# Charged Physics Lab vs Fly Brain

The clearest difference is iOS requirement: Charged Physics Lab at 15.0 against Fly Brain's 17.0. On price, ads, in-app purchases and device support 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 | Charged Physics Lab | Fly Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 172 MB | 58 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Charged Alpha](https://appshunter.io/developer/6789744884) | [Tim Corin](https://appshunter.io/developer/6785116779) |

## What reviewers say

### Charged Physics Lab

[App page](https://appshunter.io/ios/app/charged-physics-lab/id6794717292)

**In-app purchases:** none


### Fly Brain

[App page](https://appshunter.io/ios/app/fly-brain/id6813254014)

**In-app purchases:** none


## Frequently asked questions

### Is Charged Physics Lab free?

Charged Physics Lab is free to download, with no in-app purchases.

### Is Fly Brain free?

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

### Do Charged Physics Lab or Fly Brain have ads?

Neither Charged Physics Lab nor Fly Brain shows 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.*