# sofatutor vs Blitzrechnen

The clearest difference is review sentiment: sofatutor at 80% against Blitzrechnen's 19%. sofatutor also leads on update cadence (every 6 weeks vs every 3 months). Blitzrechnen's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. sofatutor sells 5 in-app purchases, starting at $39.99 per month and Blitzrechnen sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

sofatutor ships an update every 6 weeks, Blitzrechnen every 3 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | sofatutor | Blitzrechnen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (136 ratings)](https://appshunter.io/ios/app/sofatutor/id597942322/reviews)** | — |
| Number of ratings | **136** | — |
| Positive reviews | **80.3% of reviews** | 18.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 196 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sofatutor GmbH](https://appshunter.io/developer/597942325) | [Ernst Klett Verlag GmbH, Stuttgart](https://appshunter.io/developer/751540887) |

## What reviewers say

### sofatutor

[App page](https://appshunter.io/ios/app/sofatutor/id597942322)

This app offers a fun and engaging way for students to learn school subjects through short video tutorials, interactive exercises, and a learning game. It provides homework help from real teachers and printable worksheets to reinforce learning and improve grades.

**Highlights:** Bite-sized tutorial videos, Interactive exercises, Printable worksheets, Learning game (Sofahero), 24-hour homework help, Progress tracking

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $39.99 | per month |
| Premium 3 Months | $99.99 | per 3 months |
| Premium 6 months | $179.99 | per 6 months |
| Premium 12 months | $239.99 | per year |
| Premium 12 months | $299.99 | per year |


### 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 |


## Frequently asked questions

### Is sofatutor free?

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

### Is Blitzrechnen free?

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

### Do sofatutor or Blitzrechnen have ads?

Neither sofatutor nor Blitzrechnen shows ads.

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

sofatutor ships an update every 6 weeks, and Blitzrechnen every 3 months. Most recently, sofatutor was updated on September 23, 2026 and Blitzrechnen on September 22, 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.*