237+ iOS apps & games curated and reviewed
Every iPhone needs a few good alien war game. We benchmark 237+ 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★ (652K) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.1★ (21) | No | Yes | Aug 2026 |
| 3 |  | Free | — | Yes | No | May 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 4.8★ (128K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (268K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (2.3K) | No | No | Aug 2026 |
| 8 |  | Free | 4.8★ (135) | No | Yes | Jul 2026 |
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.
Engage in a futuristic tower defense experience with over 30 levels of intense alien warfare. Build and upgrade defensive towers, utilize power-ups, and strategize to protect your base from relentless waves of enemy spaceships. Compete with others through leaderboards and achievements.
Command an alien and grow its army by defeating humans in this idle RPG. Evolve your alien with new abilities, upgrade its stats, and face challenging boss battles to achieve extraterrestrial dominance.
Engage in a thrilling 3D invasion game where you must identify and eliminate hidden aliens disguised as ordinary people. Utilize scanners and blasters to complete levels, unlock new weapons, and rescue citizens from alien isolation across various city suburbs.
Become an alien invader and crush cities on Earth. Grow by abducting people and destroying buildings, but beware of other aliens who will try to swallow you. Compete against others in fast-paced, timed invasion battles.
Engage in intense space combat against alien invaders in this bullet hell shooter. Upgrade your spaceship, master unique skills, and conquer challenging bosses to save the universe. Play in campaign or endless modes with retro pixel graphics.
Engage in epic sci-fi battles in 2084, training and equipping space marines to conquer planets. Lead your forces across a star map, challenge friends, and strategize with tactic cards to dominate the galaxy.
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.
Engage in thrilling space combat as you pilot a fighter jet against waves of alien ships. Collect gems and gold to upgrade your weapons and power up your plane to save the galaxy.
Engage in epic online boss battles and challenging single-player missions in this action-packed shooter. Collect tons of gear, upgrade weapons, and customize your avatar to conquer alien invaders. Team up with friends for cooperative survival and intense multiplayer action.
Lead an alien invasion in this fast-paced strategy game. Choose from various alien races, harvest resources, and upgrade your forces to conquer Earth. Experience challenging gameplay with multiple difficulty levels.
Engage in intense alien battles with a variety of realistic firearms. Explore immersive environments, unlock upgrades, and complete challenging missions. Experience thrilling gunfights with intuitive controls.
Command a space ark, build a formidable fleet with human and alien commanders, and engage in large-scale, real-time wars with players worldwide. Conquer territories, govern planets, and trade resources in this galactic strategy game.
Lead an alien invasion to conquer Earth by building and evolving a monster army. Raid human bases, gather resources, and upgrade your lab and creatures for ultimate domination in this sci-fi strategy game.
Engage in a fast-paced, top-down space war to defend the galaxy from alien invaders. Command your ship, upgrade weapons, and complete over 100 missions to save humanity. This classic arcade shooter offers offline play and challenging boss battles.
Pilot your spaceship through space and defend it from alien attacks. Engage in combat to keep your vessel operational during your interstellar journeys.
Engage in a thrilling alien invasion defense. Wield powerful weapons and advanced scanners to eliminate extraterrestrial threats and protect city civilians. Upgrade your arsenal and skills to overcome diverse alien types and challenging missions.
Defend the galaxy from alien invaders in this thrilling offline space shooter. Pilot advanced starfighters, engage in intense dogfights, and complete challenging missions to save humanity. Upgrade your ship and face epic bosses.