# Rapid mental arithmetic vs Pineapple collision

The clearest difference is device support: Rapid mental arithmetic at 2 against Pineapple collision's —. On price, in-app purchases and iOS requirement 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 | Rapid mental arithmetic | Pineapple collision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Size | 41 MB | 45 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Gita Guha](https://appshunter.io/developer/1869265430) | [Minal Atwal](https://appshunter.io/developer/1875838360) |

## What reviewers say

### Rapid mental arithmetic

[App page](https://appshunter.io/ios/app/rapid-mental-arithmetic/id6757849531)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pineapple collision

[App page](https://appshunter.io/ios/app/pineapple-collision/id6758931489)

**In-app purchases:** none


## Frequently asked questions

### Is Rapid mental arithmetic free?

Rapid mental arithmetic is free to download, with no in-app purchases.

### Is Pineapple collision free?

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

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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.*