# HVAC Pipe Sizer vs Pipe Diameter Calculators

The clearest difference is price: Pipe Diameter Calculators at Free against HVAC Pipe Sizer's $4.99. Pipe Diameter Calculators also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.0). HVAC Pipe Sizer's advantage is chart position (#148 vs unranked). On ads and device support there is nothing between them.

Pipe Diameter Calculators is free to download; HVAC Pipe Sizer costs $4.99 up front. HVAC Pipe Sizer sells 1 one-off in-app purchase. Pipe Diameter Calculators asks for nothing beyond the download.

## The numbers

| Metric | HVAC Pipe Sizer | Pipe Diameter Calculators |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Paid | — |
| Best chart rank | **#148** | — |
| Size | 1 MB | 39 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carmel Software Corporation](https://appshunter.io/developer/317970398) | [Ashvin Kevadiya](https://appshunter.io/developer/1756324971) |

## What reviewers say

### HVAC Pipe Sizer

[App page](https://appshunter.io/ios/app/hvac-pipe-sizer-liquid/id325069065)

**Currently charting:** #148 Top Paid · Productivity (US App Store)

Calculate pipe sizes for liquid systems, including hot and chilled water. Input flow rate, head loss, diameter, or velocity to determine other properties. Supports various liquids, pipe materials, and fittings, with English or metric units.

**Highlights:** Liquid pipe sizing, Hydronic system calculations, Input flow, head loss, diameter, or velocity, Calculate fluid flow and head loss, Supports various liquids and pipe materials, English and metric unit options, Email results

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

**In-app purchases (1)**

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


### Pipe Diameter Calculators

[App page](https://appshunter.io/ios/app/pipe-diameter-calculators/id6743020859)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HVAC Pipe Sizer free?

HVAC Pipe Sizer costs $4.99, and also offers in-app purchases.

### Is Pipe Diameter Calculators free?

Pipe Diameter Calculators is free to download, with no in-app purchases.

### Do HVAC Pipe Sizer or Pipe Diameter Calculators have ads?

Neither HVAC Pipe Sizer nor Pipe Diameter Calculators 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.*