Idle Monster TD: Tower Defense app icon

Apps Like Idle Monster TD: Tower Defense for iPhone and iPad

Evolve monsters to defend the portal

Manage and upgrade monsters to defend against waves of enemies. Place them strategically to maximize abilities. Evolve over 120 unique creatures. Automate battles and optimize resource management. Track progress and adjust strategies for effective .

by Monstermob Usa, Inc.★ 4.7808 ratingsGamesFreeData updated 2026-09-06

Idle Monster TD: Tower Defense screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. 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.

    ★ 4.72,554 ratingsGamesFreeData updated 2026-09-21
  2. Kitty Keep™ app icon

    Kitty Keep™

    Funovus LLC

    Level up cat heroes and defend

    Play a tower defense game with offline gameplay featuring cat heroes. Upgrade cats with claws, water, and sand abilities to defeat sea creatures. Earn rewards automatically through idle gameplay.

    ★ 4.94,300 ratingsGamesFreeData updated 2026-09-06
  3. Slime Legion app icon

    Slime Legion

    Perfeggs Technology Co., Limited

    Merge monsters, build towers, defeat invaders

    Merge monsters to strengthen them and evolve into powerful soldiers. Build and upgrade a tower defense setup. Choose and customize skill sets in a roguelike system.

    ★ 4.84,370 ratingsGamesFreeData updated 2026-09-06
  1. Wild Castle: Tower Defense TD app icon

    Wild Castle: Tower Defense TD

    Funovus LLC

    Build towers, forge gear, and defend

    Build and upgrade a castle with towers and heroes to defend against waves of monsters. Forge gear, manage resources, and expand your kingdom through strategic upgrades and town development.

    ★ 4.94,110 ratingsGamesFreeData updated 2026-09-26
  2. Summoners Greed: Idle Hero RPG app icon

    Summoners Greed: Idle Hero RPG

    PIXIO LIMITED

    Summon heroes, battle enemies, claim treasure

    Defend against waves of heroes by placing towers and casting spells. Upgrade abilities and manage resources to strengthen defenses. Earn rewards through gameplay and use them to enhance your strategy.

    ★ 4.9128,457 ratingsGamesFreeData updated 2026-09-13
  3. Idle Evolution: Reptile Empire app icon

    Idle Evolution: Reptile Empire

    Nikita Subachev

    Feed and grow your alligator

    Tap to control an alligator, collect food and power-ups in a 3D arena. Evolve the crocodile by feeding it, upgrade abilities, and battle against human targets. Manage resources to grow the monster and dominate the city.

    ★ 4.61,231 ratingsGamesFreeData updated 2026-09-06
  4. Slime Castle: Idle TD RTS Game app icon

    Slime Castle: Idle TD RTS Game

    AZUR INTERACTIVE GAMES LIMITED

    Fight enemies, collect gear, level up

    Play as a defending the forest from invaders. Upgrade abilities through battles, collect equipment, and use skills to defeat enemies. Build and upgrade a tower defense system. Unlock new levels and characters.

    ★ 4.97,984 ratingsGamesFreeData updated 2026-09-06
  5. Monster vs Ant -battle & build app icon

    Monster vs Ant -battle & build

    Firoz Hasan

    Summon and battle monsters and ants

    Summon and collect powerful Ants and Monsters to a stronger team. Train them while away and claim rewards. Power up and evolve creatures to increase their strength. Battle against enemies to earn exclusive rewards.

    ★ 4.72,795 ratingsGamesFreeData updated 2026-09-15
  6. Legend of Slime: Idle RPG app icon

    Legend of Slime: Idle RPG

    LoadComplete Co., Ltd

    Fight, evolve, and conquer in RPG battles

    Play a turn-based RPG with auto-battle features. Summon and upgrade slimes and heroes. Collect loot and resources. Conquer stages and earn rewards. Battle offline or online. Evolve characters and customize skills.

    ★ 4.740,607 ratingsGamesFreeData updated 2026-09-06
  7. Cow Evolution: Merge to Evolve app icon

    Cow Evolution: Merge to Evolve

    TPG TECNOLOGIA DA INFORMACAO LTDA

    Cows, collect resources, upgrade farm

    Manage a farm by merging cows to create mutated creatures. Collect coins and crystals to upgrade equipment and customize animals. Build and expand your animal farm with various species and special items.

    ★ 4.723,320 ratingsGamesFreeData updated 2026-09-09
  8. Rush Defense: idle TD app icon

    Rush Defense: idle TD

    HONG KONG BASIC TECHNOLOGY LIMITED

    Defend waves with enchanted axe

    Play a tower defense game where you place towers and cast spells to defeat waves of enemies. Upgrade towers, unlock abilities, and find relics to enhance your character. Defend against fantasy creatures in an progression system.

    ★ 4.9467 ratingsGamesFreeData updated 2026-09-06
  9. Anna's Monster Farm : BEGINS app icon

    Anna's Monster Farm : BEGINS

    ZZOO Inc.

    Raise monsters, customize farms, seize land

    Raise monsters on a and engage in battles against humans. Customize layout, breed and grow various characters, and expand territory by seizing human land. Manage resources, upgrade facilities, and participate in farming and combat activities.

    ★ 4.81,101 ratingsGamesFreeData updated 2026-09-06
  10. Magic Tower - 50 & 24 Floors app icon

    Magic Tower - 50 & 24 Floors

    ShenZhen QW Game

    Fight monsters, gain stats, level up

    Play a turn-based dungeon game where players defeat monsters by calculating damage based on attack, defense, and life stats. Collect gold coins and experience to level up. Unlock new levels and improve character attributes.

    ★ 4.9554 ratingsGamesFreeData updated 2026-09-21
  11. 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.

    ★ 4.867,654 ratingsGamesFreeData updated 2026-09-14
  12. Merge Kingdoms - Tower Defense app icon

    Merge Kingdoms - Tower Defense

    FunCraft, Inc

    Towers, strategize placements, progress endlessly

    Play games with idle progression mechanics. Combine towers for upgrades and strategize placements. Face unlimited enemy waves including 35+ types like Necromancer and Ice Dragon. Manage resources and unlock new abilities through progression.

    ★ 4.81,946 ratingsGamesFreeData updated 2026-09-06
  13. Soul Knight app icon

    Soul Knight

    泽阳 李

    Retrieve the magical stone and shoot alien

    Shoot alien minions in a sci-fi shooter with intuitive controls and smooth gameplay. Retrieve the magical stone by battling enemies in rogue-like levels. Unlock weapons and upgrade abilities between runs.

    ★ 4.8126,589 ratingsGamesFreeData updated 2026-09-12
  14. Tower Defense: Lazy Apocalypse app icon

    Tower Defense: Lazy Apocalypse

    ITPINI OU

    Defend waves, upgrade weapons, stream gameplay

    Defend against zombie waves using towers and upgrades. Automatically generate resources while idle. Customize weapons and defenses. Stream gameplay and compete for top streamer status. Track progress and unlock new content through upgrades.

    ★ 4.92,083 ratingsGamesFreeData updated 2026-09-06

How we rank alternatives

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