Comparison

Spaceship Rocket Simulator vs Space Defender

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

Head to head
About

Spaceship Rocket Simulator

Build and launch custom rockets to explore the galaxy. Experience realistic orbital mechanics and discover new planets and alien life. Defend your civilizations from cosmic threats in this open-universe space flight simulator.

Highlights
  • Build custom rockets from parts
  • Realistic orbital mechanics
  • Explore open universe
  • Discover new planets and alien life
  • Defend planets from threats
  • Recreate favorite space flights
Features
Read full description

spaceship rocket simulator Are you ready to enjoy playing this spaceship rocket simulator? Explore the space and planets in the galaxy and survive in new planets applying NASA science and technology methods by travelling into the new rockets. Discover new alien life in the universe space, start new civilizations and defend your planets from space flight simulator threats out of the solar system! This is a space ship space games about building your own rocket from parts in garage and launching it to explore space! - You have to use parts to create any rocket you want! - Make your accurate rocket physics! - New rockets & realistically scaled planets! -You have to recreate your favorite Space flight. - Open universe, you could not see something into the space, you can go there, no limits, no invisible walls! - Realistic orbital mechanics that related to real world! - Reach orbit with high speed, land on the Moon or different stars!

About

Space Defender

Features
Read full description

The frontier is falling. Hold the line. A top-down space shooter with real RPG progression, built for touch. Lead a squadron, take contracts and live a story told over the radio, voiced in six languages. A STORY IN FOUR ACTS Fly for Admiral Voss and Ilse Marin through three galaxies at war, then on to Kepler, the abandoned mining world of Act IV: gravity wells that pull everything in, descents into dark shafts and the port of Ferrum. Several endings wait at the end. YOUR SHIP, YOUR SQUADRON • 17 ships and over 60 pieces of equipment • Up to three wingmen who answer your orders on the radio • Pirate captains to spare, enlist or shoot down • Research, crew, mining, trade and salvage A LIVING GALAXY Dock at the spaceports for the bar, Command and the arcade room. Cross asteroid belts, minefields and magnetic storms. PLAY YOUR WAY • Touch controls or a controller, plays offline • Free to try: the whole first act, then one purchase unlocks the full game • No ads, no subscription • English, French, German, Spanish, Russian and Simplified Chinese Made by Petit Vaisseau, a one-person studio in France.

Screenshots

Spaceship Rocket Simulator4 screens
Space Defender4 screens

Verdict

The call

The clearest difference is review sentiment: Space Defender at 100% against Spaceship Rocket Simulator's 0%. Space Defender also leads on ads (none vs shown) and update cadence (daily vs every 6 weeks). Spaceship Rocket Simulator's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). On price 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. Space Defender sells 1 one-off in-app purchase. Spaceship Rocket Simulator asks for nothing beyond the download.

UpkeepUpdate frequency

Spaceship Rocket Simulator ships an update every 6 weeks, Space Defender daily. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Spaceship Rocket Simulator versus Space Defender: the parameters behind the verdict, then further details
ParameterSpaceship Rocket SimulatorSpace Defender
PriceFreeFree
Rating1.8 (20 ratings) — better—
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings20 — better—
Update frequencyEvery 6 weeksDaily — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size143 MB1.2 GB
Age rating12+9+
DeveloperMuhammad RashidGuillaume Merle

Customer experience

Spaceship Rocket Simulator

All ratings9 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Space Defender

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Spaceship Rocket Simulator

No in-app purchases

1 purchases

Space Defender

One-time1
  • Full game$4.99

Questions

Is Spaceship Rocket Simulator free?
Spaceship Rocket Simulator is free to download, with no in-app purchases.
Is Space Defender free?
Space Defender is free to download, with in-app purchases available.
Do Spaceship Rocket Simulator or Space Defender have ads?
Spaceship Rocket Simulator shows ads; Space Defender does not.
Which is updated more often, Spaceship Rocket Simulator or Space Defender?
Spaceship Rocket Simulator ships an update every 6 weeks, and Space Defender daily. Most recently, Spaceship Rocket Simulator was updated on October 24, 2026 and Space Defender on November 3, 2026.

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