Solar System Sim

Solar System Sim

Space & Planet Physics Sandbox

4.3K ratings
1160 reviews
Free
In-App PurchasesWith Ads

Details

Released
April 12, 2023
Updated
October 18, 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 about Solar System Sim

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+2

What's New in Solar System Sim

0.420

October 18, 2026

What's new: • Dozens of new nearby systems, with info cards (tap "I" next to the name) • New comets: 67P, Swift-Tuttle & NEOWISE, with ion and dust tails • Hear pulsars tick at their real rhythm when you come close • Turn sunlike stars into red giants, then into white dwarfs • Give any star a Kuiper belt, Oort cloud or custom nebula • Redesigned orbit lines • Smoother on phones, especially older devices • Bigger, walkable impact craters with crater walls • Supernova lag fix • Many fixes

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Subscriptions & In-App Purchases

$2.99

HD Mars

High-Res texture and height maps for Mars

User reviews

Самир

Извиняюсь не увидел изменения в настройках.

What the HECK SONION🫩🥀✌️

So I tried to play but the game froze🫩🥀✌️ then I tried to play again but it didn't work like SON🫩🥀✌️

Add the universe

Just add superclusters and universes, plus more galaxy textures and extra unknown galaxies and forgot the catseye nebula with a dying wolf rayet

Just please fix all the bugs

This game sucks now because it freezes when I press play which made me angry so can you fix that bug so I can finally play the game again? Please

why

App worked fine before all these updates but now it crashes when u open it

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.