# Pixel Wind Tunnel vs Benchbuilt

The clearest difference is ads: Benchbuilt at none against Pixel Wind Tunnel's shown. Pixel Wind Tunnel's advantage is iOS requirement (15.0 vs 17.0). On price, 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 | Pixel Wind Tunnel | Benchbuilt |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | — |
| Monetization | Ad-supported | — |
| Size | 21 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiroki Kijima](https://appshunter.io/developer/1326808571) | [Jason Stables](https://appshunter.io/developer/1895552659) |

## What reviewers say

### Pixel Wind Tunnel

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

Visualize real fluid dynamics on your device by drawing shapes and simulating their interaction with air or liquid. Explore flow patterns, measure aerodynamic coefficients, and understand physics with real calculations, not approximations.

**Highlights:** Draw custom shapes for simulation, Real-time 2D fluid dynamics calculations, Multiple visualization modes (velocity, pressure, vorticity, streamlines), Calculate aerodynamic coefficients (drag, lift), Place probes to track fluid properties, Adjust simulation parameters (inlet velocity, viscosity), Compare different shape designs

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

**In-app purchases:** none


### Benchbuilt

[App page](https://appshunter.io/ios/app/benchbuilt/id6797279020)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pixel Wind Tunnel free?

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

### Is Benchbuilt free?

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

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

Pixel Wind Tunnel shows ads; Benchbuilt 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.*