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Best Universe Simulator Apps & Games

223+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Out of 223+ universe simulator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Universe Simulator

Solar System Sim#1

Solar System Sim by WPC

Gravity Sandbox
Editor's Choice
๐ŸŽฎ Games
4.5๐Ÿ˜Š(3.6K ratings)
FreeAdsIn-App Purchases
Solar System Sim screenshot 1
Solar System Sim screenshot 2
Solar System Sim screenshot 3
Solar System Sim screenshot 4
Solar System Sim screenshot 5
Solar System Sim screenshot 6

Explore planets, moons, and stars in our solar system with a Gravity Sandbox app. Customize celestial bodies, create your solar system, and observe their orbits based on Newton's laws. Experience an interactive way to learn about space dynamics. Ready to embark on a cosmic journey?

What We Love

  • ๐Ÿš€ Realistic simulation
  • ๐Ÿš€ Detailed solar system
  • ๐Ÿš€ Ability to create custom solar systems
  • ๐Ÿš€ Impressive graphics

Room to Improve

  • ๐Ÿ› Crashes and glitches
  • ๐Ÿ”‹ High battery consumption
  • ๐Ÿ’ฐ Excessive ads
Space Crash Simulator#2

Space Crash Simulator by WPC

SPH Planet Collisions
Strong Contender
๐ŸŽฎ Games
4.5๐Ÿ˜Š(145 ratings)
FreeAdsIn-App Purchases
Space Crash Simulator screenshot 1
Space Crash Simulator screenshot 2
Space Crash Simulator screenshot 3
Space Crash Simulator screenshot 4
Space Crash Simulator screenshot 5

The application allows users to witness the fascinating process of planetary collisions through a robust and detailed physics-based simulation. Users can jump straight into high-energy collisions or customize the initial conditions to create their own unique collision scenarios, adjusting various parameters such as particle count, planet velocity, and collision accuracy. Experience the power of Smoothed Particle Hydrodynamics (SPH) technology and watch as planets collide and break apart in real-time.

What We Love

  • ๐Ÿ‘ Great game
  • ๐Ÿš€ Awesome graphics
  • ๐Ÿ’ก Interesting simulation features
  • ๐ŸŽ‰ Fun and enjoyable

Room to Improve

  • ๐Ÿ› Occasional performance issues
  • ๐Ÿ’ฐ Too many ads
Pocket Galaxy: Gravity Sandbox#3

Pocket Galaxy: Gravity Sandbox by Pocket Labs UK

Universe Space Simulation Game
Worth Considering
๐ŸŽฎ Games
4.6๐Ÿ˜Š(25K ratings)
FreeAds
Pocket Galaxy: Gravity Sandbox screenshot 1
Pocket Galaxy: Gravity Sandbox screenshot 2
Pocket Galaxy: Gravity Sandbox screenshot 3
Pocket Galaxy: Gravity Sandbox screenshot 4
Pocket Galaxy: Gravity Sandbox screenshot 5

Create your own universe and explore infinite space in a realistic physics sandbox simulation game. Customize planets, stars, and moons, and witness the effects of gravity as you build, destroy, and simulate galaxies. Experience beautiful graphics, unlock achievements, and share your universe with others.

What We Love

  • ๐Ÿš€ Great game
  • ๐Ÿš€ Amazing
  • ๐Ÿ‘ Fun and entertaining
  • ๐Ÿ‘ Realistic graphics and physics

Room to Improve

  • ๐Ÿ› Difficult to get planets into stable orbits
  • ๐Ÿ› Planets often get pulled out of habitable zones
  • ๐Ÿ”’ Limited number of planets/objects without watching ads

More Universe Simulator apps to explore

4
Celestia - Space Simulator
Celestia - Space Simulator
Celestia - Space Simulator
3D interactive planetarium
Free

Explore the universe in three dimensions with this real-time 3D space simulator and interactive planetarium. Visit planets, moons, star clusters, and galaxies with accurate calculations of their positions and movements in space and time. Customize your experience with expandable content and discover the wonders of the cosmos. [Experience the universe like never before!](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)

๐Ÿ“š Education
(283)
5
Solar Walk 2 Ads+๏ผšThe Universe
Solar Walk 2 Ads+๏ผšThe Universe
Solar Walk 2 Ads+๏ผšThe Universe
Solar System, Space Simulator
Free

Explore the wonders of our Solar system with a powerful space simulator app, featuring stunning 3D visuals, interactive encyclopedia, astronomy calendar, and real-time spacecraft models. Dive into space exploration and celestial events while turning your device into a pocket planetarium. Start your journey to the stars with Solar Walk 2 Ads!

๐Ÿ” Reference
(6.1K)
6
Solar Smash
Solar Smash
Solar Smash
by PARADYME LIMITED
Free
$3.99 | 100% OFF

Experience planetary destruction with a variety of weapons like nuclear missiles, lasers, monsters, and more in this simulator. Explore space imagery from NASA while exercising caution with flashing lights. Start exploring the universe today!

๐ŸŽฎ Games
(383K)
7
Spaceflight Simulator
Spaceflight Simulator
Spaceflight Simulator
Rocket science made simple!
Free

Explore the vast universe and build your own rockets to discover planets and moons in this space exploration game. Experience realistic physics and orbital mechanics in an open universe with no limits.

