250+ iOS apps & games curated and reviewed
From beginner-friendly picks to power-user tools, our galaxy defense td list covers 250+ iPhone apps and games updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (9K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.8★ (561) | Yes | Yes | Jul 2026 |
| 3 |  | Free | — | Yes | Yes | May 2026 |
| 4 |  | Free | 4.6★ (21) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 3.8★ (88) | Yes | No | Jul 2026 |
| 6 |  | Free | 4.7★ (14K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | — | Yes | No | Jun 2026 |
| 8 |  | Free | 1.7★ (15) | No | Yes | 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.
Command a galactic defense to protect your space tower from alien invaders. Strategically upgrade your tower's abilities and weapons to withstand relentless waves of enemies and defeat powerful bosses. Enjoy idle gameplay with ample rewards, even while offline.
Engage in classic random tower defense with a twist. Summon, swap, and merge mythical allies from three unique races to annihilate relentless waves of enemies. Prove your strategic skills to save the galaxy.
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 tower defense battles against alien invaders. Deploy a variety of towers, heroes, and infantry to defend Earth. Upgrade your defenses and strategize to overcome hordes of enemies across numerous levels and challenges.
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.
Build and merge towers to defend a planet in this casual strategy game. Strategically deploy and upgrade your defenses to conquer alien worlds. Experience thrilling sci-fi battles with endless challenges.
Engage in a challenging tower defense war against a cunning enemy. Deploy modern weapons, upgrade cannons, and utilize special skills to defend strategic bases across diverse terrains. This installment offers a maximum challenge with varied enemy attack strategies.
Command your forces in a galactic war against robots, spirits, and devils. Build defenses, deploy heroes, and strategize in real-time battles to protect your world. Compete in tournaments and rise through the ranks to become the ultimate defender.
