# Intro Airplane Design vs Pixel Wind Tunnel

The clearest difference is review sentiment: Intro Airplane Design at 100% against Pixel Wind Tunnel's 0%. Intro Airplane Design also leads on ads (none vs shown) and iOS requirement (12.0.0 vs 15.0). Pixel Wind Tunnel's advantage is price (Free vs $14.99) and device support (3 vs 1). On update cadence and in-app purchases there is nothing between them.

Pixel Wind Tunnel is free to download; Intro Airplane Design costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Intro Airplane Design ships an update every 9 months, Pixel Wind Tunnel every 7 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Intro Airplane Design | Pixel Wind Tunnel |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intro-airplane-design/id1568305325/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 35 MB | 21 MB |
| Requires iOS | **12.0.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Seeds Software](https://appshunter.io/developer/507836260) | [Hiroki Kijima](https://appshunter.io/developer/1326808571) |

## What reviewers say

### Intro Airplane Design

[App page](https://appshunter.io/ios/app/intro-airplane-design/id1568305325)

Explore aeronautics through interactive simulations and design tools. Learn STEM principles by designing, building, and flying your own gliders and powered aircraft. This app offers comprehensive curriculum content for classroom use or self-study.

**Highlights:** Interactive STEM learning, Airplane design tools, Aeronautics simulations, Offline lab plans, Classroom curriculum, Wind tunnel simulation

**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 Intro Airplane Design free?

Intro Airplane Design costs $14.99, with no in-app purchases.

### Is Pixel Wind Tunnel free?

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

### Do Intro Airplane Design or Pixel Wind Tunnel have ads?

Pixel Wind Tunnel shows ads; Intro Airplane Design does not.

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

Intro Airplane Design ships an update every 9 months, and Pixel Wind Tunnel every 7 months. Most recently, Intro Airplane Design was updated on October 10, 2026 and Pixel Wind Tunnel on October 25, 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.*