150+ iOS apps & games curated and reviewed
With an average user rating of 4.1★, the astro defenders category is one of the App Store's strongest. Browse all 150+ apps and games we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (72) | Yes | Yes | Jul 2026 |
| 2 |  | Free | — | Yes | Yes | May 2026 |
| 3 |  | Free | 4.8★ (8.9K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.7★ (650K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | Free | 4.4★ (540) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.6★ (885) | No | Yes | Jul 2026 |
| 8 |  | Free | 1.0★ (1) | Yes | No | May 2026 |
Defend your planet from alien bugs in this strategy-based tower defense game. Collect legendary heroes, build your squad, and survive endless waves of monsters in epic battles. Compete in survival challenges and prove yourself as a true legend of defense.
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.
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 a massive space strategy MMO where you colonize planets, build powerful fleets, and battle players globally. Explore alien technologies, form alliances, and lead humanity's fight for survival in a galactic war.
Engage in a thrilling strategy action defense game with fantastic graphics and cute characters. Strategically place units to protect the Tower of Life from invading monsters. It's an exciting, stress-relieving experience with great battles.
Engage in real-time 1v1 strategy by crafting unique ammunition and deploying mutant minions. Survive cosmic hazards and outmaneuver your opponent in quick, intense matches.
Defend your homeland from waves of evil robots by strategically deploying and upgrading a variety of powerful weapons. Explore diverse landscapes and adapt your tactics to overcome increasingly challenging robotic invaders in this exhilarating tower defense game.
Engage in epic space combat strategy by building and defending your base. Command a diverse army of ground and air units, gather resources, and battle millions of players worldwide to dominate the galaxy. Features stunning 3D graphics and a challenging campaign mode.
Engage in an interstellar battle against incoming red circular threats. Utilize your blue cannon to defend space and eliminate all targets.
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.
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.
Blast through waves of alien invaders in this classic arcade space shooter. Collect and upgrade over 100 unique ships, complete exciting missions, and compete on global leaderboards. Enjoy short game sessions or an action-packed campaign with stunning graphics.
Build and command your own space colony, construct a powerful fleet, and engage in epic interstellar warfare. Explore a vast universe, battle pirates or other players, and forge alliances to achieve galactic dominance.
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.
Engage in fast-paced, competitive deathmatches where players blast enemy ships and run over their pilots. Navigate dynamic arenas with simple controls, offering a unique party game experience for up to four players.
Defend Earth from an alien invasion by building a strategic space station fortress. Deploy a variety of upgradable weapons and traps to overcome over 150 waves of enemies and challenging bosses.
Pilot a starship in an intense arcade shooter to defend the galaxy from alien invaders. Engage in challenging campaigns, battle epic bosses, and compete with other players online. Your mission is to save humanity from an intergalactic war.