250+ iOS apps & games curated and reviewed
SciFi Tower Defense is the household name in scifi tower defense, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (10) | No | Yes | May 2026 | |
| 2 |  | Free | 4.5★ (4) | Yes | Yes | Aug 2026 | |
| 3 |  | Free | 4.3★ (257) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.9★ (7) | Yes | No | Sep 2026 | |
| 5 |  | Free | — | No | No | Jun 2026 | |
| 6 |  | Free | 4.5★ (304) | Yes | Yes | Sep 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
Engage in an epic defense battle against dark forces by strategically placing and upgrading a variety of unique weapons. Analyze enemy attack patterns and adapt your tactics to overcome challenging maps in this charismatic strategy game.
Engage in a sci-fi tower defense roguelike where strategic turret placement and merging are key to surviving endless swarms. Optimize your limited backpack grid for unique runs and permanent upgrades.
Defend the galaxy from alien invaders in this sci-fi tower defense game. Strategically deploy futuristic towers, upgrade your arsenal, and adapt to waves of unique monsters. Your tactical decisions will determine humanity's fate.
