# お星さまとUFO vs 脳速算

The clearest difference is ads: 脳速算 at none against お星さまとUFO's shown. お星さまとUFO's advantage is iOS requirement (11.0 vs 15.1). On price, 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 | お星さまとUFO | 脳速算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 months |
| Size | 106 MB | 24 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Garhi Japan K.K.](https://appshunter.io/developer/1444709284) | [Tatsuya Kawai](https://appshunter.io/developer/1788260421) |

## What reviewers say

### お星さまとUFO

[App page](https://appshunter.io/ios/app/ufo/id6480170467)

**In-app purchases:** none


### 脳速算

[App page](https://appshunter.io/ios/app/id6742348087)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is お星さまとUFO free?

お星さまとUFO is free to download, with no in-app purchases.

### Is 脳速算 free?

脳速算 is free to download, with no in-app purchases.

### Do お星さまとUFO or 脳速算 have ads?

お星さまとUFO shows ads; 脳速算 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.*