# Kiene Klanken vs Rolf Connect Math

The clearest difference is device support: Rolf Connect Math at 3 against Kiene Klanken's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Kiene Klanken ships an update every 2 months, Rolf Connect Math every 3 months. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Kiene Klanken | Rolf Connect Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kiene-klanken/id1196840254/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 183 MB | 251 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heutink Primair Onderwijs BV](https://appshunter.io/developer/501293753) | [De Rolf Groep](https://appshunter.io/developer/1337618432) |

## What reviewers say

### Kiene Klanken

[App page](https://appshunter.io/ios/app/kiene-klanken/id1196840254)

This app enhances a physical stamp set for young children learning to read. It allows children to interact with letters, words, and sounds through a tablet, making stamping a rich learning activity with visual and audio support.

**Highlights:** Interactive learning with physical stamps, Playful introduction to letters and words, Audio and visual support for learning, Aligns with early reading methods, Suitable for advanced readers in early grades

**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 Kiene Klanken free?

Kiene Klanken 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 Kiene Klanken or Rolf Connect Math have ads?

Neither Kiene Klanken nor Rolf Connect Math shows ads.

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

Kiene Klanken ships an update every 2 months, and Rolf Connect Math every 3 months. Most recently, Kiene Klanken was updated on October 21, 2026 and Rolf Connect Math on October 26, 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.*