Letterfun vs Rolf Connect Math
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Letterfun
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.
- Four progressive learning levels
- Learn reading and writing
- Multilingual support (DE, EN, ES, NL)
- Age-appropriate content
- Vocabulary based on child's experience
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Letterfun is an app designed for children from 4 years of age (and older) to learn how to read and write. The app is offered in 4 different levels. These are indicated through stars in the app. Level 1: The correct letters remain standing under the command Level 2: The letters disappear after 3 seconds. Help color remains Level 3: Only the help color remains Level 4: Only the correct number of letters is still visible This app is also for children who need more challenge or want to learn, reading, writing and speaking in a different language. You can select the German, English, Spanish and Dutch language to learn words that match the child's experience world.
Rolf Connect Math
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App for use with Rolf Connect, Math and Number sense Rolf Connect combines physical learning with 21st century skills. Using 14 challenging games, children will practice their number sense and math skills in a playful environment. There are 4 games available by default. By using the Rolf Connect hub & the physical block all 14 games will be unlocked for you to play with. Learning has never been this much fun! The hub and set of blocks can be bought at Rolf Education: http://rolfeducation.com/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Letterfun | Rolf Connect Math |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.1 — better | 12.2 |
| Further details — not scored | ||
| Size | 103 MB | 251 MB |
| Age rating | 4+ | 4+ |
| Developer | Dieverz | De Rolf Groep |
In-app purchases
Letterfun
No in-app purchases
Rolf Connect Math
No in-app purchases
Questions
Is Letterfun free?
Is Rolf Connect Math free?
Do Letterfun or Rolf Connect Math have ads?
Which is updated more often, Letterfun or Rolf Connect Math?
Other comparisons
