Galaxy Defender app icon

Apps Like Galaxy Defender for iPhone and iPad

Defend galaxy against alien invaders now.

The app allows users to defend the galaxy against alien invaders with a rapid fire laser. It features four degrees of game difficulty and unlimited game levels with vivid graphics and cool sound effects.

by PROCYPHER CORPORATION★ 5.02 ratingsGamesFreeData updated 2026-09-17

Galaxy Defender screenshots

Ranked alternatives

Showing 61–80 of 1,000 ranked alternatives.

  1. Planet Defense: Space TD game app icon

    Planet Defense: Space TD game

    CYBERJOY LIMITED

    Build defenses, upgrade towers, defeat aliens

    Build and upgrade defenses to repel alien waves. Manage resources and optimize strategies for survival. Earn randomized upgrades and face unique challenges in each playthrough. Track progress and adjust tactics to maximize effectiveness.

    ★ 4.61,031 ratingsGamesFreeData updated 2026-09-06
  2. Galaxy Combat: Space shooter app icon

    Galaxy Combat: Space shooter

    Le Nhung

    Fight enemies and defend the

    Play as a captain defending the against intruders. Shoot enemies in fast-paced combat. Upgrade weapons and unlock new ships. Complete missions to earn rewards and progress through levels. Track achievements and compete with other players.

    ★ 4.932 ratingsGamesFreeData updated 2026-09-15
  3. SPACE INVADERS app icon

    SPACE INVADERS

    TAITO Corporation

    Shoot aliens, defend Earth, upgrade cannon

    Play a shooting game featuring waves of alien defended by a cannon. Use three control methods optimized for iPhone and iPad. Choose from four screen modes. Access bonus content including rare original materials.

    ★ 4.182 ratingsGames$4.99Data updated 2026-09-08
  1. ASTROKINGS: Galactic Survival app icon

    ASTROKINGS: Galactic Survival

    ANGames Co.,Ltd

    Build and command space fleets

    Manage resources and build planetary facilities across multiple worlds. Command customizable space fleets in real-time battles. Form alliances to conquer the galaxy. Upgrade ships and weapons. Track progress and manage in-game economies.

    ★ 4.31,861 ratingsGamesFreeData updated 2026-09-16
  2. Galaxy Attack: Space Invaders app icon

    Galaxy Attack: Space Invaders

    Hoang Thi Na

    Defend galaxies with energy weapons

    Defend the by launching energy balls at enemy spaceships. Upgrade weapons and unlock new abilities. Navigate through waves of increasing difficulty. Customize ship appearance and select power-ups. Compete in leaderboards and unlock achievements.

    ★ 5.04 ratingsGamesFreeData updated 2026-09-06
  3. Galaxy Infinity: Alien Shooter app icon

    Galaxy Infinity: Alien Shooter

    Anh Nguyen

    Shoot aliens, upgrade engines, climb rankings

    Control spaceship with finger movements. Upgrade engines and collect items to enhance performance. Complete daily tasks for rewards. Compete in global rankings. Adjust rotation for strategic shooting.

    ★ 4.9165 ratingsGamesFreeData updated 2026-09-22
  4. Sky Defense: War Duty app icon

    Sky Defense: War Duty

    HORUS ENTERTAINMENT COMPANY LIMITED

    Defend skies with arcade shooters

    Defend airspace by shooting incoming enemies. Upgrade weapons and unlock new abilities. Complete missions to earn rewards. Customize base defenses and manage resources. Track progress through levels and unlock achievements.

    ★ 4.69,445 ratingsGamesFreeData updated 2026-09-06
  5. Barrel Defender - Galaxy app icon

    Barrel Defender - Galaxy

    Stefan Preuss

    Protect barrels, blast waves of aliens.

    The app is a retro arcade shooter where players protect energy barrels and blast aliens. It features two game modes, 25 waves, various aliens, boss enemies, and weapon power-ups.

    ★ 4.01 ratingsGames$0.99Data updated 2026-09-11
  6. Galaxy Birds - Space Shooting app icon

    Galaxy Birds - Space Shooting

    Profuse SRL

    Fight aliens, upgrade weapons, conquer waves

    Play a fast-paced action arcade game featuring waves of enemies and boss battles. Collect upgrades to enhance firepower. Enjoy high-quality graphics optimized for all devices. Complete challenges to progress through levels.

