204+ iOS apps & games curated and reviewed
The best outer space games on iPhone average 4.5★ across 204+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (4K) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.8★ (97K) | No | Yes | Jul 2026 |
| 3 |  | Free was $3.99 | 4.8★ (383K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (3K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.8★ (127K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (32K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.6★ (25K) | Yes | No | Jul 2026 |
| 8 |  | Free | 4.7★ (18K) | Yes | Yes | Jul 2026 |
Simulate and explore celestial bodies within our solar system and beyond. Create your own solar systems, experiment with gravity and physics, and observe orbital mechanics in action.
Build and launch rockets to explore a realistic, open universe. Experience space exploration with accurate physics and a vast, explorable solar system.
Unleash your destructive power on planets with a vast arsenal of weapons. From nuclear missiles and lasers to monstrous creatures and asteroids, obliterate celestial bodies in this engaging simulator.
Investigate a deserted space station to uncover the mystery of the missing crew. Solve puzzles, gather tools, and complete unique challenges to survive and return to Earth. This premium escape game offers beautiful graphics and a compelling storyline.
Command an alien and grow its army by defeating humans in this idle RPG. Evolve your alien with new abilities, upgrade its stats, and face challenging boss battles to achieve extraterrestrial dominance.
Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.
Design and simulate your own universe with realistic physics. Customize planets, stars, and moons, then watch them interact. Destroy solar systems with powerful tools or explore the life that develops in your creations.
Design and battle custom spaceships in a futuristic arena. Compete against other players worldwide to prove your design skills and climb the ranks. Unlock new blueprints and modules to create unique, powerful vessels for epic space combat.
Pilot a lone spaceship to defend Earth from relentless alien swarms in this classic space shooter. Upgrade your weapons and skills to overcome increasingly difficult challenges across numerous levels and intense boss battles.
Engage in thrilling arcade-style space combat, defending the galaxy from alien invaders. Pilot customizable starships, upgrade weapons, and face challenging missions and bosses. Experience a blend of classic nostalgia and modern action with competitive multiplayer and leaderboards.
A multiplayer game of teamwork and betrayal set in space. Players complete tasks on a spaceship while identifying and voting out hidden impostors who aim to sabotage and eliminate the crew. Customize your game and characters for unique experiences.
Pilot your own starship through a vast, procedurally generated universe. Discover new star systems, planets, and moons, claiming ownership of your findings. Upgrade your ship and complete missions to explore the cosmos.
Manage your own space agency, from designing and building rockets to launching missions for research, mining, or tourism. Explore planets and moons, establish off-world economies, and advance your technology in this interplanetary simulation.
Embark on an epic space adventure as an astronaut exploring alien planets. Harvest resources, battle extraterrestrial foes, and upgrade your skills to uncover cosmic secrets. This game offers a vast universe to discover and conquer.
Launch rockets to orbit and beyond to colonize Mars in this addictive physics game. Earn in-game currency to upgrade your rockets and compete for high scores. Easy to learn, but challenging to master, offering endless replayability.
Relive the historic Apollo 11 Moon landing missions in this thrilling space flight simulator. Experience every stage, from rocket launch and lunar landing to spacewalks and safe reentry.
Build and command your own space station and fleet in a chaotic galaxy. Forge alliances, explore new worlds, and engage in strategic space battles to shape the future of the sector. Your decisions will determine the fate of the galaxy.
Embark on an epic space adventure across numerous solar systems and planets. Discover new technologies, customize your fleet with unique spaceship styles, and strive to rule the galaxy in this expansive exploration game.
Build and manage a futuristic spaceship factory. Research new technologies, assemble rockets, and launch them to explore new planets. Earn idle cash even when offline to grow your space empire.
Engage in a planet destruction simulator where you can obliterate various celestial bodies with an arsenal of weapons. Explore the cosmos and unleash your destructive power on Earth and other planets in the solar system.