# Airfoil Design vs Pixel Wind Tunnel

The clearest difference is review sentiment: Airfoil Design at 63% against Pixel Wind Tunnel's 0%. Airfoil Design also leads on ads (none vs shown) and update cadence (every 10 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Airfoil Design ships an update every 10 days, Pixel Wind Tunnel every 7 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Airfoil Design | Pixel Wind Tunnel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (19 ratings)](https://appshunter.io/ios/app/airfoil-design/id6444901600/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | **62.5% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 7 months |
| Monetization | **Free** | Ad-supported |
| Size | 122 MB | 21 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Charles Bilodeau-Berube](https://appshunter.io/developer/1657784873) | [Hiroki Kijima](https://appshunter.io/developer/1326808571) |

## What reviewers say

### Airfoil Design

[App page](https://appshunter.io/ios/app/airfoil-design/id6444901600)

This application allows users to design and analyze aircraft wing sections using advanced numeric methods and CFD simulations. It offers tools for creating custom airfoil geometries, real-time aerodynamic analysis, and importing existing designs.

**Highlights:** NACA airfoil generation, Real-time aerodynamic analysis, Airfoil import from database, Custom mesh generation, CFD simulation engine, Streamlines and CP vector visualization

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Airfoil Design free?

Airfoil Design 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 Airfoil Design or Pixel Wind Tunnel have ads?

Pixel Wind Tunnel shows ads; Airfoil Design does not.

### Which is updated more often, Airfoil Design or Pixel Wind Tunnel?

Airfoil Design ships an update every 10 days, and Pixel Wind Tunnel every 7 months. Most recently, Airfoil Design was updated on November 3, 2026 and Pixel Wind Tunnel on October 31, 2026.

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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.*