Comparison

Spaceflight Simulator vs Universe Gravity Simulator 3D

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Spaceflight Simulator

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

Highlights
  • Build custom rockets
  • Realistic orbital mechanics
  • Explore a scaled universe
  • Visit planets and moons
  • Open-world space exploration
  • Real-life physics simulation
Read full description

This game is about space explorations, its about building your own rocket, and going out to explore and see whats out there, all while following real life physics. • Realistically scaled universe, with planets up to hundreds of kilometers in size and millions of kilometers of space between them. • Realistic orbital mechanics • Open universe, if you see something in the distance, you can go there, no limits, no invisible walls. Current planets: Mercury. Venus. Earth. Moon. Mars. Phobos. Deimos.

About

Universe Gravity Simulator 3D

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.

Highlights
  • Realistic physics engine
  • Dynamic universe creation
  • Immersive 3D environments
  • Gravity simulation
  • Solar system exploration
  • Interplanetary collisions
  • Space combat missions
Features
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Welcome to Universe Gravity Simulator 3D, where the cosmos is your playground! This universe sandbox is the ultimate outer space game, combining elements of arcade games, alien shooter missions, and gravity-defying fun. Whether you're a casual gamer or a dedicated space enthusiast, this game will pull you in with its realistic simulation of outer planets, star realms, and intergalactic battles. If you've ever wondered what it feels like to be a planet creator or a planet destroyer, this solar system game puts the power of the universe in your hands! Imagine the thrill of building and shaping entire galaxies, adjusting orbits, growing stars, and watching your solar system evolve. But it's not just about creation—Universe Gravity Simulator 3D lets you engage in galaxy attacks, destroy planets, and even wipe out stars. You’ll command your own space force as you fight to protect your Earth, while also facing off against alien invaders in intense battles inspired by arcade classics like space invaders and galaxy attack. As you play, you’ll discover stars, tweak gravitational forces, and even set up interplanetary collisions, all in the name of fun. Have you ever stargazed and wondered what it would be like to explore Venus, Mars, or the outer reaches of the solar system? Or maybe you've daydreamed of being an astronaut, hurtling through the galaxy in a powerful spaceship, fighting off space invaders in a heroic space battle? Universe Gravity Simulator 3D allows you to explore all of these possibilities and more. The stunning visuals will transport you to far-off star realms where your spaceship sim becomes more than just a game—it's a journey through space and time, a space odyssey that blurs the lines between play and exploration. Game Features: • Realistic physics engine and mechanics. • Dynamic universe creation and amazing phenomenon. • Immersive 3D environments and stunning graphics. • Gravity simulator with solar systems to discover. • Interactive journal to track your universe simulator 3D. • Embark on a journey through space, where you can craft your own universe within a universe sandbox, explore the solar system simulator, and experiment with the laws of physics in a space sandbox. • With Universe Space Simulator, the cosmos is at your fingertips—ready to be shaped, explored, and understood How to Play: • Discover Sandbox Planets, design and create your own solar system, galaxy, universe, and space, and enjoy watching them orbit, • collide, and interact in a cosmic dance in your space sandbox. • Start with a small asteroid absorbing other asteroids to form a solar system. • Adjust the galaxy speed as you like it most. Explore how life develops in your solar system through the planet journal. • Screenshot your complete galaxy with stars and share it with family/friends. Universe Gravity Simulator 3D offers endless possibilities for fans of outer space games, whether you're into astronomy games, arcade action, or stargazing in a planetarium 3D environment. Dive into this expansive solar system game, harness gravity, and become the ultimate master of the universe!

Screenshots

Spaceflight Simulator4 screens
Universe Gravity Simulator 3D4 screens

Verdict

The call

The clearest difference is review sentiment: Spaceflight Simulator at 86% against Universe Gravity Simulator 3D's 43%. Spaceflight Simulator also leads on rating (4.8 vs 4.0) and ratings volume (97K vs 128). Universe Gravity Simulator 3D's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Spaceflight Simulator sells 10 one-off in-app purchases and Universe Gravity Simulator 3D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Spaceflight Simulator holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Spaceflight Simulator has 97K ratings behind it against 128, so its average is the more settled of the two. Written reviews point the same way: 86% of Spaceflight Simulator's written reviews are positive against 43% of Universe Gravity Simulator 3D's.

UpkeepUpdate frequency

Spaceflight Simulator ships an update every 9 days, Universe Gravity Simulator 3D every 5 weeks. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard5 real differences · 5 level
Spaceflight Simulator versus Universe Gravity Simulator 3D: the parameters behind the verdict, then further details
ParameterSpaceflight SimulatorUniverse Gravity Simulator 3D
PriceFreeFree
Rating4.8 (97K ratings) — better4.0 (128 ratings)
Positive reviews85.7% of reviews — better42.9% of reviews
Number of ratings97K — better128
Update frequencyEvery 9 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size172 MB235 MB
Age rating4+4+
DeveloperSpaceflight Simulator UK LtdKUNHAR GAMES LTD

Customer experience

Spaceflight Simulator

All ratings97,457 ratings
Positive96.3%
Neutral1.7%
Negative2.0%
Written reviews4,740 reviews
Positive85.7%
Neutral5.0%
Negative9.3%

Universe Gravity Simulator 3D

All ratings128 ratings
Positive75.0%
Neutral3.9%
Negative21.1%
Written reviews7 reviews
Positive42.9%
Neutral28.6%
Negative28.6%

Bugs and requests

Spaceflight Simulator

Reported bugs

4 issues
  • Rocket parts sometimes clipping through each other
  • Occasional freezing or crashing when launching large rockets
  • Issues with RCS thrusters firing unexpectedly during docking
  • Problems with maintaining stable orbits and transfers

Requested features

6 requests
  • Add more planets, moons, and celestial bodies to explore
  • Implement a career mode or progression system with challenges
  • Allow for more customization of rocket parts and spacecraft
  • Improve docking and rendezvous mechanics to make them more accessible
  • Add the ability to control individual astronauts and perform EVAs
Show 1 more
  • Implement a fuel line system for more efficient staging

Universe Gravity Simulator 3D

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Spaceflight Simulator

One-time10
  • Skins Expansion$2.99
  • Full Version$3.99
  • Redstone + Atlas Pack$3.99
Show 7 more
  • Parts Expansion$4.99
  • Infinite Area Expansion$4.99
  • Expansion Bundle$7.99
  • Cheats Expansion$9.99
  • Full Bundle Upgrade$9.99
  • Full Bundle$11.99
  • Full Bundle$14.99
1 purchases

Universe Gravity Simulator 3D

One-time1
  • Remove Ads$2.99

Questions

Is Spaceflight Simulator free?
Spaceflight Simulator is free to download, with in-app purchases available.
Is Universe Gravity Simulator 3D free?
Universe Gravity Simulator 3D is free to download, with in-app purchases available.
Which has better reviews, Spaceflight Simulator or Universe Gravity Simulator 3D?
Spaceflight Simulator is rated higher. Spaceflight Simulator averages 4.8 out of 5 from 97K ratings, while Universe Gravity Simulator 3D averages 4.0 from 128 ratings.
Do Spaceflight Simulator or Universe Gravity Simulator 3D have ads?
Neither Spaceflight Simulator nor Universe Gravity Simulator 3D shows ads.
Which is updated more often, Spaceflight Simulator or Universe Gravity Simulator 3D?
Spaceflight Simulator ships an update every 9 days, and Universe Gravity Simulator 3D every 5 weeks. Most recently, Spaceflight Simulator was updated on September 25, 2026 and Universe Gravity Simulator 3D on September 20, 2026.

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