psychrometric-plus/id348669031)

**Currently charting:** #64 Top Paid · Productivity (US App Store)

Perform single-state and mixed-air psychrometric calculations quickly and easily. Select input parameters and view updated results on a single screen. Supports 23 input combinations and offers email/spreadsheet export.

**Highlights:** Single-state psychrometric calculations, Mixed-air psychrometric calculations, 23 input parameter combinations, Real-time result updates, Universal app for iPhone and iPad, Email and spreadsheet export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HVAC Equipment Locator | $9.99 | one-time |


### PT Ductulator

[App page](https://appshunter.io/ios/app/pt-ductulator/id6755953588)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Psychrometric Plus free?

HVAC Psychrometric Plus costs $6.99, and also offers in-app purchases.

### Is PT Ductulator free?

PT Ductulator is free to download, with no in-app purchases.

### Do HVAC Psychrometric Plus or PT Ductulator have ads?

Neither HVAC Psychrometric Plus nor PT Ductulator shows ads.

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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.*