# Rapid mental arithmetic vs ReflexGo

The clearest difference is device support: Rapid mental arithmetic at 2 against ReflexGo's —. Rapid mental arithmetic also leads on iOS requirement (13.0 vs 16.0). On price and in-app purchases 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 | ReflexGo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | Every 3 weeks | — |
| Size | 41 MB | 15 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Gita Guha](https://appshunter.io/developer/1869265430) | [Dhruv Agnihotri](https://appshunter.io/developer/1860174136) |

## What reviewers say

### Rapid mental arithmetic

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ReflexGo

[App page](https://appshunter.io/ios/app/reflexgo-fast-vision-test/id6763224900)

**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 ReflexGo free?

ReflexGo 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.*