# Cubeling vs RabenApp (2021)

The clearest difference is review sentiment: Cubeling at 82% against RabenApp (2021)'s 40%. Cubeling also leads on in-app purchases (none vs 4). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. RabenApp (2021) sells 4 one-off in-app purchases. Cubeling asks for nothing beyond the download.

Cubeling ships an update every 3 months, RabenApp (2021) every 6 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Cubeling | RabenApp (2021) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/cubeling/id1027746349/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **81.8% of reviews** | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 21 MB | 36 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Heiko Etzold](https://appshunter.io/developer/715739131) | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) |

## What reviewers say

### Cubeling

[App page](https://appshunter.io/ios/app/cubeling/id1027746349)

Design and construct cube-based structures with a 3D view and multiple projection options. Add or remove cubes by touch or code. Explore your creations by rotating the 3D model.

**Highlights:** 3D cube building, Multiple projection views (plan, orthographic, isometric), Code view for cube creation (iPad), Interactive 3D model rotation, Add/remove cubes by touch

**In-app purchases:** none


### RabenApp (2021)

[App page](https://appshunter.io/ios/app/rabenapp-2021/id1526686014)

This app reinforces primary school math concepts for grades 1-4. It offers interactive exercises aligned with school materials, providing immediate feedback and progress tracking for students.

**Highlights:** Interactive math exercises, Aligned with school curriculum, Immediate feedback on solutions, Progress tracking for students, Content for grades 1-4

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klasse 1 | $2.99 | one-time |
| Klasse 2 | $2.99 | one-time |
| Klasse 3 | $2.99 | one-time |
| Klasse 4 | $2.99 | one-time |


## Frequently asked questions

### Is Cubeling free?

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

### Is RabenApp (2021) free?

RabenApp (2021) is free to download, with in-app purchases available.

### Do Cubeling or RabenApp (2021) have ads?

Neither Cubeling nor RabenApp (2021) shows ads.

### Which is updated more often, Cubeling or RabenApp (2021)?

Cubeling ships an update every 3 months, and RabenApp (2021) every 6 months. Most recently, Cubeling was updated on November 1, 2026 and RabenApp (2021) on November 7, 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.*