# Piping Calculators vs Material Numbers

The clearest difference is price: Material Numbers at Free against Piping Calculators's $19.99. Material Numbers also leads on iOS requirement (13.0 vs 16.4). On ads, in-app purchases and device support there is nothing between them.

Material Numbers is free to download; Piping Calculators costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Piping Calculators | Material Numbers |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 9 MB | 14 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jitendra Surve](https://appshunter.io/developer/1693898824) | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) |

## What reviewers say

### Piping Calculators

[App page](https://appshunter.io/ios/app/piping-calculators/id6478563085)

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

**In-app purchases:** none


### Material Numbers

[App page](https://appshunter.io/ios/app/material-numbers/id6503355283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Piping Calculators free?

Piping Calculators costs $19.99, with no in-app purchases.

### Is Material Numbers free?

Material Numbers is free to download, with no in-app purchases.

### Do Piping Calculators or Material Numbers have ads?

Neither Piping Calculators nor Material Numbers 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.*