# Math Munchkins vs 9

The clearest difference is in-app purchases: Math Munchkins at none against 9's 1. Math Munchkins also leads on ads (none vs shown) and iOS requirement (12.0 vs 14.0). On price and device support there is nothing between them.

Both are free to download. 9 sells 1 one-off in-app purchase. Math Munchkins asks for nothing beyond the download.

## The numbers

| Metric | Math Munchkins | 9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 weeks |
| Size | 38 MB | 26 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [潇娴 张](https://appshunter.io/developer/1831920558) | [Okko Meijer](https://appshunter.io/developer/1881299592) |

## What reviewers say

### Math Munchkins

[App page](https://appshunter.io/ios/app/math-munchkins/id6754897556)

**Features:** macOS Compatibility

**In-app purchases:** none


### 9

[App page](https://appshunter.io/ios/app/9-box/id6761386274)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Verwijder advertenties | $2.99 | one-time |


## Frequently asked questions

### Is Math Munchkins free?

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

### Is 9 free?

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

### Do Math Munchkins or 9 have ads?

9 shows ads; Math Munchkins 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.*