# Kopfblitz vs Mental Math

The clearest difference is device support: Mental Math at 3 against Kopfblitz's 1. Mental Math also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Kopfblitz | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 13 MB | 25 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Velmont Golf UG (haftungsbeschränkt)](https://appshunter.io/developer/6793997738) | [Johannes Lauber](https://appshunter.io/developer/1483223615) |

## What reviewers say

### Kopfblitz

[App page](https://appshunter.io/ios/app/kopfblitz-kopfrechnen/id6798273483)

**In-app purchases:** none


### Mental Math

[App page](https://appshunter.io/ios/app/mental-math-learn-math/id6809820085)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kopfblitz free?

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

### Is Mental Math free?

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

### Do Kopfblitz or Mental Math have ads?

Neither Kopfblitz nor Mental Math shows ads.

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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.*