247+ iOS apps & games curated and reviewed
TerraGenesis is the household name in space building games, but it's far from the only option. We track 247+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.1★ (2K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.6★ (33K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (3.8K) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.3★ (486) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.9★ (116) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.5★ (1.6K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.0★ (6) | Yes | Yes | May 2026 |
| 8 |  | Free | 4.7★ (54) | Yes | Yes | Aug 2026 |
Build and manage extraterrestrial cities on planets across the solar system and beyond. Develop new civilizations, manage resources, and ensure the survival and happiness of your galactic residents in this free city-building simulator.
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.
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 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.
Build a futuristic metropolis on an alien planet in this relaxing city-building simulation. With over 950 building options, you can terraform landscapes, manage resources, and ensure your citizens thrive. Enjoy a sandbox experience with in-depth analytics and achievements, playable offline and across devices.
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.
Build a new human settlement on Mars by planning and constructing a space colony. Operate heavy machinery and manage resources to ensure survival in this city-building simulation game.
Embark on a survival adventure in uncharted space after a spacecraft failure. As an engineer, upgrade your module, build robots, gather resources, and construct a new ship to return home. Manage your basic needs while exploring diverse, procedurally generated planets.
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.
Embark on an epic sci-fi adventure in a falling Galactic Empire. Command your starship, explore uncharted space, and dominate a saga blending deep strategy with intense action. Uncover secrets, build your fleet, and shape the future of humanity.
Embark on an action-packed adventure to defend the world from an alien invasion. Pilot your ship, collect resources, and upgrade your fleet to defeat the extraterrestrial threat. Enjoy addictive gameplay with challenging levels and no internet connection required.
Engage in epic galactic warfare with players worldwide in this next-generation online space strategy game. Build and customize your space station, design powerful fleets, and form alliances to conquer sectors of space. Experience real-time battles and strategic gameplay with stunning HD graphics.
