# Rechenfeld vs L

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

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

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

## The numbers

| Metric | Rechenfeld | L |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 17 MB | 60 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Christian Urff](https://appshunter.io/developer/415894463) | [Alexandra Suffa](https://appshunter.io/developer/1814647909) |

## What reviewers say

### 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


### L

[App page](https://appshunter.io/ios/app/l-n-a/id6745968044)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rechenfeld free?

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

### Is L free?

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

### Do Rechenfeld or L have ads?

Neither Rechenfeld nor L shows ads.

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

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