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Best Monster Defense App

186+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated June 2026

Finding the right monster defense app app can be overwhelming with so many options. We've analyzed 186+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Monster Defense App

Crazy Defense Heroes: RPG TD#1

Crazy Defense Heroes: RPG TD by Animoca Brands Limited

Tower Defense Strategy Game
Editor's Choice
🎮 Games
4.8😐(8.1K ratings)
FreeAdsIn-App Purchases
Crazy Defense Heroes: RPG TD screenshot 1
Crazy Defense Heroes: RPG TD screenshot 2
Crazy Defense Heroes: RPG TD screenshot 3
Crazy Defense Heroes: RPG TD screenshot 4
Crazy Defense Heroes: RPG TD screenshot 5
Crazy Defense Heroes: RPG TD screenshot 6

Embark on an epic tower defense adventure in a realm filled with minotaurs, dragons, and more in this strategic game. Customize your hero, build powerful clans, and lead your army to victory with over 400 cards and various tower defense strategies. Join the battle now!

What We Love

  • 👍 Simple and easy to play
  • 🚀 Can be played offline
  • 🎨 Nice art style and animations
  • 🤑 Can progress without spending money

Room to Improve

  • 🕰️ Slow energy regeneration
  • 🎲 Low drop rates for good cards
  • 💰 Expensive microtransactions
Summoner's Greed Tower Defense#2

Summoner's Greed Tower Defense by PIXIO LIMITED

Summon Monsters & Defend Base
Strong Contender
🎮 Games
4.9😊(127K ratings)
FreeAdsIn-App Purchases
Summoner's Greed Tower Defense screenshot 1
Summoner's Greed Tower Defense screenshot 2
Summoner's Greed Tower Defense screenshot 3
Summoner's Greed Tower Defense screenshot 4
Summoner's Greed Tower Defense screenshot 5
Summoner's Greed Tower Defense screenshot 6

A tower defense game where you, as a powerful summoner, defend your stolen treasure from the King's army of heroes by strategically placing towers and casting spells. Will you be able to protect your loot from the relentless onslaught? Summon monsters now and prove your worth!

What We Love

  • 🚀 Addictive and fun gameplay
  • 👍 Charming and unique visuals
  • 🔓 No forced ads or in-app purchases
  • 💰 Generous rewards for idle playtime

Room to Improve

  • 🐢 Slow progression and wave clearing
  • 🔁 Repetitive gameplay and lack of variety
  • 🤕 Difficulty spikes can feel unfair
Merge Plants - Monster Defense#3

Merge Plants - Monster Defense by ABI GLOBAL LTD.

Grow plants to attack Zombies
Worth Considering
🎮 Games
4.4😞(2K ratings)
FreeAdsIn-App Purchases
Merge Plants - Monster Defense screenshot 1
Merge Plants - Monster Defense screenshot 2
Merge Plants - Monster Defense screenshot 3
Merge Plants - Monster Defense screenshot 4
Merge Plants - Monster Defense screenshot 5

Grow and merge plants to defend your garden against attacking Zombies in this engaging and easy-to-play game. Strategically merge plants, power up attacks, and defend your garden by growing seeds quickly. Keep the monsters at bay and enjoy the fun of defending your garden against hilarious Zombie-zombi!

What We Love

  • 🚀 Fast gameplay
  • 👍 Addictive and fun
  • 💡 Unique merge mechanic

Room to Improve

  • 🔥 Excessive ads
  • 🐛 Glitches and bugs
  • 👎 Repetitive plants and zombies

More Monster Defense App apps to explore

4
Monster House - Horror Defense
Monster House - Horror Defense
Monster House - Horror Defense
Monster House
Free

In this defense game, strategically place traps and monsters in houses to fend off enemies. Earn rewards by upgrading obstacles and enjoy the immersive gameplay of combining different trap types and monster strengths. Challenge yourself in World Map Mode for more excitement!

🎮 Games
(25K)
5
Dice vs Monsters: Roguelike TD
Dice vs Monsters: Roguelike TD
Dice vs Monsters: Roguelike TD
Tower Defense action awaits!
Free

"Dice vs Monsters" is a thrilling mobile game combining strategy, luck, and fantasy in battles against monsters. Choose heroes represented by dice, like mage or archer, strategize attacks, unlock new heroes, upgrade abilities, and collect artifacts to defeat the horde and emerge victorious. Roll the perfect heroes' combination to save the realm!

🎮 Games
(11K)
6
Cell Survivor - Shoot Defense
Cell Survivor - Shoot Defense
Cell Survivor - Shoot Defense
Idle Guard Games with Battle
Free

Get ready for an exhilarating cell defense adventure where you lead your cells to become invincible defenders, defeating enemies and upgrading your abilities to create a unique combat style. Challenge the unknown, defeat the boss, and unlock surprise rewards in this thrilling idle game.

🎮 Games
(14K)
7
Monster Legends - Battle Game
Monster Legends - Battle Game
Monster Legends - Battle Game
Fight beasts in mobile battles
Free

A captivating breeding RPG game where players collect and merge monsters to build powerful teams for battle. Join the adventure now!

