# Block Master 3D vs Flowduct

The clearest difference is ads: Block Master 3D at none against Flowduct's shown. On price, in-app purchases, device support and iOS requirement 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 Master 3D | Flowduct |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 67 months | — |
| Size | 55 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Swim LLC](https://appshunter.io/developer/1475582966) | [Ferran Espuna](https://appshunter.io/developer/1608027657) |

## What reviewers say

### Block Master 3D

[App page](https://appshunter.io/ios/app/block-master-3d/id1527561565)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flowduct

[App page](https://appshunter.io/ios/app/flowduct-connect-pipe-puzzle/id6792658268)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Master 3D free?

Block Master 3D is free to download, with no in-app purchases.

### Is Flowduct free?

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

### Do Block Master 3D or Flowduct have ads?

Flowduct shows ads; Block Master 3D 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.*