# Cosmic Flight App vs Three

The clearest difference is in-app purchases: Cosmic Flight App at none against Three's 1. Cosmic Flight App also leads on iOS requirement (12.1 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Three sells 1 one-off in-app purchase. Cosmic Flight App asks for nothing beyond the download.

## The numbers

| Metric | Cosmic Flight App | Three |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/three-body-simulation/id6817179834/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 10 MB |
| Requires iOS | **12.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Timothy Smith](https://appshunter.io/developer/687896959) | [志强 曾](https://appshunter.io/developer/1800987336) |

## What reviewers say

### Cosmic Flight App

[App page](https://appshunter.io/ios/app/cosmic-flight-app/id6742032760)

**Features:** macOS Compatibility

**In-app purchases:** none


### Three

[App page](https://appshunter.io/ios/app/three-body-simulation/id6817179834)

Explore the fascinating beauty of gravity and celestial motion. Interact with three bodies, discover countless orbital paths, and experiment with your own gravity scenarios. Turn curiosity into understanding with this educational simulation.

**Highlights:** Explore 16 classic periodic solutions, Discover 10,059 3D periodic orbits, Experiment with custom gravity scenarios, Learn about the three-body problem, Offline exploration of orbits, Interactive celestial motion simulation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Cosmic Flight App free?

Cosmic Flight App is free to download, with no in-app purchases.

### Is Three free?

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

### Do Cosmic Flight App or Three have ads?

Neither Cosmic Flight App nor Three 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.*