# #stadtsache vs Rechenfeld

The clearest difference is price: #stadtsache at Free against Rechenfeld's $0.99. #stadtsache also leads on update cadence (every 5 weeks vs every 5 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

#stadtsache is free to download; Rechenfeld costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

#stadtsache ships an update every 5 weeks, Rechenfeld every 5 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | #stadtsache | Rechenfeld |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | — | Paid |
| Size | 28 MB | 17 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anke Leitzgen](https://appshunter.io/developer/1198912497) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### #stadtsache

[App page](https://appshunter.io/ios/app/stadtsache/id1198912498)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rechenfeld

[App page](https://appshunter.io/ios/app/rechenfeld/id1558366734)

This app provides a visual aid for understanding addition and subtraction within various number ranges. It's designed to help children, especially those with learning difficulties, grasp mathematical concepts through interactive manipulation of virtual objects.

**Highlights:** Visualizes addition and subtraction, Supports number ranges up to 1000, Interactive manipulation of virtual tiles, Helps develop number sense and strategies, Illustrates decimal system concepts, Displays problems on number line and arrow diagrams

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is #stadtsache free?

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

### Is Rechenfeld free?

Rechenfeld costs $0.99, with no in-app purchases.

### Do #stadtsache or Rechenfeld have ads?

Neither #stadtsache nor Rechenfeld shows ads.

### Which is updated more often, #stadtsache or Rechenfeld?

#stadtsache ships an update every 5 weeks, and Rechenfeld every 5 months. Most recently, #stadtsache was updated on September 17, 2026 and Rechenfeld on September 21, 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.*