Defend your island from enemy attacks by strategically deploying and upgrading a variety of powerful weapons. Make wise decisions in battle to protect your city and lead your troops to victory.
Castle Island Defense by Duc Thuan Dinh





235+ iOS apps & games curated and reviewed
Castle Island Defense is the household name in castle island defense, but it's far from the only option. We track 235+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.1★ (73) | No | Yes | Oct 2026 | ||
| 2 | Free | 4.5★ (48K) | Yes | Yes | Nov 2026 | ||
| 3 | Free | 4.5★ (2.2K) | No | Yes | Nov 2026 | ||
| 4 | Free | 5.0★ (1) | No | Yes | Nov 2026 | ||
| 5 | Free | 4.9★ (4.2K) | Yes | Yes | Nov 2026 | ||
| 6 | Free | 4.6★ (1.5K) | Yes | Yes | Oct 2026 | ||
| 7 | Free | — | Yes | Yes | May 2026 | ||
| 8 | Free | 4.4★ (80K) | Yes | Yes | Nov 2026 |





Defend your island from enemy attacks by strategically deploying and upgrading a variety of powerful weapons. Make wise decisions in battle to protect your city and lead your troops to victory.



Embark on a quest to defeat monsters, gather treasures, and rescue hostages from a perilous tower. Enhance your hero's power and skills to defend your stronghold. This engaging game offers endless entertainment anytime, anywhere.






Engage in modern tower defense battles across diverse tropical islands, mountains, and deserts. Command a team of snipers, gunners, rockets, and ice towers to repel waves of diverse enemies, from infantry to aviation. Strategize and upgrade your units to protect your islands and achieve victory.