# River Builder 3D vs Perfect Industry

River Builder 3D and Perfect Industry are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | River Builder 3D | Perfect Industry |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Size | 99 MB | 199 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Volodymyr Delinskyi](https://appshunter.io/developer/1472993251) | [bugra bayrak](https://appshunter.io/developer/1457322401) |

## What reviewers say

### River Builder 3D

[App page](https://appshunter.io/ios/app/river-builder-3d/id1614801375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Perfect Industry

[App page](https://appshunter.io/ios/app/perfect-industry/id1622543622)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is River Builder 3D free?

River Builder 3D is free to download, with no in-app purchases.

### Is Perfect Industry free?

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

### Do River Builder 3D or Perfect Industry have ads?

Both River Builder 3D and Perfect Industry 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.*