Comparison

Universe Gravity Simulator 3D vs Planet Sylvia

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

Head to head
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
Read full description

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!

About

Planet Sylvia

Embark on a cosmic adventure to colonize planets, build bases, and upgrade your spacecraft. Explore a vast universe, gather resources, and uncover the secrets of uncharted worlds.

Highlights
  • Establish bases on uncharted worlds
  • Gather and manage resources
  • Upgrade and customize spacecraft
  • Unlock and customize specialized ships
  • Explore unique planets and their mysteries
  • Develop adaptive strategies for diverse environments
Features
Read full description

Blast off into a universe of wonder with Planet Sylvia, where space exploration and base building meet in an epic adventure! As a visionary space pioneer, you are tasked with the exhilarating mission to colonize the cosmos. Establish bases on mysterious planets, enhance your rockets for deep space travel, and uncover the hidden secrets of the universe one celestial body at a time. Construct and Expand: Found Bases: Initiate your cosmic conquest by establishing outposts on uncharted worlds. Expand your reach across the galaxy as you unlock new territories and resources. Resource Mastery: Efficiently gather and manage resources to power your expansions and technological advancements, ensuring your survival in the vastness of space. Rocket Evolution: Custom Rocketry: Upgrade and customize your spacecraft with state-of-the-art technology. Tailor your vessel for various exploration needs, from speed to cargo capacity. Tech Breakthroughs: Propel your journey forward with breakthroughs in space technology, enhancing your bases and vessels for the ultimate spacefaring experience. Unravel the Mysteries: Infinite Exploration: The universe is your playground, filled with unique planets each harboring their own mysteries and challenges. Adaptive Strategies: Tackle diverse planetary environments and overcome the challenges they present to thrive in the unknown. Fleet Diversity: Unlockable Ships: Assemble a fleet of specialized ships, each offering unique features and capabilities. Customize your fleet to suit your exploration style and the challenges you face. Tailored Expeditions: Choose the right ship for each mission, whether it's a quick scouting trip or a major resource-gathering expedition.

Screenshots

Universe Gravity Simulator 3D4 screens
Planet Sylvia4 screens

Verdict

The call

The clearest difference is review sentiment: Planet Sylvia at 100% against Universe Gravity Simulator 3D's 43%. Planet Sylvia also leads on update cadence (every 3 days vs every 5 weeks). Universe Gravity Simulator 3D's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, in-app purchases, monetization model and device support 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. Universe Gravity Simulator 3D sells 1 one-off in-app purchase and Planet Sylvia sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Universe Gravity Simulator 3D ships an update every 5 weeks, Planet Sylvia every 3 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Universe Gravity Simulator 3D versus Planet Sylvia: the parameters behind the verdict, then further details
ParameterUniverse Gravity Simulator 3DPlanet Sylvia
PriceFreeFree
Rating4.0 (143 ratings) — better—
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings143 — better—
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size235 MB514 MB
Age rating4+4+
DeveloperKUNHAR GAMES LTDAli YUCE

Customer experience

Universe Gravity Simulator 3D

All ratings136 ratings
Positive75.0%
Neutral3.7%
Negative21.3%
Written reviews7 reviews
Positive42.9%
Neutral28.6%
Negative28.6%

Planet Sylvia

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Universe Gravity Simulator 3D

One-time1
  • Remove Ads$2.99
6 purchases

Planet Sylvia

One-time6
  • Diamond Pack 1$0.99
  • Diamond Pack 2$3.99
  • Promo Pack$4.99
Show 3 more
  • Diamond Pack 3$9.99
  • Diamond Pack 4$19.99
  • Diamond Pack 5$39.99

Questions

Is Universe Gravity Simulator 3D free?
Universe Gravity Simulator 3D is free to download, with in-app purchases available.
Is Planet Sylvia free?
Planet Sylvia is free to download, with in-app purchases available.
Do Universe Gravity Simulator 3D or Planet Sylvia have ads?
Planet Sylvia shows ads; Universe Gravity Simulator 3D does not.
Which is updated more often, Universe Gravity Simulator 3D or Planet Sylvia?
Universe Gravity Simulator 3D ships an update every 5 weeks, and Planet Sylvia every 3 days. Most recently, Universe Gravity Simulator 3D was updated on November 3, 2026 and Planet Sylvia on October 30, 2026.

Other comparisons