# Surfaces in Space vs AeroStream

The clearest difference is in-app purchases: Surfaces in Space at none against AeroStream's 2. Surfaces in Space also leads on iOS requirement (18.4 vs 26.5). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. AeroStream sells 2 in-app purchases, starting at $5.99 per month. Surfaces in Space asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Surfaces in Space against 5.0 for AeroStream. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Surfaces in Space | AeroStream |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/surfaces-in-space/id6757165264/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/aerostream/id6780275000/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 87 MB | 13 MB |
| Requires iOS | **18.4** | 26.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Colin Ford](https://appshunter.io/developer/1864865082) | [Nuv Ahuja](https://appshunter.io/developer/6775319092) |

## What reviewers say

### Surfaces in Space

[App page](https://appshunter.io/ios/app/surfaces-in-space/id6757165264)

Explore and interact with a variety of 3D mathematical surfaces. Visualize complex shapes, customize their appearance, and even import your own 3D models. Offers intuitive touch controls for easy navigation and rendering.

**Highlights:** 3D mathematical surface visualization, Interactive touch controls (rotate, zoom, pan), Customizable surface appearance (fill, primitives), Import .stl and .obj files, Adjustable tessellation detail, Customizable backgrounds and lighting, Save 10-bit snapshots

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

**In-app purchases:** none


### AeroStream

[App page](https://appshunter.io/ios/app/aerostream/id6780275000)

Explore fluid dynamics with an interactive wind tunnel simulator. Visualize real-time flow fields around various shapes and adjust parameters like wind speed and viscosity to observe instant responses. Ideal for engineers, students, and enthusiasts seeking to understand air behavior.

**Highlights:** Live, interactive wind tunnel simulation, Real-time flow field rendering, Adjustable wind speed, viscosity, angle of attack, Streamlines, vortices, and wake region visualization, Velocity, pressure, vorticity heatmaps, Particle tracers for real-time motion

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AeroPro | $5.99 | per month |
| AeroPro | $19.99 | per year |


## Frequently asked questions

### Is Surfaces in Space free?

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

### Is AeroStream free?

AeroStream is free to download, with in-app purchases available.

### Which has better reviews, Surfaces in Space or AeroStream?

Surfaces in Space and AeroStream are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Surfaces in Space or AeroStream have ads?

Neither Surfaces in Space nor AeroStream 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.*