Best Universe Sandbox Apps & Games

250+ iOS apps & games curated and reviewed

4.3 avg rating
20 free apps & games
Updated August 2026

Whether you're new to universe sandbox or looking for an upgrade, our curated collection of 250+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Universe Sandbox Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Solar System SimSolar System SimFree4.5★ (4K)YesYesAug 2026
2Solar SmashSolar SmashFree was $3.994.8★ (389K)YesYesAug 2026
3Space Crash SimulatorSpace Crash SimulatorFree4.5★ (499)YesYesAug 2026
4Milky Way: Cosmic PlaygroundMilky Way: Cosmic PlaygroundFree was $14.994.7★ (1.8K)NoYesAug 2026
5Solar System MakerSolar System MakerFree3.1★ (50)NoNoAug 2026
6Pocket Galaxy: Gravity SandboxPocket Galaxy: Gravity SandboxFree4.6★ (25K)YesNoAug 2026
7Universe Gravity Simulator 3DUniverse Gravity Simulator 3DFree4.0★ (128)NoYesAug 2026
8Celestia - Space SimulatorCelestia - Space SimulatorFree4.4★ (316)NoYesAug 2026

Top Picks for Universe Sandbox

Solar System Sim#1

Solar System Sim by WPC

Space & Planet Physics Sandbox
Editor's Choice
🎮 Games
4.5😊(4K 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

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.

What We Love

  • 🚀 Realistic simulation
  • 🚀 Detailed solar system
  • 🚀 Ability to create custom solar systems
  • 🚀 Impressive graphics

Room to Improve

  • 🐛 Crashes and glitches
  • 🔋 High battery consumption
  • 💰 Excessive ads
Solar Smash#2

Solar Smash by PARADYME LIMITED

Planet Destruction Simulator
Strong Contender
🎮 Games
4.8😊(389K ratings)
FreeAdsIn-App Purchases
Solar Smash screenshot 1
Solar Smash screenshot 2
Solar Smash screenshot 3
Solar Smash screenshot 4
Solar Smash screenshot 5

Unleash your destructive power on planets with a vast arsenal of weapons. From nuclear missiles and lasers to monstrous creatures and asteroids, obliterate celestial bodies in this engaging simulator.

What We Love

  • 🚀 Fun and satisfying
  • 👍 Great graphics
  • 👍 No ads
  • 👍 Offline playability

Room to Improve

  • 🐛 Occasional glitches and crashes
  • 💡 Lack of new content and updates
  • 💡 Limited planet and weapon options
Space Crash Simulator#3

Space Crash Simulator by WPC

SPH Planet Collisions
Worth Considering
🎮 Games
4.5😊(504 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

Experience realistic planetary collisions with a powerful physics engine. Customize your own cosmic events by adjusting particle count, velocity, and accuracy, or jump straight into high-energy impacts. This app offers a detailed, physics-based simulation for educational or entertainment purposes.

What We Love

  • 👍 Great game
  • 🚀 Awesome graphics
  • 💡 Interesting simulation features
  • 🎉 Fun and enjoyable

Room to Improve

  • 🐛 Occasional performance issues
  • 💰 Too many ads

More Universe Sandbox apps to explore

4
Milky Way: Cosmic Playground
Milky Way: Cosmic Playground
Milky Way: Cosmic Playground
Gravity and Universe Sandbox
Free
$14.99 | 100% OFF

Explore and simulate the universe with interactive space simulations. Manipulate gravity, witness planetary collisions, and create your own cosmic sandbox. Perfect for those curious about the cosmos.

Interactive space simulationsGravity manipulationReal-time planetary collisions
🔍 Reference
(1.8K)
free with in-app purchases
5
Solar System Maker
Solar System Maker
Solar System Maker
Solar System Simulator
Free

Create your own solar systems on your device. Experience the gravitational forces that govern planetary motion and learn about the universe. This app offers a beautiful, realistic, and interactive way to explore celestial mechanics.

Create custom solar systemsRealistic 3D reproductionIntuitive operation
📚 Education
(50)
free
6
Pocket Galaxy: Gravity Sandbox
Pocket Galaxy: Gravity Sandbox
Pocket Galaxy: Gravity Sandbox
Universe Space Simulation Game
Free

Design and simulate your own universe with realistic physics. Customize planets, stars, and moons, then watch them interact. Destroy solar systems with powerful tools or explore the life that develops in your creations.

Create and customize your own universeSimulate realistic planet orbits and physicsDestroy solar systems with various tools
🎮 Games
(25K)
free with in-app purchases
7
Universe Gravity Simulator 3D
Universe Gravity Simulator 3D
Universe Gravity Simulator 3D
Universe Space Simimulator 3D
Free

Explore and shape the cosmos in this 3D space simulator. Create galaxies, destroy planets, and engage in epic space battles. Experience realistic physics and stunning visuals as you journey through star realms.

Realistic physics engineDynamic universe creationImmersive 3D environments
🎮 Games
(128)
free with in-app purchases
8
Celestia - Space Simulator
Celestia - Space Simulator
Celestia - Space Simulator
3D interactive planetarium
Free

Explore the universe in real-time 3D. Visit planets, moons, star clusters, and galaxies, viewing them from any point in space and time. Customize your experience with expandable content and detailed simulations.

Real-time 3D space visualizationExplore planets, moons, stars, galaxiesAccurate solar system object positions
📚 Education
(316)
free with in-app purchases
9
Melon: Sandbox
Melon: Sandbox
Melon: Sandbox
Create, test, destroy, repeat
Free

Unleash your creativity in a chaotic sandbox game. Experiment with realistic ragdoll physics, a massive arsenal of weapons, and custom devices to create mayhem. Explore open worlds and build your own playground for destructive fun.

