# Orbital Simulator vs Việt

The clearest difference is ads: Việt at none against Orbital Simulator's shown. Việt also leads on update cadence (every 3 days vs fortnightly). 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.

Orbital Simulator ships an update fortnightly, Việt every 3 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | Orbital Simulator | Việt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/orbital-simulator-explorer/id6511195732/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 247 MB | 46 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Renzo Macedo](https://appshunter.io/developer/1403943580) | [CSUPPORTER JOINT STOCK COMPANY](https://appshunter.io/developer/1316406987) |

## What reviewers say

### Orbital Simulator

[App page](https://appshunter.io/ios/app/orbital-simulator-explorer/id6511195732)

Explore orbital mechanics through interactive simulations and real-time solar system data. Learn about Kepler's Laws, practice orbital maneuvers, and engage in mission objectives. Ideal for students and space enthusiasts.

**Highlights:** Interactive orbital simulations, Kepler's Laws visualization, Orbital maneuver practice, Real-time solar system view, Customizable orbital parameters, Detailed educational content, Mission-based challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Việt

[App page](https://appshunter.io/ios/app/viet-uc-speaking/id6743858070)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Orbital Simulator free?

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

### Is Việt free?

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

### Do Orbital Simulator or Việt have ads?

Orbital Simulator shows ads; Việt does not.

### Which is updated more often, Orbital Simulator or Việt?

Orbital Simulator ships an update fortnightly, and Việt every 3 days. Most recently, Orbital Simulator was updated on October 30, 2026 and Việt on October 30, 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.*