# StormWise vs Pixel Wind Tunnel

The clearest difference is iOS requirement: Pixel Wind Tunnel at 13.0 against StormWise's 15.0. 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 | StormWise | Pixel Wind Tunnel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Size | 171 MB | 16 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Iowa State University of Science and Technology](https://appshunter.io/developer/433925044) | [Hiroki Kijima](https://appshunter.io/developer/1326808571) |

## What reviewers say

### StormWise

[App page](https://appshunter.io/ios/app/stormwise/id6446956129)

**In-app purchases:** none


### Pixel Wind Tunnel

[App page](https://appshunter.io/ios/app/pixel-wind-tunnel/id6760957754)

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

**In-app purchases:** none


## Frequently asked questions

### Is StormWise free?

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

### Is Pixel Wind Tunnel free?

Pixel Wind Tunnel is free to download, with no in-app purchases.

### Do StormWise or Pixel Wind Tunnel have ads?

Neither StormWise nor Pixel Wind Tunnel 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.*