# 2D Flight Dynamics vs Avon House Preparatory School

The clearest difference is iOS requirement: 2D Flight Dynamics at 14.0 against Avon House Preparatory School'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 | 2D Flight Dynamics | Avon House Preparatory School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 60 MB | 139 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imperial College London](https://appshunter.io/developer/547377669) | [Weduc UK Ltd](https://appshunter.io/developer/1635738266) |

## What reviewers say

### 2D Flight Dynamics

[App page](https://appshunter.io/ios/app/2d-flight-dynamics/id1534109989)

**Features:** macOS Compatibility

**In-app purchases:** none


### Avon House Preparatory School

[App page](https://appshunter.io/ios/app/avon-house-preparatory-school/id6738119039)

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

**In-app purchases:** none


## Frequently asked questions

### Is 2D Flight Dynamics free?

2D Flight Dynamics is free to download, with no in-app purchases.

### Is Avon House Preparatory School free?

Avon House Preparatory School is free to download, with no in-app purchases.

### Do 2D Flight Dynamics or Avon House Preparatory School have ads?

Neither 2D Flight Dynamics nor Avon House Preparatory School 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.*