# HydroCalc Basic vs UNIROR Pigging Calculator

The clearest difference is in-app purchases: UNIROR Pigging Calculator at none against HydroCalc Basic's 1. HydroCalc Basic's advantage is iOS requirement (15.1 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. HydroCalc Basic sells 1 one-off in-app purchase. UNIROR Pigging Calculator asks for nothing beyond the download.

## The numbers

| Metric | HydroCalc Basic | UNIROR Pigging Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | — |
| Size | 35 MB | 42 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Transparent Blue Water LLC](https://appshunter.io/developer/1847968351) | [UNIROR Universal-Rohrreinigungs GmbH Forst](https://appshunter.io/developer/6783254720) |

## What reviewers say

### HydroCalc Basic

[App page](https://appshunter.io/ios/app/hydrocalc-basic/id6752577110)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Flow Units & Ad-Free | $1.99 | one-time |


### UNIROR Pigging Calculator

[App page](https://appshunter.io/ios/app/uniror-pigging-calculator/id6783254718)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HydroCalc Basic free?

HydroCalc Basic is free to download, with in-app purchases available.

### Is UNIROR Pigging Calculator free?

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

### Do HydroCalc Basic or UNIROR Pigging Calculator have ads?

Neither HydroCalc Basic nor UNIROR Pigging Calculator 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.*