# KidiGrilles vs Mental Math

The clearest difference is iOS requirement: Mental Math at 15.0 against KidiGrilles's 18.0. On price, ads, in-app purchases and device support 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 | KidiGrilles | Mental Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 57 MB | 25 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Timothe FRIZOT](https://appshunter.io/developer/6796816581) | [Johannes Lauber](https://appshunter.io/developer/1483223615) |

## What reviewers say

### KidiGrilles

[App page](https://appshunter.io/ios/app/kidigrilles/id6797281425)

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

**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 KidiGrilles free?

KidiGrilles 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 KidiGrilles or Mental Math have ads?

Neither KidiGrilles 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.*