Math Bus vs Kiene Klanken
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Math Bus
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Math Bus, an app for learning math to children in a simple way (adding, subtracting and a combination of these) The game consists of : - different levels - adding, subtracting and a combination of these - explanation of the sums The app is meant for children in the age of 6 till 8.
Kiene Klanken
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.
- 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
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Kiene Klanken App voor gebruik bij de houten stempelset van Kiene Klanken. Jonge kinderen zijn volop bezig met ‘lezen’. Ze maken spelenderwijs kennis met letters en woorden. Deze app maakt van stempelen een extra rijke leeractiviteit door fysieke stempels te laten communiceren met de tablet. Stempel met de houten Kiene Klanken stempels op de tablet en de app zorgt er voor dat stempel en tablet met elkaar ‘praten’. Spelen en oefenen met letters, woorden en klanken, ondersteund door beeld én geluid. De letter-, woord-, en klankoefeningen in de app sluiten naadloos aan op de aanvankelijk leesmethodes voor groep 3. In groep 1 en 2 is de app al in te zetten bij kinderen met een voorsprong in lezen. De set interactieve klankstempels Kiene Klanken 523.400 is verkrijgbaar bij Heutink International, Industriepark 14, 7021 BL Zelhem, tel: +31 314 627 127
Screenshots
Verdict
The clearest difference is price: Kiene Klanken at Free against Math Bus's $0.99. Math Bus's advantage is device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Kiene Klanken is free to download; Math Bus costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Math Bus ships an update every 4 months, Kiene Klanken every 2 months. The most recent releases landed on September 27, 2026 and October 4, 2026 respectively.
| Parameter | Math Bus | Kiene Klanken |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 183 MB |
| Age rating | 4+ | 4+ |
| Developer | Henk Jurriens | Heutink Primair Onderwijs BV |
In-app purchases
Math Bus
No in-app purchases
Kiene Klanken
No in-app purchases
Questions
Is Math Bus free?
Is Kiene Klanken free?
Do Math Bus or Kiene Klanken have ads?
Which is updated more often, Math Bus or Kiene Klanken?
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