    ★ 4.337 ratingsGamesFreeData updated 2026-09-15
  7. Farm Invasion USA app icon

    Farm Invasion USA

    THQ Nordic Mobile GmbH

    Mow aliens with corn chopper weapons

    Play a side-scrolling runner game featuring alien invaders and a corn chopper. Shoot enemies with various weapons. Dodge obstacles and tractor beams. Collect power-ups to enhance abilities. Unlock new weapons and upgrades.

    ★ 4.7127 ratingsGamesFreeData updated 2026-09-08
  8. Jupiter Attack app icon

    Jupiter Attack

    RED SPRITE STUDIOS PTY LTD

    Destroy enemies and collect power

    Play as a spaceship defending Earth from waves of enemies. Move and shoot using Apple Watch or iPhone touch screen. Collect power-ups like multi-shot, shield, and rapid fire. Compete for high scores in a retro-style arcade game.

    ★ 4.5386 ratingsGames$1.99Data updated 2026-10-09
  9. Space Cadet Defender: Recon Invaders app icon

    Space Cadet Defender: Recon Invaders

    SixHourSoft LLC

    Battle through alien hordes and upgrade

    Play a side-scrolling shooter against alien hordes. Upgrade your ship with new abilities. Navigate unique levels and defeat boss enemies. Collect powerups to boost performance. Compete for high scores through GameCenter.

    ★ 4.5231 ratingsGamesFreeData updated 2026-09-08
  10. Plant X - Plant Survivor Game app icon

    Plant X - Plant Survivor Game

    WEJOY PTE. LTD.

    Reap through forests, deserts, and alien worlds

    Explore diverse environments like forests, deserts, snow, and alien planets. Customize gameplay with ice, fire, and electricity elements. Summon pets and create screen-wide barrages.

    ★ 4.71,484 ratingsGamesFreeData updated 2026-09-06
  11. Space Wars 3D app icon

    Space Wars 3D

    Shiny Box, LLC (TX)

    Pilot ship, save galaxy from aliens.

    The app puts users in control of a ship to defend the galaxy from an alien invasion. Players can pilot their ship using on-screen controls or device tilt, and collect power-ups and bombs.

    ★ 4.220 ratingsGamesFreeData updated 2026-10-06
  12. Infinite Galaxy Tower Defense War of Heroes app icon

    Infinite Galaxy Tower Defense War of Heroes

    TG MEDIA CORPORATION

    Defend Earth from alien invaders.

    The Earth faces an alien invasion and requires tactical defense. Players build a space station fortress with upgradable weapons and traps to repel over 150 waves of enemies across 12 missions.

    ★ 1.715 ratingsGamesFreeData updated 2026-10-24
  13. Space Tower - Galaxy Tower TD app icon

    Space Tower - Galaxy Tower TD

    CYBERJOY LIMITED

    Defend waves with strategic upgrades

    Defend a against alien attacks using strategic upgrades. Customize weapon systems and enhance abilities to improve defenses. Progress through chapters to face challenging bosses.

    ★ 4.8561 ratingsGamesFreeData updated 2026-09-06
  14. WWII Tower Defense app icon

    WWII Tower Defense

    Leigh Be

    Defend lands with real-time strategy

    Defend territories against enemy waves using towers with various attack types. Place and upgrade towers to maximize damage. Manage resources to build and enhance units. Navigate real-time strategy elements with HD graphics and sound effects.

    ★ 4.68,432 ratingsGamesFreeData updated 2026-09-12
  15. Omni-Watch 3D: Watch Simulator app icon

    Omni-Watch 3D: Watch Simulator

    Samet Kuzu

    Play 3D alien watches with sound effects

    Browse 3D alien models with animations and sound effects. Tap to interact with watches and view detailed features. Customize faces and accessories. Share favorite designs with others.

    ★ 4.72,500 ratingsGamesFreeData updated 2026-09-06
  16. Real Time Shields app icon

    Real Time Shields

    Lion Studios LLC

    Defend castle with - drawing

    Play a - strategy game by drawing formations to defend your castle. Control troop movements with quick sketches. Defend against waves of invaders from multiple angles. React in to prevent enemies from reaching the tower.

    ★ 4.720,310 ratingsGamesFreeData updated 2026-09-21

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.