# ScrewPuzzleBlast3D vs Block Stack 16

The clearest difference is in-app purchases: ScrewPuzzleBlast3D at none against Block Stack 16's 3. ScrewPuzzleBlast3D also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Block Stack 16 sells 3 one-off in-app purchases. ScrewPuzzleBlast3D asks for nothing beyond the download.

## The numbers

| Metric | ScrewPuzzleBlast3D | Block Stack 16 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Size | 131 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [mohammed almadhoun](https://appshunter.io/developer/1871412842) | [Wiz Studio](https://appshunter.io/developer/1436470398) |

## What reviewers say

### ScrewPuzzleBlast3D

[App page](https://appshunter.io/ios/app/screwpuzzleblast3d/id6758203043)

**Features:** macOS Compatibility

**In-app purchases:** none


### Block Stack 16

[App page](https://appshunter.io/ios/app/block-stack-16-bit-puzzle/id6759481143)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Themes | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Bundle (Ads + Themes) | $2.99 | one-time |


## Frequently asked questions

### Is ScrewPuzzleBlast3D free?

ScrewPuzzleBlast3D is free to download, with no in-app purchases.

### Is Block Stack 16 free?

Block Stack 16 is free to download, with in-app purchases available.

### Do ScrewPuzzleBlast3D or Block Stack 16 have ads?

Both ScrewPuzzleBlast3D and Block Stack 16 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.*