250+ iOS apps & games curated and reviewed
Looking for free galaxy defense fortress apps and games? 18 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (9.1K) | Yes | Yes | Nov 2026 | |
| 2 |  | Free | 4.8★ (571) | Yes | Yes | Oct 2026 | |
| 3 |  | Free | 3.8★ (94) | Yes | No | Oct 2026 | |
| 4 |  | Free | 4.7★ (50) | Yes | Yes | Oct 2026 | |
| 5 |  | $0.99 | — | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.7★ (657K) | Yes | Yes | Nov 2026 | |
| 7 |  | Free | — | Yes | Yes | May 2026 | |
| 8 |  | Free | — | No | Yes | Jun 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.
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.
