196+ iOS apps & games curated and reviewed
Out of 196+ alien planet apps and games on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (9) | No | No | Jul 2026 |
| 2 |  | Free | 4.8★ (127K) | Yes | Yes | Jul 2026 |
| 3 |  | Free was $3.99 | 4.8★ (383K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.5★ (2.1K) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.5★ (44K) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.8★ (3.9K) | No | Yes | Jul 2026 |
| 7 |  | Free | 4.3★ (1.9K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6★ (32K) | Yes | Yes | Jul 2026 |
Fly an alien to dodge tractor beams and score points for your chosen state or country. Compete on a global leaderboard to see which territory reigns supreme. A simple, family-friendly game with infinite replayability.
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.
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.
Embark on an underwater adventure to rescue your captured crew from an evil alien. Navigate challenging aquatic worlds, collect coins to upgrade your spaceship, and battle dangerous creatures. Your quick reflexes and strategic upgrades are key to saving the day.
Embark on an interstellar adventure to explore the vastness of the galaxy. Your mission is to destroy planets, upgrade your arsenal, and conquer challenging bosses. Prepare for an epic cosmic journey.
Embark on a cosmic journey as a planet seeking companionship and growth. Explore the universe, manage resources, upgrade tools, and battle through dungeons to discover yourself and gain favor with space gods. Features include a stock exchange, a gold fish, and more.
Command powerful fleets in epic space battles, manage resources, and build planetary facilities. Customize your starships and lead your alliance to conquer the galaxy in this sci-fi real-time strategy multiplayer saga.
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.
This game blends match-3 and sliding tile puzzles to evolve aliens. Match tiles to hatch and evolve creatures, harvest resources, and build your ultimate alien hive. Strategically defeat villainous bots and uncover the planet's mysteries.
Travel the universe, transforming barren planets into lush, comfortable habitats. Decompose comets for resources, use specialized tools to revitalize planets, and enjoy a relaxing, rewarding experience.
Build and manage your own space mining empire in this idle simulation game. Upgrade planets, smelt ore, hire managers, and play the galactic market to maximize profits. Compete in weekly tournaments for premium rewards.
Defend an ancient stronghold from alien invaders using powerful technologies. Build and upgrade towers in a classic tower defense experience with unique levels and diverse enemies. Enjoy an offline, ad-free strategy game with a compelling storyline.
Embark on a colorful jewel quest in this ultimate match-3 puzzle adventure. Solve hundreds of addictive levels, discover new worlds, and unlock special boosters. Play offline anytime, anywhere, and become a legend in this gem-swapping saga.
Defend Earth from alien invaders in this idle tower defense game. Build diverse turrets, strategize your defense, and power up your character with unique skills and weapons. Collect resources and take on global challenges to protect the planet.
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.
Pilot a powerful mining ship to drill, dig, and destroy planets for rare resources. Upgrade your vessel with deadly weapons and customize builds for unique challenges. Engage in PvP battles, join guilds, and compete on global leaderboards.
Engage in epic space combat strategy, build your base and fleets, and conquer the galaxy. Compete with millions of players worldwide in a dynamic online battlefield, complete missions, and explore the cosmos.
Engage in a unique blend of RPG, puzzle, and strategy to defend planets from robot invaders. Plan alien paths, hatch new creatures, and collect power cards to overcome hundreds of challenging levels and giant boss robots.
Defend your home planet in this roguelike tower defense game. Build and upgrade defenses to fend off alien invaders. Experience deep strategy with unique playthroughs and unlockable sentinels.
Become an alien invader and crush cities on Earth. Grow by abducting people and destroying buildings, but beware of other aliens who will try to swallow you. Compete against others in fast-paced, timed invasion battles.