# Letterfun vs Rolf Connect Math

The clearest difference is update cadence: Letterfun at every 3 weeks against Rolf Connect Math's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Letterfun ships an update every 3 weeks, Rolf Connect Math every 3 months. The most recent releases landed on October 20, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Letterfun | Rolf Connect Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/letterfun/id1242875879/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 103 MB | 251 MB |
| Requires iOS | **11.1** | 12.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dieverz](https://appshunter.io/developer/1242875878) | [De Rolf Groep](https://appshunter.io/developer/1337618432) |

## What reviewers say

### Letterfun

[App page](https://appshunter.io/ios/app/letterfun/id1242875879)

This app helps children aged 4 and up learn to read and write through four progressive levels. It supports learning in German, English, Spanish, and Dutch, with vocabulary tailored to a child's world.

**Highlights:** Four progressive learning levels, Learn reading and writing, Multilingual support (DE, EN, ES, NL), Age-appropriate content, Vocabulary based on child's experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Rolf Connect Math

[App page](https://appshunter.io/ios/app/rolf-connect-math/id1457328747)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Letterfun free?

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

### Is Rolf Connect Math free?

Rolf Connect Math is free to download, with no in-app purchases.

### Do Letterfun or Rolf Connect Math have ads?

Neither Letterfun nor Rolf Connect Math shows ads.

### Which is updated more often, Letterfun or Rolf Connect Math?

Letterfun ships an update every 3 weeks, and Rolf Connect Math every 3 months. Most recently, Letterfun was updated on October 20, 2026 and Rolf Connect Math 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.*