# Hydraulic Calculator Engineer vs FirstApps QR Code Generator

The clearest difference is device support: Hydraulic Calculator Engineer at 3 against FirstApps QR Code Generator's —. Hydraulic Calculator Engineer also leads on iOS requirement (15.0 vs 17.0). 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 | Hydraulic Calculator Engineer | FirstApps QR Code Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (9 ratings)](https://appshunter.io/ios/app/hydraulic-calculator-engineer/id1664790770/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 22 months | — |
| Monetization | Free | — |
| Size | 21 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) | [Reimer Digital LLC](https://appshunter.io/developer/1880331604) |

## What reviewers say

### Hydraulic Calculator Engineer

[App page](https://appshunter.io/ios/app/hydraulic-calculator-engineer/id1664790770)

This app offers a suite of hydraulic calculations for technicians and engineers. It simplifies complex hydraulics by automatically computing results based on user-entered values, eliminating the need for manual formula application.

**Highlights:** Cylinder Calculation, Power Calculation, Pressure Difference, Piston Diameter, Speed Calculation, Lifting Time, Volume Flow

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

**In-app purchases:** none


### FirstApps QR Code Generator

[App page](https://appshunter.io/ios/app/firstapps-qr-code-generator/id6759716748)

**In-app purchases:** none


## Frequently asked questions

### Is Hydraulic Calculator Engineer free?

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

### Is FirstApps QR Code Generator free?

FirstApps QR Code Generator 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.*