# Wolf Netzrechner vs HydroniCalc

The clearest difference is in-app purchases: Wolf Netzrechner at none against HydroniCalc's 1. Wolf Netzrechner also leads on iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. HydroniCalc sells 1 one-off in-app purchase. Wolf Netzrechner asks for nothing beyond the download.

## The numbers

| Metric | Wolf Netzrechner | HydroniCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 20 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [arcade solutions ag](https://appshunter.io/developer/1105330983) | [Eric Chmara](https://appshunter.io/developer/1892404568) |

## What reviewers say

### Wolf Netzrechner

[App page](https://appshunter.io/ios/app/wolf-netzrechner/id6480057609)

**Features:** macOS Compatibility

**In-app purchases:** none


### HydroniCalc

[App page](https://appshunter.io/ios/app/hydronicalc/id6796810526)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Calculators | $12.99 | one-time |


## Frequently asked questions

### Is Wolf Netzrechner free?

Wolf Netzrechner is free to download, with no in-app purchases.

### Is HydroniCalc free?

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

### Do Wolf Netzrechner or HydroniCalc have ads?

Neither Wolf Netzrechner nor HydroniCalc 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.*