# Math Invader vs Merge the Cats!

The clearest difference is in-app purchases: Merge the Cats! at none against Math Invader's 2. Merge the Cats! also leads on iOS requirement (13.0 vs 16.0). Math Invader's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Math Invader sells 2 one-off in-app purchases. Merge the Cats! asks for nothing beyond the download.

## The numbers

| Metric | Math Invader | Merge the Cats! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/math-invader/id1539336630/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | — |
| Size | 25 MB | 151 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Torben Toepper](https://appshunter.io/developer/633701843) | [Full Fat Productions Ltd](https://appshunter.io/developer/374306144) |

## What reviewers say

### Math Invader

[App page](https://appshunter.io/ios/app/math-invader/id1539336630)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extra Pack | $0.99 | one-time |
| Spaceship Pack | $1.99 | one-time |


### Merge the Cats!

[App page](https://appshunter.io/ios/app/merge-the-cats/id6475688849)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Math Invader free?

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

### Is Merge the Cats! free?

Merge the Cats! is free to download, with no in-app purchases.

### Do Math Invader or Merge the Cats! have ads?

Merge the Cats! shows ads; Math Invader 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.*