🎮 Games
(544K)
8
Mobile Royale: Kingdom Defense
Mobile Royale: Kingdom Defense
Mobile Royale: Kingdom Defense
Online MMO & RPG Battle Games
Free

Experience epic battles, build a powerful kingdom, and forge alliances in a vast multiplayer online world where strategy is key. Join now to conquer realms and dominate in Mobile Royale: Kingdom Defense!

🎮 Games
(2.1K)
9
The Creeps! Tower Defense
The Creeps! Tower Defense
The Creeps! Tower Defense
by Super Squawk Software LLC
Free

Experience thrilling gameplay as you battle a variety of creatures from Ghosts to Aliens using toy blasters, glue bottles, flashlights, and more. Summon reinforcements like a giant spider or a UFO to aid you in this epic fight against the Creeps!

🎮 Games
(299)
10
GODZILLA BATTLE LINE
GODZILLA BATTLE LINE
GODZILLA BATTLE LINE
monster all-star battles
Free

Experience epic monster battles with popular Godzilla characters in real-time PvP matches with over 3.5 million downloads worldwide. Build your ultimate team, strategize, and conquer opponents to climb the ranks for special rewards! Join the battle now and unleash the monsters!

🎮 Games
(27K)
11
Fortress Merge
Fortress Merge
Fortress Merge
Roguelike City Defend Game
Free

Get ready for an action-packed puzzle-merge game where you'll merge and upgrade buildings, strategically plan your defense, and outsmart enemies in a race against time. Can you survive the onslaught and protect your home?

🎮 Games
(1.1K)
12
Swamp Attack
Swamp Attack
Swamp Attack
Defend. Survive. Attack!
Free

Defend your swamp against invading monsters using a variety of weapons like dynamite and flamethrowers! Strategize, shoot, and survive in this action-packed tower defense game. Download now to beat the monsters and protect your home!

🎮 Games
(34K)
13
Idle Monster TD: Tower Defense
Idle Monster TD: Tower Defense
Idle Monster TD: Tower Defense
Evolve Epic Monsters and Fight
Free

"Evolve over 120 unique monsters to defend against invading humans in this cute 3D fantasy RPG Tower Defense game. Strategically place monsters, unlock upgrades, and enjoy auto battling features for endless fun!"

🎮 Games
(805)
14
Idle Hero TD Tower Defense RPG
Idle Hero TD Tower Defense RPG
Idle Hero TD Tower Defense RPG
Monster Strategy Base Defender
Free

A dynamic tower defense RPG where players can strategically position heroes to defend against waves of enemies. Sharpen your tactics, level up your heroes, and conquer challenging levels to emerge victorious. Join the battle now and defend your kingdom against relentless foes!

🎮 Games
(61)
15
Idle Monster TD
Idle Monster TD
Idle Monster TD
Battle endless evil robots!
Free

Battle endless evil robots in this delightful tower defense game where you lead the United Monsters Alliance to protect your homeland. Discover and strategically place unique monsters with different elemental skills, participate in PvP tournaments, and enjoy endless gameplay with offline earnings in Idle Monster TD! Unlock monsters, strategize tower defense, join PvP tournaments, and enjoy endless gameplay in Idle Monster TD!

🎮 Games
(2.5K)
16
Monster Castle
Monster Castle
Monster Castle
Monster‘s Battle Royale
Free

Embark on an epic journey in a world of monsters and castles, strategically defending your castle against invaders to climb the leaderboards. Train dragons, join alliances, and engage in global PvP battles for supremacy. Download now for thrilling tower defense gameplay!

🎮 Games
(214)
17
Lucky Guy! Defense Game
Lucky Guy! Defense Game
Lucky Guy! Defense Game
Casual Survival Strategy Games
Free

Test your luck in an exhilarating game where enhancing your abilities can lead to hitting the jackpot. Challenge yourself against relentless foes to push your luck to the limits and become the ultimate lucky champion!

🎮 Games
(9.9K)
18
Idle Defense: Dark Forest
Idle Defense: Dark Forest
Idle Defense: Dark Forest
TD Strategy Game
Free

In a world of chaos, a banished wizard must defend his home using various towers and skills to protect against swarming monsters. Upgrade towers, unleash elemental skills, summon ancient demons, and embark on a strategic defense in this TD strategy game. Stay tuned for Idle Defense 2 for the latest updates!

🎮 Games
(2.5K)
19
Idle Archer Tower Defense RPG
Idle Archer Tower Defense RPG
Idle Archer Tower Defense RPG
Battle action, survive royale!
Free

Welcome to the world of a thrilling tower defense RPG! As a lone archer, defend your tower against waves of evil monsters, collect loot, upgrade your archer and tower strategically. Test your skills in this addictive and strategic idle game - protect your kingdom and fight back stronger each time!

🎮 Games
(8.4K)
20
Idle Fortress Tower Defense
Idle Fortress Tower Defense
Idle Fortress Tower Defense
Build your own Fortress.
Free

"Build a powerful fortress to defend against monsters, upgrade stats, discover new worlds, and simulate tower defense in this strategy game. Join the battle now and strengthen your Base each week for endless fun and challenges!"

🎮 Games
(1.6K)

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