๐ŸŽฎ Games
(97K)
8
Milky Way: Cosmic Playground
Milky Way: Cosmic Playground
Milky Way: Cosmic Playground
Gravity and Universe Sandbox
Free
$14.99 | 100% OFF

Explore the wonders of the universe with our N-body gravity simulator, interactive map, and supernova simulations in Milky Way: Cosmic Playground! Uncover cosmic secrets, compare planet sizes, and witness stellar explosions. Start your cosmic adventure now!

๐Ÿ” Reference
(1.5K)
9
Universe Gravity Simulator 3D
Universe Gravity Simulator 3D
Universe Gravity Simulator 3D
Universe Space Simimulator 3D
Free

Experience the thrill of creating and shaping entire galaxies with a realistic gravity simulator, exploring outer space, and engaging in intergalactic battles. This universe sandbox game puts the power of the universe in your hands, allowing you to build, destroy, and experiment with the laws of physics in a 3D environment.

๐ŸŽฎ Games
(63)
10
Solar Walk Ads+๏ผšPlanets System
Solar Walk Ads+๏ผšPlanets System
Solar Walk Ads+๏ผšPlanets System
Space Simulator, Universe Map
Free

Explore the wonders of our Solar system with a 3D space simulator app, allowing you to interact with planets, moons, satellites, and more in real time. Enjoy educational movies, virtual flights, and a 3D planetarium experience while learning about the universe. Start your cosmic journey now!

๐Ÿ” Reference
(9.6K)
11
Galaxy Map
Galaxy Map
Galaxy Map
Astronomy guide to space
Free

Explore the wonders of space with an interactive 3D map of the Milky Way galaxy and beyond, featuring stunning imagery from NASA spacecraft and ground telescopes. Ideal for educators and students, this astronomy guide offers a captivating journey through space, from planets to supernovae. Take a voyage through the cosmos and delve into the mysteries of our universe!

๐Ÿ“š Education
(570)
12
WorldBox - God Sandbox
WorldBox - God Sandbox
WorldBox - God Sandbox
Best world building simulator!
Free

Create and shape worlds in this free god simulation sandbox game. Watch civilizations evolve, creatures interact, and disasters unfold. Download now for an offline creative experience!

๐ŸŽฎ Games
(76K)
13
Planet simulation
Planet simulation
Planet simulation
Create a solar system.
Free

Embark on a captivating journey of creating your own solar system in this gravity-based planet simulation game. Dive into the world of celestial bodies and stars, and unleash your creativity by designing unique planetary systems. Perfect for passing the time or indulging in fun, start exploring the universe now!

๐ŸŽฎ Games
(154)
14
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
Terraform Universe Planets
Free

TerraGenesis - Space Settlers allows you to terraform and build planets using real NASA science. Join factions, create habitats, manage resources, and explore new worlds in this immersive idle planet building simulator. If you love astronomy or resource management games, download and start terraforming today!

๐ŸŽฎ Games
(32K)
15
Moon Pioneer
Moon Pioneer
Moon Pioneer
Explore the universe!
Free

Embark on a cosmic journey to explore the universe, collect resources, build factories, and discover the vast wonders of space with this innovative application! Begin your adventure today!

๐ŸŽฎ Games
(35K)
16
Stars and Planets - Astronomy
Stars and Planets - Astronomy
Stars and Planets - Astronomy
3D Universe simulator
Free

Embark on a captivating journey through the cosmos with an interactive 3D planetarium, featuring precise data from NASA and ESA missions. Explore millions of stars, alien planets, and more while pushing the boundaries of space exploration. Experience the universe like never before! (Note: For a more concise version, I recommend focusing on the first and last sentences for a shorter and impactful description)

๐Ÿ“š Education
(1.1K)
17
Earth Editor
Earth Editor
Earth Editor
Sandbox game
Free

Create your own virtual world in this sandbox simulation game by utilizing different elements like sand, water, seeds, and lava to shape the Earth your way. Let your creativity run wild and build unique landscapes in this interactive experience.

๐ŸŽฎ Games
(860)
18
Solar Walk Lite - Planetarium
Solar Walk Lite - Planetarium
Solar Walk Lite - Planetarium
Planets System & Astronomy 3D
Free

Explore the wonders of the solar system with an interactive planetarium app. Discover fascinating facts about planets, moons, and celestial bodies. Embark on a cosmic journey today!

๐Ÿ” Reference
(31K)
19
Doodle God Universe
Doodle God Universe
Doodle God Universe
Create Your Own Universe!
Free

Unleash your creativity and build your own universe by combining basic elements to create new ones in stunning 3D animations. Experience the joy of creation and watch your planet come alive through endless possibilities. Start crafting your world today!

๐ŸŽฎ Games
(6.2K)
20
My Little Universe
My Little Universe
My Little Universe
Mine and Craft your own planet
Free

Embark on a divine adventure in a worldbuilding game where you craft your own planet, mine resources, fight monsters, and create a thriving civilization. Download now and shape your little universe!

๐ŸŽฎ Games
(166K)

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