# Alien Tower vs Stack Ball Tower Smash 3D

The clearest difference is in-app purchases: Stack Ball Tower Smash 3D at none against Alien Tower's 1. Stack Ball Tower Smash 3D also leads on update cadence (every 5 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Alien Tower sells 1 one-off in-app purchase. Stack Ball Tower Smash 3D asks for nothing beyond the download.

Alien Tower ships an update every 5 months, Stack Ball Tower Smash 3D every 5 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Alien Tower | Stack Ball Tower Smash 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Size | 78 MB | 107 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Laurent Bakowski](https://appshunter.io/developer/1099632510) | [Bhavik Damasiya](https://appshunter.io/developer/1768737626) |

## What reviewers say

### Alien Tower

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

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Stack Ball Tower Smash 3D

[App page](https://appshunter.io/ios/app/stack-ball-tower-smash-3d/id6758982910)

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

**In-app purchases:** none


## Frequently asked questions

### Is Alien Tower free?

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

### Is Stack Ball Tower Smash 3D free?

Stack Ball Tower Smash 3D is free to download, with no in-app purchases.

### Do Alien Tower or Stack Ball Tower Smash 3D have ads?

Both Alien Tower and Stack Ball Tower Smash 3D show ads.

### Which is updated more often, Alien Tower or Stack Ball Tower Smash 3D?

Alien Tower ships an update every 5 months, and Stack Ball Tower Smash 3D every 5 weeks. Most recently, Alien Tower was updated on October 3, 2026 and Stack Ball Tower Smash 3D on October 6, 2026.

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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.*