245+ iOS apps & games curated and reviewed
Every iPhone needs a few good galaxy defense games. We benchmark 245+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (9K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.7★ (652K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.7★ (350K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (2.4K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.7★ (4.9K) | No | Yes | Aug 2026 |
| 6 |  | Free | 4.9★ (165) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (2.6K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 1.0★ (1) | No | No | May 2026 |
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.
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.
Engage in thrilling arcade space battles protecting Earth from alien invaders. Pilot a lone spaceship, upgrade your arsenal, and face off against epic bosses in this classic shoot 'em up experience.
Engage in intense space combat, piloting a lone spaceship to defend the galaxy from alien invaders. Dodge enemy fire, upgrade your spacecraft, and challenge powerful bosses in various game modes. Plan your strategy and unleash your fighter's full potential.
Engage in thrilling space combat in this action-packed alien shooter. Upgrade your spaceship's engines, collect items, and complete daily tasks to climb global leaderboards. Experience a unique rotation luck feature.
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.
Pilot a lone spaceship to defend Earth from alien swarms in this classic arcade-style space shooter. Upgrade your ship, dodge enemy fire, and battle challenging bosses to save the galaxy.
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 epic sci-fi battles to conquer the galaxy. Discover new planets, build military bases, and command powerful fleets. Form alliances and wage wars to expand your territory and achieve universal domination.
Pilot a starship in a futuristic war against alien mechworms. Engage in intense aerial combat, upgrade your ship with collected items, and face challenging boss battles to save humanity. Optimized for a wide range of devices.
Defend the frontier against alien invaders in this roguelike tower defense game. Strategically upgrade skills, create powerful combos, and face off against colossal bosses. Enjoy one-handed portrait gameplay and offline rewards.
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 intense space combat, automatically shooting or manually aiming at enemies and asteroids. Unlock new abilities and permanent upgrades to enhance your ship's stats and progress through levels. Compete globally to climb the leaderboard and prove your dominance.
Embark on an epic space adventure to defend the galaxy from an alien invasion. This arcade shooter combines classic gameplay with stunning modern graphics, intense battles, and challenging boss fights. Collect power-ups and unlock achievements as you fight to save the universe.
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.
Defend the galaxy's last tower from waves of enemies in this classic tower defense game. Upgrade your tower's abilities, unlock skills, and collect resources to become stronger. Enjoy offline play, global rankings, and one-handed controls.