# PCP Calculator vs HydroTech Pocket Engineer

The clearest difference is iOS requirement: PCP Calculator at 12.0 against HydroTech Pocket Engineer's 15.0. On price, ads, in-app purchases and device support 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 | PCP Calculator | HydroTech Pocket Engineer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 26 MB | 3 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NETZSCH DO BRASIL INDUSTRIA E COMERCIO LTDA](https://appshunter.io/developer/1755476547) | [michael schricker](https://appshunter.io/developer/1895753612) |

## What reviewers say

### PCP Calculator

[App page](https://appshunter.io/ios/app/pcp-calculator/id6547868693)

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroTech Pocket Engineer

[App page](https://appshunter.io/ios/app/hydrotech-pocket-engineer/id6764373443)

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

**In-app purchases:** none


## Frequently asked questions

### Is PCP Calculator free?

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

### Is HydroTech Pocket Engineer free?

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

### Do PCP Calculator or HydroTech Pocket Engineer have ads?

Neither PCP Calculator nor HydroTech Pocket Engineer 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.*