# RabenApp (2021) vs senseBox Basic

The clearest difference is in-app purchases: senseBox Basic at none against RabenApp (2021)'s 4. senseBox Basic also leads on update cadence (every 3 weeks vs every 6 months). RabenApp (2021)'s advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

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

RabenApp (2021) ships an update every 6 months, senseBox Basic every 3 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RabenApp (2021) | senseBox Basic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 36 MB | 23 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) | [senseBox by Reedu GmbH & Co. KG](https://appshunter.io/developer/1487303454) |

## What reviewers say

### 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 |


### senseBox Basic

[App page](https://appshunter.io/ios/app/sensebox-basic/id6759094226)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RabenApp (2021) free?

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

### Is senseBox Basic free?

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

### Do RabenApp (2021) or senseBox Basic have ads?

Neither RabenApp (2021) nor senseBox Basic shows ads.

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

RabenApp (2021) ships an update every 6 months, and senseBox Basic every 3 weeks. Most recently, RabenApp (2021) was updated on November 7, 2026 and senseBox Basic on October 31, 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.*