Solar System Sim

Solar System Sim

Space & Planet Physics Sandbox

4K ratings
1003 reviews
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • April 12, 2023
  • August 14, 2026

Features

Solar System Sim video #1 for iPhone
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Solar System Sim screenshot #10 for iPhone
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About

Simulate and explore celestial bodies within our solar system and beyond. Create your own solar systems, experiment with gravity and physics, and observe orbital mechanics in action.

Explore planets and moons
Visit nearby stars
Create custom solar systems
Gravity and physics simulation
Recalculate orbits
Newton's laws implementation
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What users say

See all reviews
+1

What's New in Solar System Sim

0.394

August 14, 2026

- New Climate panel: set any planet's temperature, ice caps, sea level, vegetation and volcanism - Watch it live: ice caps grow, seas drain, deserts spread, land melts - Heat map of local surface temperatures - Impacts melt ice and scorch the ground - 3D tsunamis adapt to environment - Glowing lava lakes, even on cold worlds - Correct °C/°F for your region - Save/load fixes

More
4

In-App Purchases

$2.99

HD Mars

High-Res texture and height maps for Mars

User reviews

Good

I updated the game but before I updated the game I could zoom at Jupiter and every planet and see super good detail but and the title of planet would shrink so I knew where it was and when I updated it it made the zoom bad again 😭😭😭😭😭

One more thing to make this game better…

When you want to save your system in your cloud, add a thing that saves your system into your cloud or in your files.

Thank you.

Also, great game I love it! <3

It look like I got a virus update

I updated and it looks like I got an update virus

But why is it Spanish make an change language settings

I can’t change my language. Can you help me try to make an change language settings? It never works. I hate when it’s Spanish just make it cause I hate it when I like this but I hate it when it’s like that because for years

Too bad

Crashes

Developer apps

User experience

🐞

Reported Bugs

5 issues

Planets/moons disappearing after saving and loading

Bug

Bright flashes and screen distortions

Bug

Planets/objects getting stuck inside stars

Bug

Crashes when colliding or editing certain objects

Bug

Inconsistent orbital mechanics and moons ejecting from planets

Bug

Requested Features

10 requests

Add more galaxy and nebula textures

Feature

Implement realistic supernova effects

Feature

Allow customization of planet atmospheres and terrain

Feature

Add binary star systems and rogue planets

Feature

Introduce a galaxy maker and collision feature

Feature

Implement a reverse time lapse option

Feature

Add more speed options (128x, 256x, etc.)

Feature

Introduce a population counter and life simulation for planets

Feature

Allow custom city lights and vegetation on planets

Feature

Add a Roche limit feature to observe tidal disruption

Feature

FAQ

What can I do in this solar system simulator?

You can explore existing celestial bodies in our solar system, including planets and moons, and even visit nearby stars. The app also allows you to create your own solar systems by adding or modifying celestial bodies.

How does the simulation work?

The simulation acts as a gravity and physics sandbox. It recalculates the orbits of celestial bodies based on Newton's laws of motion and gravity, providing a realistic physics-based experience.

Is this app free to use?

The app is free to download and use, but it does contain in-app purchases and advertisements. These may offer additional features or enhance the user experience.

What kind of celestial bodies can I simulate?

You can explore and simulate planets and moons within our solar system, as well as visit nearby stars and observe their positions in the Milky Way. You can also add new bodies or modify existing ones to create unique solar systems.