# GastroKalk vs PortionRechner

The clearest difference is in-app purchases: PortionRechner at none against GastroKalk's 2. PortionRechner also leads on iOS requirement (13.0 vs 15.0). GastroKalk's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. GastroKalk sells 2 in-app purchases, starting at $22.99 per month. PortionRechner asks for nothing beyond the download.

## The numbers

| Metric | GastroKalk | PortionRechner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Daily |
| Size | 2 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marcel Gartner](https://appshunter.io/developer/1790241833) | [Michael Kaliwas](https://appshunter.io/developer/1873599794) |

## What reviewers say

### GastroKalk

[App page](https://appshunter.io/ios/app/gastrokalk/id6756578499)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional | $22.99 | per month |
| Enterprise | $49.99 | per month |


### PortionRechner

[App page](https://appshunter.io/ios/app/portionrechner/id6758581019)

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

**In-app purchases:** none


## Frequently asked questions

### Is GastroKalk free?

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

### Is PortionRechner free?

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

### Do GastroKalk or PortionRechner have ads?

PortionRechner shows ads; GastroKalk does not.

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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.*