Best Space Simulation Toolkit Apps & Games

202+ iOS apps & games curated and reviewed

4.2 avg rating
17 free apps & games
Updated June 2026

Spaceflight Simulator is the household name in space simulation toolkit, but it's far from the only option. We track 202+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Space Simulation Toolkit Apps & Games (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Spaceflight SimulatorSpaceflight SimulatorFree4.8★ (97K)NoYesJul 2026
2Space Crash SimulatorSpace Crash SimulatorFree4.5★ (446)YesYesJul 2026
3Space SandboxSpace SandboxFreeNoNoJul 2026
4Milky Way: Cosmic PlaygroundMilky Way: Cosmic PlaygroundFree was $14.994.8★ (1.6K)NoYesJul 2026
5Solar System SimSolar System SimFree4.5★ (3.6K)YesYesJul 2026
6Galaxy Space Simulator 3DGalaxy Space Simulator 3DFree4.4★ (457)NoYesJul 2026
7Ellipse: Rocket SimulatorEllipse: Rocket SimulatorFree was $0.994.7★ (1.4K)NoYesJul 2026
8Celestia - Space SimulatorCelestia - Space SimulatorFree4.3★ (303)NoYesJul 2026

Top Picks for Space Simulation Toolkit

Spaceflight Simulator#1

Spaceflight Simulator by Spaceflight Simulator UK Ltd

Rocket science made simple!
Editor's Choice
🎮 Games
4.8😊(97K ratings)
FreeIn-App Purchases
Spaceflight Simulator screenshot 1
Spaceflight Simulator screenshot 2
Spaceflight Simulator screenshot 3
Spaceflight Simulator screenshot 4
Spaceflight Simulator screenshot 5
Spaceflight Simulator screenshot 6

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

What We Love

  • 🚀 Realistic physics and space simulation
  • 👍 Intuitive controls and easy to learn
  • 🚀 Ability to build complex rockets and spacecraft
  • 👍 No ads or in-app purchases required to play

Room to Improve

  • 🐛 Occasional bugs and glitches, especially with large rockets
  • 🔋 Potential performance issues on older devices
  • 🔒 Limited customization and part options in free version
Space Crash Simulator#2

Space Crash Simulator by WPC

SPH Planet Collisions
Strong Contender
🎮 Games
4.5😊(446 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
Space Sandbox#3

Space Sandbox by Marcus Lam

CREATE. EVOLVE. EXPLORE.
Worth Considering
🎮 Games
0.0(0 ratings)
Free
Space Sandbox screenshot 1
Space Sandbox screenshot 2
Space Sandbox screenshot 3

Design and evolve your own universe with realistic physics and life simulation. Explore with friends in multiplayer modes like battle royale and racing, or build together. Customize your experience and witness cosmic events unfold.

More Space Simulation Toolkit 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
(1.6K)
free with in-app purchases
5
Solar System Sim
Solar System Sim
Solar System Sim
Gravity Sandbox
Free

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 moonsVisit nearby starsCreate custom solar systems
🎮 Games
(3.6K)
free with in-app purchases
6
Galaxy Space Simulator 3D
Galaxy Space Simulator 3D
Galaxy Space Simulator 3D
Solar System Simulator Sandbox
Free

Create and explore your own universe with a realistic 3D space simulator. Witness celestial bodies orbit, form asteroid belts, and customize planets with various textures and skins. Save, load, and share your cosmic creations with others.

Realistic 3D graphicsPhysics-based gravity simulationPlanet and star customization
🎮 Games
(457)
free with in-app purchases
7
Ellipse: Rocket Simulator
Ellipse: Rocket Simulator
Ellipse: Rocket Simulator
Build and launch rockets
Free
$0.99 | 100% OFF

Design, build, and launch rockets with realistic orbital mechanics. Explore celestial bodies and experience dynamic physics for a true-to-life space simulation. Ideal for aspiring engineers and space enthusiasts.

Rocket design and customizationRealistic orbital mechanicsExplore celestial bodies
🎮 Games
(1.4K)
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
(303)
free with in-app purchases
9
Juno: New Origins
Juno: New Origins
Juno: New Origins
Build and fly rockets & planes
Free
$2.99 | 100% OFF

Build and test rockets, planes, and cars with realistic physics in a 3D aerospace sandbox. Progress through a career mode, unlock new technology, and share your creations with a global community.

3D aerospace sandboxRealistic physics simulationCareer mode with tech tree
🎮 Games
(222)
free with in-app purchases
10
Earth Editor
Earth Editor
Earth Editor
Sandbox game
Free

Create your own world by placing various elements like sand, water, and lava on a gravity field. This simulation game allows for boundless creativity in designing unique planetary landscapes. Explore the possibilities of a sandbox environment where you are the architect of your own planet.

