# Plumbing Formulator vs Piping Dimensions App

The clearest difference is price: Plumbing Formulator at Free against Piping Dimensions App's $9.99. Piping Dimensions App's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

Plumbing Formulator is free to download; Piping Dimensions App costs $9.99 up front. Plumbing Formulator sells 4 one-off in-app purchases. Piping Dimensions App asks for nothing beyond the download.

## The numbers

| Metric | Plumbing Formulator | Piping Dimensions App |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/plumbing-formulator/id303497783/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 123 MB | 10 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Historycentral.com](https://appshunter.io/developer/1744330560) | [Jitendra Surve](https://appshunter.io/developer/1693898824) |

## What reviewers say

### Plumbing Formulator

[App page](https://appshunter.io/ios/app/plumbing-formulator/id303497783)

This professional calculator app provides over 200 formulas, calculators, and reference materials for plumbers, HVAC technicians, and mechanical contractors. It covers a wide range of calculations for water flow, piping, drainage, water heaters, pumps, and more, all in one pocket-sized tool.

**Highlights:** Over 200 formulas and calculators, Water flow and supply calculations, Pipe and piping calculations, Drainage and venting calculations, Water heater and pump calculations, Reference charts and code books, Pipe cut list optimizer

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |
| Pro Purchase | $3.99 | one-time |
| Starter | $5.99 | one-time |
| Growth | $9.99 | one-time |


### Piping Dimensions App

[App page](https://appshunter.io/ios/app/piping-dimensions-app/id6504369238)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plumbing Formulator free?

Plumbing Formulator is free to download, with in-app purchases available.

### Is Piping Dimensions App free?

Piping Dimensions App costs $9.99, with no in-app purchases.

### Do Plumbing Formulator or Piping Dimensions App have ads?

Neither Plumbing Formulator nor Piping Dimensions App 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.*