144+ iOS apps & games curated and reviewed
With an average user rating of 4.3★, the astro defenders category is one of the App Store's strongest. Browse all 144+ 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★ (74) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 5.0★ (1) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (9K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 4.7★ (652K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 5.0★ (5) | No | No | Jul 2026 |
| 7 |  | Free | 1.0★ (1) | Yes | No | May 2026 |
| 8 |  | Free | 4.6★ (885) | No | Yes | Jul 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.
Engage in classic arcade-style space combat with a 150-level campaign. Collect items, upgrade your ship and weapons, and recruit warriors to fight alien waves and epic bosses. Experience fast-paced action with responsive touch controls.
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 classic arcade-style gameplay to protect Earth from incoming asteroids. Tap to steer and hold to accelerate your ship's spin to destroy threats before they reach the planet.
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.
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 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.
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 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.
Lead humanity's counterattack against alien invaders as Commander Astra. Rebuild your forces, gather resources, and upgrade your hero with powerful weapons to defend Earth. Engage in intense battles across the planet to reclaim the stars.
Engage in an interstellar battle against incoming red circular threats. Utilize your blue cannon to defend space and eliminate all targets.
Pilot retro-themed ships and blast through waves of alien invaders in this classic arcade-style shooter. Chain power-ups and complete missions to unlock new ships and climb the leaderboards. Enjoy simple one-touch controls and over 20 achievements.
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 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.
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.
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.
Defend Earth from an alien invasion in this fast-paced arcade space shooter. Upgrade your ship with powerful enhancements and conquer over 150 unique levels, including challenging boss battles. Compete for high scores and save your progress.