Starbase Defender X app icon

Apps Like Starbase Defender X for iPhone and iPad

Defend base from falling objects

Defend a base from objects and aliens pulled by gravity fields. Use weapons to eliminate threats. Manage resources and upgrade defenses. Navigate through different levels with increasing difficulty.

by Jay Phillips★ 0.00 ratingsEntertainmentFreeData updated 2026-09-06

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Space Cadet Defender HD: Invaders app icon

    Space Cadet Defender HD: Invaders

    SixHourSoft LLC

    Defend Earth and upgrade ships

    Defend Earth from aliens in a fast-paced arcade shooter. Play through 150+ unique levels and boss battles. Upgrade your ship with new abilities. Use powerups to gain advantages. Save progress and compete on GameCenter leaderboards.

    ★ 4.4467 ratingsGamesFreeData updated 2026-09-08
  2. Invasion Breaker: Idle clicker app icon

    Invasion Breaker: Idle clicker

    Mirols OU

    Defend planets and destroy alien bases

    Defend your home planet by placing and upgrading military units. Destroy alien buildings and manage resources to sustain attacks. Use airstrikes and heavy equipment to eliminate threats. Progress through levels with increasing difficulty.

    ★ 4.71,259 ratingsGamesFreeData updated 2026-09-06
  3. 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
  1. Aliens vs Zombies: Invasion app icon

    Aliens vs Zombies: Invasion

    Gamegears Limited

    Devour objects, upgrade saucer, conquer levels

    Control a flying saucer to navigate levels and consume objects. Collect resources to build and upgrade cannons. Gain experience points to enhance the saucer's abilities. Defend against waves of enemies and complete levels.

    ★ 4.71,635 ratingsGamesFreeData updated 2026-09-06
  2. Idle Breaker app icon

    Idle Breaker

    Estoty LLC

    Break objects, collect materials, upgrade tools, explore

    Break objects to collect base materials. Use materials to upgrade tools. Unlock new areas for exploration. Navigate environments with collected resources. Trade items with other players. Complete challenges for rewards.

    ★ 4.723,898 ratingsGamesFreeData updated 2026-09-06
  3. Army Defence! app icon

    Army Defence!

    SayGames LTD

    Parachute in and defend your base

    Defend bases under attack with tower defense mechanics. Place units to repel enemy waves. Collect loot to upgrade defenses. Progress through war-torn locations. Manage resources and squad members. Complete missions to advance.

    ★ 4.610,892 ratingsGamesFreeData updated 2026-09-06
  4. Grim Defender: Castle Defense app icon

    Grim Defender: Castle Defense

    Byteghoul UG (haftungsbeschraenkt)

    Defend , upgrade defenses, defeat waves

    Defend your against waves of monsters. Upgrade structures and collect resources. Equip and combine crossbows, spells, traps, and modules. Improve defenses and strategies to survive endless attacks.

    ★ 4.71,027 ratingsGamesFreeData updated 2026-09-06
  5. Sandbox toilet meme playground app icon

    Sandbox toilet meme playground

    TECHNOPROSPER LTD

    Spawn units, build structures, battle

    Create and customize battle scenarios with gravity gun to spawn allies and enemies. Build structures, drive vehicles, and deploy units like aliens, robots, and knights. Simulate battles using strategy elements similar to real-time strategy games.

    ★ 4.31,904 ratingsGamesFreeData updated 2026-09-06
  6. SOB TV app icon

    SOB TV

    G.R.O.M. Incorporated

    ★ 5.0322 ratingsEducationFreeData updated 2026-09-06
  7. Silly Wisher app icon

    Silly Wisher

    Sun Li Lily

    Mix characters, create curses, share results

    Create cursed mutations by combining 2-4 characters. Generate cards using Enka.Network data. Save characters to breed new cursed creations. Battle with pulled characters.

    ★ 4.874,756 ratingsEntertainmentFreeData updated 2026-09-06
  8. Fight For America: Country War app icon

    Fight For America: Country War

    HOMA GAMES

    Defend bases, deploy troops, conquer states

    Is a tactical tower defense game where players defend and attack bases to conquer states. Manage resources, deploy units, and upgrade defenses. Battle enemy countryballs with varied abilities. Progress through states to end the war.

    ★ 4.6137,129 ratingsGamesFreeData updated 2026-09-06
  9. Zombie Fortress: Trap Defense app icon

    Zombie Fortress: Trap Defense

    SayGames LTD

    Defend bases, merge weapons, defeat zombies

    Defend against waves of zombies using tower mechanics. Place and upgrade towers to shoot zombies. Collect weapons and equipment to enhance defenses. Merge weapons for stronger combinations. Progress through levels with increasing difficulty.

    ★ 4.51,709 ratingsGamesFreeData updated 2026-09-06
  10. Idle Monster TD app icon

    Idle Monster TD

    Swell Games LLC

    Defend your land with monsters

    Defend your base by placing allies to attack robot invaders. Choose units like Sea Stallion for speed or Firefly for damage. Clear maps to reset waves and progress through levels. Manage resources to upgrade and expand defenses.

    ★ 4.72,537 ratingsGamesFreeData updated 2026-09-06
  11. Gunner : Galaxy Defender 3D app icon

    Gunner : Galaxy Defender 3D

    Peter Sokolov

    Destroy enemies and protect allies

    Play as a space turret operator defending friendly objects from enemy attacks. Use 12 primary weapons with unlimited ammo but scoring penalties and 6 secondary weapons with limited ammunition. Defend positions and eliminate all incoming threats.

    ★ 4.339 ratingsGames$2.99Data updated 2026-09-09
  12. Alien Invasion: RPG Idle Space app icon

    Alien Invasion: RPG Idle Space

    CRAZY LABS BY TABTALE , G.P.

    Defeat enemies to evolve your army

    Defeat humans to gain resources and evolve your . Upgrade attack speed, capacity, and catching radius. Battle bosses with increasing difficulty to progress. Manage an army of aliens and strategize combat tactics.

    ★ 4.8122,332 ratingsGamesFreeData updated 2026-09-06
  13. Idle Zombies app icon

    Idle Zombies

    Lion Studios LLC

    Defend cities, eliminate , upgrade weapons

    Defend cities from by upgrading weapons and resources. Swipe to attack and earn rewards. Unlock new cities and bosses. Tap to manage resources and upgrade defenses. Buy and upgrade weapons to increase attack power.

    ★ 4.867,553 ratingsGamesFreeData updated 2026-09-06
  14. Alien Shooter 2 - The Legend app icon

    Alien Shooter 2 - The Legend

    SIGMA TEAM COMPANY LIMITED

    Play and battle enemies

    Play a first-person game featuring explosive action and worldwide multiplayer battles. Explore a secret base to uncover the origins of monstrous threats. Unlock weapons and abilities through progression.

    ★ 4.6782 ratingsGamesFreeData updated 2026-09-06
  15. Idle Ants - Simulator Game app icon

    Idle Ants - Simulator Game

    MADBOX

    Command , build colonies, expand territories

    Command to build structures and expand territory. Collect resources to upgrade colonies and unlock new abilities. Send to harvest food, defend against threats, and conquer obstacles.

    ★ 4.7165,694 ratingsGamesFreeData updated 2026-09-06
  16. Kill Zombies Idle app icon

    Kill Zombies Idle

    HWA DAVID

    , upgrade weapons, defend home

    Allows players to eliminate , summon companions, upgrade weapons, and defend territory. Features include weapon collection, progression through levels, and continuous gameplay without time limits.

    ★ 4.6463 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

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