# SkyTower Challenge vs Space Y

The clearest difference is ads: Space Y at none against SkyTower Challenge's shown. SkyTower Challenge's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). 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 | SkyTower Challenge | Space Y |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 171 MB | 13 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takuma Takahashi](https://appshunter.io/developer/1704744113) | [Visar Isufi](https://appshunter.io/developer/1863549372) |

## What reviewers say

### SkyTower Challenge

[App page](https://appshunter.io/ios/app/skytower-challenge/id6464111672)

**Features:** macOS Compatibility

**In-app purchases:** none


### Space Y

[App page](https://appshunter.io/ios/app/space-y-discover/id6758667731)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SkyTower Challenge free?

SkyTower Challenge is free to download, with no in-app purchases.

### Is Space Y free?

Space Y is free to download, with no in-app purchases.

### Do SkyTower Challenge or Space Y have ads?

SkyTower Challenge shows ads; Space Y 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.*