Spaceflight Simulator vs Booster Up!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Spaceflight Simulator
Build and launch rockets to explore a realistic, open universe. Experience space exploration with accurate physics and a vast, explorable solar system.
- Build custom rockets
- Realistic orbital mechanics
- Explore a scaled universe
- Visit planets and moons
- Open-world space exploration
- Real-life physics simulation
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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.
Booster Up!
Embark on an intergalactic adventure by merging rocket modules to create powerful spacecraft. Launch your rocket, explore planets, collect rewards, and upgrade components to fly farther and overcome challenges.
- Merge rocket modules
- Launch and explore planets
- Collect rewards and stars
- Upgrade rocket components
- Unlock new rockets
- Overcome space challenges
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Prepare for an intergalactic journey in this exhilarating game! Start with a basic rocket and upgrade it by merging different modules. Then, launch your rocket into space and explore various planets. During your space flight, swipe your rocket towards gift boxes in different directions to earn rewards. Collect stars to upgrade your rocket's heat shield, fuel or booster and fly even farther for explore the space! As you fly deep into space, earn money to unlock new rockets and visit different planets. Find the VIP boxes and launch toward to them and earn special items and power-ups to give you an edge on your journey. With each new planet, you'll encounter unique challenges and obstacles, but don't worry, your upgraded rocket and modules will help you overcome them. But that's not all! As you collect more stars, you'll also unlock the ability to upgrade your modules of your rocket! From high-boost rockets that can travel at lightning speeds to high-fuel rockets that can fly even the frontier the space, the possibilities are endless. So what are you waiting for? Strap in and blast off into a galaxy full of adventure with this exciting game. It's time to boosters up and explore the final frontier! By downloading Booster Up! you are agreeing to our terms of service; https://www.rollicgames.com/terms
Screenshots
Verdict
Spaceflight Simulator and Booster Up! both sit at 4.8 stars, but that hides the real split: 86% of Spaceflight Simulator's written reviews are positive against 19% of Booster Up!'s. Spaceflight Simulator also leads on ads (none vs shown) and ratings volume (97K vs 17K). Booster Up!'s advantage is iOS requirement (11.0 vs 15.0). On price, rating, update cadence 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
Both are free to download. Spaceflight Simulator sells 10 one-off in-app purchases and Booster Up! sells 14 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Spaceflight Simulator holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Spaceflight Simulator has 97K ratings behind it against 17K, 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 19% of Booster Up!'s.
Spaceflight Simulator ships an update every 9 days, Booster Up! weekly. Both last shipped on September 24, 2026.
| Parameter | Spaceflight Simulator | Booster Up! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (97K ratings) — better | 4.6 (17K ratings) |
| Positive reviews | 85.7% of reviews — better | 19.2% of reviews |
| Number of ratings | 97K — better | 17K |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 172 MB | 400 MB |
| Age rating | 4+ | 12+ |
| Developer | Spaceflight Simulator UK Ltd | Rollic Games |
Customer experience
Spaceflight Simulator
Booster Up!
User reviews
Spaceflight Simulator
From 97K App Store ratingsWhat we love
- 🚀 Realistic physics and space simulation
- 👍 Intuitive controls and easy to learn
- 🚀 Ability to build complex rockets and spacecraft
- 👍 No ads or in-app purchases required to play
Room to improve
- 🐛 Occasional bugs and glitches, especially with large rockets
- 🔋 Potential performance issues on older devices
- 🔒 Limited customization and part options in free version
- 🚀 Docking and rendezvous maneuvers can be very challenging
Booster Up!
From 17K App Store ratingsWhat we love
- 🚀 Fun and challenging gameplay
- 🚀 Simple and intuitive controls
- 👍 Visually appealing graphics
Room to improve
- 🐛 Frequent bugs and glitches
- 💸 Excessive in-app advertisements
- 🔒 Requires internet connection to play
- 🔋 High battery consumption
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
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- Implement a fuel line system for more efficient staging
Booster Up!
Reported bugs
5 issues- Rocket parts disappearing after upgrades
- Inability to reach or progress past certain planets
- Inconsistent reward payouts
- Game freezing or crashing
- Saved progress not loading correctly
Requested features
4 requests- Offline play mode
- More diverse rocket and module options
- Improved progression system
- Better reward balancing
In-app purchases
Spaceflight Simulator
- Skins Expansion$2.99
- Full Version$3.99
- Redstone + Atlas Pack$3.99
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- 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
Booster Up!
- Beginners Pack$0.99
- Money - 50M$1.99
- Diamond - 3M$1.99
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- No ADS$3.99
- Special Module Pack$4.99
- Skip It - 60x$5.99
- Diamond - 25M$5.99
- Adventurer’s Pack$6.99
- Adventurer's Pack with No-Ads$9.99
- Astronaut’s Pack$12.99
- Astronaut’s Pack with No Ads$14.99
- Explorer’s Pack$19.99
- Diamond - 150M$19.99
- Explorer’s Pack with No Ads$24.99
Questions
Is Spaceflight Simulator free?
Is Booster Up! free?
Which has better reviews, Spaceflight Simulator or Booster Up!?
Do Spaceflight Simulator or Booster Up! have ads?
Which is updated more often, Spaceflight Simulator or Booster Up!?
Other comparisons
