# Orbital Simulator vs Graviton Sim

The clearest difference is ads: Graviton Sim at none against Orbital Simulator's shown. Orbital Simulator's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, in-app purchases and device support 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, Graviton Sim every 9 days. The most recent releases landed on July 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Orbital Simulator | Graviton Sim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/orbital-simulator-explorer/id6511195732/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 247 MB | 63 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Renzo Macedo](https://appshunter.io/developer/1403943580) | [Scott Carnett](https://appshunter.io/developer/1550322381) |

## 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


### Graviton Sim

[App page](https://appshunter.io/ios/app/graviton-sim/id6754208416)

**In-app purchases:** none


## Frequently asked questions

### Is Orbital Simulator free?

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

### Is Graviton Sim free?

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

### Do Orbital Simulator or Graviton Sim have ads?

Orbital Simulator shows ads; Graviton Sim does not.

### Which is updated more often, Orbital Simulator or Graviton Sim?

Orbital Simulator ships an update fortnightly, and Graviton Sim every 9 days. Most recently, Orbital Simulator was updated on July 8, 2026 and Graviton Sim on September 18, 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.*