Realistic ragdoll physicsMassive arsenal of weaponsCustom device creation
🎮 Games
(137K)
free with in-app purchases
10
WorldBox - God Sandbox
WorldBox - God Sandbox
WorldBox - God Sandbox
Best world building simulator!
Free

Create and shape your own pixel worlds with this god simulation sandbox game. Spawn creatures, build civilizations, and unleash powerful disasters or creative tools to watch life evolve. Experiment with various powers and enjoy offline play.

Create and spawn creaturesBuild and evolve civilizationsSimulate natural disasters
🎮 Games
(77K)
free with in-app purchases
11
The Sun 3D
The Sun 3D
The Sun 3D
Interactive 3D Animation
Free

Explore the Sun in interactive 3D with detailed animations, narrations, and quizzes. Rotate, zoom, and navigate through complex scenes, with support for multiple languages and VR mode. Designed for students aged 8-18, but engaging for all.

Interactive 3D solar modelRotation and zoom functionalityPredefined views and walk mode
📚 Education
(3)
free
12
Spaceflight Simulator
Spaceflight Simulator
Spaceflight Simulator
Rocket science made simple!
Free

Build and launch rockets to explore a realistic, open universe. Experience space exploration with accurate physics and a vast, explorable solar system.

Build custom rocketsRealistic orbital mechanicsExplore a scaled universe
🎮 Games
(97K)
free with in-app purchases
13
Sandbox - Physics Simulator
Sandbox - Physics Simulator
Sandbox - Physics Simulator
Creative Sandbox World
Free

Explore a creative sandbox world where you can mix elements to discover their reactions and create dynamic environments. Experiment with physics, build structures, and witness exciting events like explosions and growth. New modes allow for planet destruction and life cycle simulation.

Element mixing and reaction discoveryWorld building with plants and weatherPhysics experiments (fire, explosions)
🎮 Games
(8.1K)
free with in-app purchases
14
Earth Sandbox
Earth Sandbox
Earth Sandbox
by Heechang Kim
Free

Explore the dynamic evolution of a planet by altering its core systems like climate and gravity. Trigger natural events and observe real-time population and ecosystem trends. This experimental simulation game offers unique outcomes with every interaction.

Earth-focused environmental simulationInterconnected climate and planetary systemsDynamic natural events
🎮 Games
(2)
ad-supported
15
Stars and Planets - Astronomy
Stars and Planets - Astronomy
Stars and Planets - Astronomy
3D Universe simulator
Free

Explore the cosmos in a 3D universe simulator powered by NASA and ESA data. Journey to millions of stars, land on exoplanets, and delve into the mysteries of black holes and pulsars. Discover breathtaking landscapes and gain knowledge from cutting-edge space research.

3D universe simulationSpacecraft flight simulationExoplanet exploration
📚 Education
(1.2K)
free with in-app purchases
16
Solar Walk Lite - Planetarium
Solar Walk Lite - Planetarium
Solar Walk Lite - Planetarium
Planets System & Astronomy 3D
Free

Explore our Solar System in an interactive 3D model. Discover celestial bodies with detailed information, real photos, and stunning visuals. This free app offers a pocket planetarium experience without requiring an internet connection.

Interactive 3D Solar System modelReal-time celestial body positionsDetailed information and photos
🔍 Reference
(32K)
free with in-app purchases
17
Water Physics Simulation
Water Physics Simulation
Water Physics Simulation
Water/Ship Simulator & Sandbox
Free

Explore three distinct physics simulations: build and navigate ships, experiment with bomb explosions and water behavior in a sandbox, or observe the interactions of various elements. This free app offers creative building and destructive fun.

Water and liquid simulationsShip building and raft survivalBomb explosions and destruction sandbox
🎮 Games
(4.5K)
free with in-app purchases
18
Universe Maker
Universe Maker
Universe Maker
by Christopher Leet
Free

Explore the potential histories and futures of a universe by adjusting its fundamental components. This educational tool allows users to experiment with radiation, matter, and dark energy to observe how these elements influence cosmic evolution.

Simulate universe histories and futuresTinker with universe compositionObserve cosmic evolution
📚 Education
(6)
free
19
Sandbox: Universe Architect
Sandbox: Universe Architect
Sandbox: Universe Architect
Stellarium sandbox in pocket
Free

Explore the cosmos from its inception, simulating the creation and expansion of the universe. Craft celestial bodies, nurture life, and uncover the secrets of quantum physics in this engaging simulation and tycoon game.

Craft your own universeBuild and expand with idle gameplayNurture life and civilization
🎮 Games
(3)
free with in-app purchases
20
Armed Beasts: Sandbox War
Armed Beasts: Sandbox War
Armed Beasts: Sandbox War
Armed Beasts: Sandbox War
Free

Lead a diverse army of super-beasts and advanced machines in physics-based battles. Experiment with unit combinations and strategies in a unique sandbox war simulation. Enjoy offline play and a fun football mode.

Physics-based gameplayDiverse units (super-beasts & machines)Sandbox mode for experimentation
🎮 Games
(1)
free with in-app purchases

FAQ about Universe Sandbox

What are the best universe sandbox apps & games for iPhone?
Solar System Sim tops our universe sandbox apps & games ranking as of August 2026, with a 4.5-star average from 4K App Store ratings, and it's free to download.
Yes — 20 of the top universe sandbox apps & games we rank are free to download, including Solar System Sim and Solar Smash.
Solar System Sim shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 250+ universe sandbox apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
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.
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.

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