# CloudLabs Energy conversion vs MARVLS AR for Physics 2

The clearest difference is iOS requirement: CloudLabs Energy conversion at 9.0 against MARVLS AR for Physics 2's 18.0. On price and in-app purchases 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 | CloudLabs Energy conversion | MARVLS AR for Physics 2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 months |
| Size | 92 MB | 247 MB |
| Requires iOS | **9.0** | 18.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [Jiovany Orozco](https://appshunter.io/developer/1114670847) | [Michele McColgan](https://appshunter.io/developer/1532617986) |

## What reviewers say

### CloudLabs Energy conversion

[App page](https://appshunter.io/ios/app/cloudlabs-energy-conversion/id1637907726)

**In-app purchases:** none


### MARVLS AR for Physics 2

[App page](https://appshunter.io/ios/app/marvls-ar-for-physics-2/id6630392503)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CloudLabs Energy conversion free?

CloudLabs Energy conversion is free to download, with no in-app purchases.

### Is MARVLS AR for Physics 2 free?

MARVLS AR for Physics 2 is free to download, with no in-app purchases.

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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.*