# Back App vs PortionRechner

The clearest difference is ads: Back App at none against PortionRechner's shown. PortionRechner's advantage is update cadence (daily vs every 14 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Back App ships an update every 14 months, PortionRechner daily. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Back App | PortionRechner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Daily** |
| Monetization | Free | — |
| Size | 18 MB | 24 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moritz Schaub](https://appshunter.io/developer/1574908435) | [Michael Kaliwas](https://appshunter.io/developer/1873599794) |

## What reviewers say

### Back App

[App page](https://appshunter.io/ios/app/back-app/id1574908433)

Manage your recipes and plan your baking days with this modern iOS app. It helps you create schedules with precise ingredient quantities and temperatures, and allows you to export and import recipes to share with others.

**Highlights:** Recipe management, Baking day scheduling, Ingredient quantity calculation, Temperature calculation, Recipe export/import, Automatic ingredient recognition

**Features:** macOS Compatibility

**In-app purchases:** none


### PortionRechner

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Back App free?

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

### Is PortionRechner free?

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

### Do Back App or PortionRechner have ads?

PortionRechner shows ads; Back App does not.

### Which is updated more often, Back App or PortionRechner?

Back App ships an update every 14 months, and PortionRechner daily. Most recently, Back App was updated on October 7, 2026 and PortionRechner on October 11, 2026.

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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.*