# MatheX vs Rechenfeld

The clearest difference is price: MatheX at Free against Rechenfeld's $0.99. MatheX also leads on review sentiment (89% vs 50%) and update cadence (every 2 weeks vs every 5 months). On ads and in-app purchases there is nothing between them.

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

MatheX ships an update every 2 weeks, Rechenfeld every 5 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MatheX | Rechenfeld |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/mathex-practice-math/id1502308702/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **88.9% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | **Free** | Paid |
| Size | 35 MB | 17 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Neuber](https://appshunter.io/developer/1502308701) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### MatheX

[App page](https://appshunter.io/ios/app/mathex-practice-math/id1502308702)

This app offers an innovative, speech-based approach to practicing math. Advanced algorithms personalize problem difficulty, creating a motivating and intuitive learning experience. It has received multiple awards and recognition for its unique educational methodology.

**Highlights:** Speech-based training, Adaptive problem difficulty, Intuitive learning experience, Award-winning design, Research-based exercises

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

**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 MatheX free?

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

### Is Rechenfeld free?

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

### Do MatheX or Rechenfeld have ads?

Neither MatheX nor Rechenfeld shows ads.

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

MatheX ships an update every 2 weeks, and Rechenfeld every 5 months. Most recently, MatheX was updated on October 14, 2026 and Rechenfeld on October 7, 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.*