Best Universe Simulator Apps & Games

249+ iOS apps & games curated and reviewed

4.6 avg rating
19 free apps & games
Updated September 2026

Out of 249+ universe simulator apps and games on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Universe Simulator Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Solar System SimSolar System SimFree4.5★ (4.2K)YesYesSep 2026
2Pocket Galaxy: Gravity SandboxPocket Galaxy: Gravity SandboxFree4.6★ (25K)YesNoSep 2026
3Milky Way: Cosmic PlaygroundMilky Way: Cosmic PlaygroundFree4.7★ (1.9K)NoYesSep 2026
4Space Crash SimulatorSpace Crash SimulatorFree4.5★ (593)YesYesSep 2026
5Celestia - Space SimulatorCelestia - Space SimulatorFree4.4★ (324)NoYesSep 2026
6Solar SmashSolar SmashFree4.8★ (392K)YesYesSep 2026
7Sandbox: Powder AlchemySandbox: Powder AlchemyFree4.7★ (24K)YesYesSep 2026
8Universe Gravity Simulator 3DUniverse Gravity Simulator 3DFree4.0★ (128)NoYesSep 2026

Top Picks for Universe Simulator

Solar System Sim#1

Solar System Sim by WPC

Space & Planet Physics Sandbox
Editor's Choice
🎮 Games
4.5😊(4.2K 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
  • 🚀 Frequent updates

Room to Improve

  • 🐛 Crashes and glitches
  • 🔋 High battery consumption
  • 💰 Excessive ads
  • 🐛 Saving and loading issues
  • 🐛 Unstable orbits
Pocket Galaxy: Gravity Sandbox#2

Pocket Galaxy: Gravity Sandbox by Pocket Labs UK

Universe Space Simulation Game
Strong Contender
🎮 Games
4.6😊(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

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.

What We Love

  • 🚀 Great game
  • 🚀 Amazing
  • 👍 Fun and entertaining
  • 👍 Realistic graphics and physics
  • 👍 Allows creating own solar systems
  • 👍 Satisfying to watch collisions and explosions

Room to Improve

  • 🐛 Difficult to get planets into stable orbits
  • 🐛 Planets often get pulled out of habitable zones
  • 🔒 Limited number of planets/objects without watching ads
  • 🐛 Confusing or unintuitive controls
  • 🐛 Occasional bugs and glitches
Milky Way: Cosmic Playground#3

Milky Way: Cosmic Playground by Panatpong Jantarawattanawanich

Gravity and Universe Sandbox
Worth Considering
🔍 Reference
4.7😊(1.9K ratings)
FreeIn-App Purchases
Milky Way: Cosmic Playground screenshot 1
Milky Way: Cosmic Playground screenshot 2
Milky Way: Cosmic Playground screenshot 3
Milky Way: Cosmic Playground screenshot 4
Milky Way: Cosmic Playground screenshot 5
Milky Way: Cosmic Playground screenshot 6

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.

What We Love

  • 🚀 Realistic space simulation
  • 👍 Fun and engaging gameplay
  • 🌌 Impressive galaxy collision effects
  • 💡 Variety of game modes

Room to Improve

  • 🐛 Bugs in protoplanet simulation
  • 🐛 Crashes in galaxy merger mode
  • 🔋 Performance issues on some devices
  • 📺 Ads can be intrusive

More Universe Simulator apps to explore

FAQ about Universe Simulator

What are the best universe simulator apps & games for iPhone?
Solar System Sim tops our universe simulator apps & games ranking as of September 2026, with a 4.5-star average from 4.2K App Store ratings, and it's free to download.
Yes — 19 of the top universe simulator apps & games we rank are free to download, including Solar System Sim and Pocket Galaxy: Gravity Sandbox.
Solar System Sim shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ universe simulator apps & games on the iOS App Store as of September 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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