Comparison

Planet Sylvia vs Space Crash Simulator

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

Head to head
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.

About

Space Crash Simulator

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.

Highlights
  • Smoothed Particle Hydrodynamics (SPH) simulation
  • Real-time planetary collisions
  • Customizable simulation parameters
  • Setup Mode for scenario creation
  • Adjustable particle count and accuracy
  • Physics-based detailed simulation
Features
Read full description

Smash worlds together and watch them shatter, merge, and melt, driven by real physics, not pre-made animations. Every planet is made of thousands of interacting particles, so every collision is computed live and no two impacts ever look the same. Build your own scenario in Setup Mode: place up to 8 bodies, set their size, density, spin and velocity, then let gravity do the rest. Or dive straight into a head-on collision and watch the debris glow, cool, and form a crust. - True particle physics (SPH), the first of its kind on mobile - Molten impact zones: heat, lava, and cooling crusts - Give planets rings or shred a moon into one with tidal forces (Roche limit) - Protoplanetary disk and colliding-galaxies modes - Black holes that tear planets apart - Custom planet textures from your own photos - Runs on everything: tune particle count, accuracy, and timescale to your device

Screenshots

Planet Sylvia4 screens
Space Crash Simulator4 screens

Verdict

The call

The clearest difference is review sentiment: Planet Sylvia at 100% against Space Crash Simulator's 81%. On price, update cadence, ads and in-app purchases 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. Planet Sylvia sells 6 one-off in-app purchases and Space Crash Simulator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Planet Sylvia ships an update every 3 days, Space Crash Simulator every 5 days. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
Planet Sylvia versus Space Crash Simulator: the parameters behind the verdict, then further details
ParameterPlanet SylviaSpace Crash Simulator
PriceFreeFree
Rating—4.4 (801 ratings) — better
Positive reviews100.0% of reviews — better81.2% of reviews
Number of ratings—801 — better
Update frequencyEvery 3 days — betterEvery 5 days
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size514 MB254 MB
Age rating4+4+
DeveloperAli YUCEWPC

Customer experience

Planet Sylvia

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

Space Crash Simulator

All ratings608 ratings
Positive86.5%
Neutral6.1%
Negative7.4%
Written reviews341 reviews
Positive81.2%
Neutral7.3%
Negative11.4%

Bugs and requests

Planet Sylvia

Not enough reviews yet to summarise bugs or requests.

Space Crash Simulator

Reported bugs

2 issues
  • Collision trails not clearing properly
  • Protoplanetary disc mode not working as expected

Requested features

7 requests
  • Add more celestial objects (black holes, stars, etc.)
  • Allow for custom textures and planet/atmosphere customization
  • Improve performance and optimization
  • Add more graphic options and settings
  • Allow for custom rings and moons around planets
Show 2 more
  • Enable free camera feature
  • Improve collision and heating effects

In-app purchases

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
1 purchases

Space Crash Simulator

One-time1
  • Premium$4.99

Questions

Is Planet Sylvia free?
Planet Sylvia is free to download, with in-app purchases available.
Is Space Crash Simulator free?
Space Crash Simulator is free to download, with in-app purchases available.
Do Planet Sylvia or Space Crash Simulator have ads?
Both Planet Sylvia and Space Crash Simulator show ads.
Which is updated more often, Planet Sylvia or Space Crash Simulator?
Planet Sylvia ships an update every 3 days, and Space Crash Simulator every 5 days. Most recently, Planet Sylvia was updated on October 30, 2026 and Space Crash Simulator on November 8, 2026.

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