# CloudLabs Optical Phenomena vs Huygens3D

The clearest difference is price: CloudLabs Optical Phenomena at Free against Huygens3D's $3.99. CloudLabs Optical Phenomena also leads on ads (none vs shown) and iOS requirement (9.0 vs 26.0). On in-app purchases and device support there is nothing between them.

CloudLabs Optical Phenomena is free to download; Huygens3D costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CloudLabs Optical Phenomena | Huygens3D |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 25 months |
| Size | 68 MB | 147 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Roland Wejner](https://appshunter.io/developer/601946624) |

## What reviewers say

### CloudLabs Optical Phenomena

[App page](https://appshunter.io/ios/app/cloudlabs-optical-phenomena/id1636389963)

**Features:** macOS Compatibility

**In-app purchases:** none


### Huygens3D

[App page](https://appshunter.io/ios/app/huygens3d/id6479824105)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Optical Phenomena free?

CloudLabs Optical Phenomena is free to download, with no in-app purchases.

### Is Huygens3D free?

Huygens3D costs $3.99, with no in-app purchases.

### Do CloudLabs Optical Phenomena or Huygens3D have ads?

Huygens3D shows ads; CloudLabs Optical Phenomena 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.*