World creation sandboxGravity field simulationPlace sand, water, seeds, lava
🎮 Games
(860)
ad-supported
11
Star Cluster Simulator
Star Cluster Simulator
Star Cluster Simulator
Self-gravity simulation
Free

Simulate the gravitational interactions of numerous particles in real-time on your device. Observe the evolution of stars and celestial bodies, creating your own universe. Relax and be amazed by the shapes that form due to self-gravity.

Real-time gravitational interaction calculationSimulate globular clusters, galaxies, and galaxy clustersObserve star evolution and shape formation
🎮 Games
(14)
ad-supported
12
Design Your Own Space Planet
Design Your Own Space Planet
Design Your Own Space Planet
Create World, Build 3D Earth
Free
$9.99 | 100% OFF

Design and build your own unique 3D planet from scratch. Sculpt mountains, carve rivers, and plant trees to create a personalized world. Save your creations to edit and share with friends.

Create custom planetsSculpt terrain (mountains, valleys)Add water bodies (rivers, oceans)
🎮 Games
(185)
ad-supported
13
Planet simulation
Planet simulation
Planet simulation
Create a solar system.
Free

Design and build your own solar system with various stars. Explore the fascinating world of gravity and recreate celestial bodies. A relaxing game for your spare time.

Create your own solar systemSimulate gravityDesign with various stars
🎮 Games
(154)
ad-supported
14
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
(63)
free with in-app purchases
15
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
Terraform Universe Planets
Free

Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.

Idle planet building simulatorReal science from NASATerraform planets and moons
🎮 Games
(32K)
free with in-app purchases
16
Solar Smash 2D: Space Game
Solar Smash 2D: Space Game
Solar Smash 2D: Space Game
by PARADYME LIMITED
Free

Explore unique destruction mechanics in a space-themed sandbox. Break planets into pieces, control spaceships in epic battles, or design your own celestial bodies with custom physics.

Unique destruction mechanicsBreak planets into piecesPhysics-based planet movement
🎮 Games
(13K)
free with in-app purchases
17
SFS GAMING BP
SFS GAMING BP
SFS GAMING BP
Bp editing and sharing tool
Free

This tool allows users to create, edit, and share custom blueprints for Spaceflight Simulator. It serves as a central platform for the game's community to exchange designs.

Blueprint editingBlueprint sharingSpaceflight Simulator integration
🔧 Utilities
(52)
free with in-app purchases
18
Space Simulator
Space Simulator
Space Simulator
by Tai Chen
$4.99

Experience ultra-realistic 3D space flight with real physics in a full-scale Solar System. Play historic NASA missions or explore planets and moons with functional 3D cockpits and interactive orbit planning.

Full-scale Solar System simulationHistoric NASA mission replaysFunctional 3D cockpits
🎮 Games
(4.3K)
paid
19
Juno: New Origins Complete Ed.
Juno: New Origins Complete Ed.
Juno: New Origins Complete Ed.
Build and fly rockets & planes
$6.99

Design, build, and fly rockets, planes, and more with realistic physics. Automate your creations with a visual programming language, explore planets, and manage your own aerospace company in a detailed career mode. Share your designs with a vibrant community.

Build rockets, planes, cars, and moreVisual programming language (Vizzy)Realistic physics simulation
🎮 Games
(1.2K)
paid
20
Space Agency
Space Agency
Space Agency
Build and fly rockets
$1.99

Design, construct, and launch your own rockets and satellites. Build a space station and explore the solar system in this challenging simulation game for aspiring astronauts.

Build rocketsLaunch satellitesCreate a space station
🎮 Games
(715)
free with in-app purchases

FAQ about Space Simulation Toolkit

What are the best space simulation toolkit apps & games for iPhone?
Spaceflight Simulator tops our space simulation toolkit apps & games ranking as of June 2026, with a 4.8-star average from 97K App Store ratings, and it's free to download.
Yes — 17 of the top space simulation toolkit apps & games we rank are free to download, including Spaceflight Simulator and Space Crash Simulator.
Spaceflight Simulator has no ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 202+ space simulation toolkit apps & games on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This game allows you to build your own rockets and embark on space explorations. You can explore a realistically scaled universe, experiencing orbital mechanics and real-life physics as you travel between planets and moons.
Key features include building custom rockets, experiencing realistic orbital mechanics, and exploring an open universe with no limits. You can visit planets like Mercury, Venus, Earth, Moon, Mars, Phobos, and Deimos.