# HVAC Pipe Sizer Plus vs HVAC Refrigerant PT

The clearest difference is rating: HVAC Refrigerant PT at 4.8 against HVAC Pipe Sizer Plus's 3.0. HVAC Refrigerant PT also leads on price ($6.99 vs $13.99) and ratings volume (64 vs 1). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

HVAC Pipe Sizer Plus costs $13.99 and HVAC Refrigerant PT $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HVAC Refrigerant PT holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: HVAC Refrigerant PT has 64 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of HVAC Pipe Sizer Plus's written reviews are positive against 83% of HVAC Refrigerant PT's.

HVAC Pipe Sizer Plus ships an update every 15 months, HVAC Refrigerant PT every 13 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | HVAC Pipe Sizer Plus | HVAC Refrigerant PT |
| --- | --- | --- |
| Price | $13.99 | **$6.99** |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/hvac-pipe-sizer-plus/id352069594/reviews) | **[4.8 (64 ratings)](https://appshunter.io/ios/app/hvac-refrigerant-pt/id633380165/reviews)** |
| Number of ratings | 1 | **64** |
| Positive reviews | 66.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 13 months** |
| Monetization | Paid | Paid |
| Size | 2 MB | 1 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Cyberprodigy LLC](https://appshunter.io/developer/510284906) |

## What reviewers say

### HVAC Pipe Sizer Plus

[App page](https://appshunter.io/ios/app/hvac-pipe-sizer-plus/id352069594)

This utility app combines three specialized pipe sizing tools for HVAC systems: liquid, steam, and gas. It offers flexible input options, unit conversions, and an equipment locator for comprehensive HVAC design.

**Highlights:** Liquid pipe sizing, Steam pipe sizing with steam table calculator, Gas pipe sizing (low and high pressure), HVAC Equipment Locator, Slider controls for input adjustments, English and Metric unit display

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

**In-app purchases:** none


### HVAC Refrigerant PT

[App page](https://appshunter.io/ios/app/hvac-refrigerant-pt/id633380165)

This utility app provides HVAC professionals with essential refrigerant pressure and temperature charts, along with detailed physical properties for numerous refrigerants. It offers customizable units for temperature and pressure, making it a comprehensive tool for air conditioning system diagnostics and maintenance.

**Highlights:** Refrigerant pressure/temperature (PT) charts, Bubble and Dew Point data, Customizable temperature units (C/F), Selectable pressure units (psig, kPa, psia, etc.), Detailed refrigerant physical properties, Color code information

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Pipe Sizer Plus free?

HVAC Pipe Sizer Plus costs $13.99, with no in-app purchases.

### Is HVAC Refrigerant PT free?

HVAC Refrigerant PT costs $6.99, with no in-app purchases.

### Which has better reviews, HVAC Pipe Sizer Plus or HVAC Refrigerant PT?

HVAC Refrigerant PT is rated higher. HVAC Pipe Sizer Plus averages 3.0 out of 5 from 1 ratings, while HVAC Refrigerant PT averages 4.8 from 64 ratings.

### Do HVAC Pipe Sizer Plus or HVAC Refrigerant PT have ads?

Neither HVAC Pipe Sizer Plus nor HVAC Refrigerant PT shows ads.

### Which is updated more often, HVAC Pipe Sizer Plus or HVAC Refrigerant PT?

HVAC Pipe Sizer Plus ships an update every 15 months, and HVAC Refrigerant PT every 13 months. Most recently, HVAC Pipe Sizer Plus was updated on November 1, 2026 and HVAC Refrigerant PT on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*