# Russisch einfach lernen vs Mental Math

The clearest difference is in-app purchases: Mental Math at none against Russisch einfach lernen's 3. Mental Math also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Russisch einfach lernen sells 3 in-app purchases, starting at $4.99 per 7 days. Mental Math asks for nothing beyond the download.

## The numbers

| Metric | Russisch einfach lernen | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Size | 25 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atech Consultancy Ltd](https://appshunter.io/developer/1818884485) | [Johannes Lauber](https://appshunter.io/developer/1483223615) |

## What reviewers say

### Russisch einfach lernen

[App page](https://appshunter.io/ios/app/russisch-einfach-lernen/id6742437432)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Yearly Subscription | $29.99 | per year |
| Lifetime Access | $39.99 | one-time |


### 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 Russisch einfach lernen free?

Russisch einfach lernen is free to download, with in-app purchases available.

### Is Mental Math free?

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

### Do Russisch einfach lernen or Mental Math have ads?

Russisch einfach lernen shows ads; Mental Math does not.

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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.*