# Tower Stack Building Blocks vs Royal Cannon Knockout

The clearest difference is in-app purchases: Tower Stack Building Blocks at none against Royal Cannon Knockout's 1. Tower Stack Building Blocks also leads on ads (none vs shown) and iOS requirement (5.1.1 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Royal Cannon Knockout sells 1 one-off in-app purchase. Tower Stack Building Blocks asks for nothing beyond the download.

## The numbers

| Metric | Tower Stack Building Blocks | Royal Cannon Knockout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/tower-stack-building-blocks/id967897825/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | — |
| Monetization | Free | — |
| Size | 9 MB | 185 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Makeover Mania Story Games](https://appshunter.io/developer/823741368) | [Muhammad Danish](https://appshunter.io/developer/1792403512) |

## What reviewers say

### Tower Stack Building Blocks

[App page](https://appshunter.io/ios/app/tower-stack-building-blocks/id967897825)

Build the tallest structure possible by stacking blocks. This free game challenges your construction skills. Download and start building!

**Highlights:** Build structures, Stack blocks, Free to download, Challenging gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Royal Cannon Knockout

[App page](https://appshunter.io/ios/app/royal-cannon-knockout/id6796202383)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| In-App | $4.99 | one-time |


## Frequently asked questions

### Is Tower Stack Building Blocks free?

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

### Is Royal Cannon Knockout free?

Royal Cannon Knockout is free to download, with in-app purchases available.

### Do Tower Stack Building Blocks or Royal Cannon Knockout have ads?

Royal Cannon Knockout shows ads; Tower Stack Building Blocks 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.*