# Engineer Calculator vs Pipe Calc

The clearest difference is device support: Pipe Calc at 3 against Engineer Calculator's —. Pipe Calc also leads on iOS requirement (13.0 vs 15.1). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Engineer Calculator | Pipe Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 3 days |
| Size | 22 MB | 30 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Sooseok Oh](https://appshunter.io/developer/1495610096) | [Gun woo Kim](https://appshunter.io/developer/1700263119) |

## What reviewers say

### Engineer Calculator

[App page](https://appshunter.io/ios/app/engineer-calculator/id6761696084)

**In-app purchases:** none


### Pipe Calc

[App page](https://appshunter.io/ios/app/pipe-calc-pipefitter-offsets/id6786981763)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engineer Calculator free?

Engineer Calculator is free to download, with no in-app purchases.

### Is Pipe Calc free?

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

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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.*