# Alien Tower vs Sticky Doll

The clearest difference is in-app purchases: Sticky Doll at none against Alien Tower's 1. Sticky Doll also leads on iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Alien Tower sells 1 one-off in-app purchase. Sticky Doll asks for nothing beyond the download.

## The numbers

| Metric | Alien Tower | Sticky Doll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | — |
| Size | 78 MB | 126 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Laurent Bakowski](https://appshunter.io/developer/1099632510) | [Hemz Studios LLC](https://appshunter.io/developer/1482399421) |

## What reviewers say

### Alien Tower

[App page](https://appshunter.io/ios/app/alien-tower/id1590674042)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Aliens ! | $1.99 | one-time |


### Sticky Doll

[App page](https://appshunter.io/ios/app/sticky-doll/id6450412425)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Alien Tower free?

Alien Tower is free to download, with in-app purchases available.

### Is Sticky Doll free?

Sticky Doll is free to download, with no in-app purchases.

### Do Alien Tower or Sticky Doll have ads?

Both Alien Tower and Sticky Doll show ads.

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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.*