# Stack Tower vs Doodle Boo

The clearest difference is in-app purchases: Stack Tower at none against Doodle Boo's 1. Stack Tower also leads on ads (none vs shown). Doodle Boo's advantage is iOS requirement (12.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Doodle Boo sells 1 one-off in-app purchase. Stack Tower asks for nothing beyond the download.

## The numbers

| Metric | Stack Tower | Doodle Boo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 37 MB | 72 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nowchat LTD](https://appshunter.io/developer/1857539033) | [Juan Ormaechea](https://appshunter.io/developer/1662392975) |

## What reviewers say

### Stack Tower

[App page](https://appshunter.io/ios/app/stack-tower-block-stacking/id6757974730)

**Features:** macOS Compatibility

**In-app purchases:** none


### Doodle Boo

[App page](https://appshunter.io/ios/app/doodle-boo/id6759507866)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Stack Tower free?

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

### Is Doodle Boo free?

Doodle Boo is free to download, with in-app purchases available.

### Do Stack Tower or Doodle Boo have ads?

Doodle Boo shows ads; Stack Tower 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.*