# Blitzrechnen vs Schabi

The clearest difference is in-app purchases: Schabi at none against Blitzrechnen's 4. Schabi also leads on update cadence (every 5 days vs every 3 months). Blitzrechnen'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. Blitzrechnen sells 4 one-off in-app purchases. Schabi asks for nothing beyond the download.

Blitzrechnen ships an update every 3 months, Schabi every 5 days. The most recent releases landed on September 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Blitzrechnen | Schabi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 18.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 196 MB | 177 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) | [Schule am Bildschirm GmbH](https://appshunter.io/developer/1544747900) |

## What reviewers say

### Blitzrechnen

[App page](https://appshunter.io/ios/app/blitzrechnen/id6444187170)

Practice math skills for grades 1-4 with adaptive exercises. Learn independently through engaging, game-like activities that reinforce concepts and build confidence. Offline access ensures continuous learning at home or in the classroom.

**Highlights:** Adaptive exercises for grades 1-4, Multiple difficulty levels, Self-assessment tests, Progress tracking for parents/teachers, Offline functionality, Engaging animations

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

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


### Schabi

[App page](https://appshunter.io/ios/app/schabi/id6444896981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Blitzrechnen free?

Blitzrechnen is free to download, with in-app purchases available.

### Is Schabi free?

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

### Do Blitzrechnen or Schabi have ads?

Neither Blitzrechnen nor Schabi shows ads.

### Which is updated more often, Blitzrechnen or Schabi?

Blitzrechnen ships an update every 3 months, and Schabi every 5 days. Most recently, Blitzrechnen was updated on September 26, 2026 and Schabi on October 23, 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.*