# Stack Outpost vs Unchain the Beasts

The clearest difference is device support: Stack Outpost at 3 against Unchain the Beasts's —. Stack Outpost also leads on iOS requirement (13.0 vs 15.0). 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 | Stack Outpost | Unchain the Beasts |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | — |
| Size | 171 MB | 132 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [怡平 刘](https://appshunter.io/developer/1531289639) | [Apollo Kashi](https://appshunter.io/developer/1817339768) |

## What reviewers say

### Stack Outpost

[App page](https://appshunter.io/ios/app/stack-outpost-idle-zombie-td/id6756401236)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unchain the Beasts

[App page](https://appshunter.io/ios/app/unchain-the-beasts/id6759911641)

**In-app purchases:** none


## Frequently asked questions

### Is Stack Outpost free?

Stack Outpost is free to download, with no in-app purchases.

### Is Unchain the Beasts free?

Unchain the Beasts 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.*