# Block Defense TD vs Align It 3D

The clearest difference is iOS requirement: Align It 3D at 12.0 against Block Defense TD's 15.6. On price, ads, in-app purchases and device support 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 | Block Defense TD | Align It 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Size | 136 MB | 272 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Xiamen Smart Bit Network Technology Co., Ltd.](https://appshunter.io/developer/1791477337) | [Trinh Hoa](https://appshunter.io/developer/1659358199) |

## What reviewers say

### Block Defense TD

[App page](https://appshunter.io/ios/app/block-defense-td/id6742444883)

**Features:** macOS Compatibility

**In-app purchases:** none


### Align It 3D

[App page](https://appshunter.io/ios/app/align-it-3d/id6748276294)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Block Defense TD free?

Block Defense TD is free to download, with no in-app purchases.

### Is Align It 3D free?

Align It 3D is free to download, with no in-app purchases.

### Do Block Defense TD or Align It 3D have ads?

Both Block Defense TD and Align It 3D 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.*