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Best Protect Castle Apps & Games

221+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated May 2026

Out of 221+ protect castle apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Protect Castle

Grow Castle!#1

Grow Castle! by YONG OK PARK

Editor's Choice
๐ŸŽฎ Games
4.5๐Ÿ˜Š(2.2K ratings)
FreeAdsIn-App Purchases
Grow Castle! screenshot 1
Grow Castle! screenshot 2
Grow Castle! screenshot 3

Protect the castle from enemy attacks in this defense game by strategically placing heroes and upgrades in the castle tower. With over 80 heroes each possessing unique skills, aim to clear higher levels and compete for top rankings globally.

What We Love

  • ๐Ÿ‘ Fun and addictive gameplay
  • ๐Ÿš€ Offline playability
  • ๐Ÿ’Ž Good free-to-play model with optional purchases
  • ๐Ÿ•น Simple yet engaging tower defense mechanics

Room to Improve

  • ๐Ÿ› Occasional bugs and glitches
  • ๐Ÿ•ฐ Slow progression without paying
  • ๐Ÿ” Lack of in-depth tutorials
Castle Raid!#2

Castle Raid! by Voodoo

Clash And Conquest!
Strong Contender
๐ŸŽฎ Games
4.4๐Ÿ˜ž(78K ratings)
FreeAdsIn-App Purchases
Castle Raid! screenshot 1
Castle Raid! screenshot 2
Castle Raid! screenshot 3
Castle Raid! screenshot 4
Castle Raid! screenshot 5

Command your army by cutting grass to conquer enemy territories and raid their castles in this interactive 3D strategy game. Upgrade your forces, engage in battles, and dominate the realm! Embark on your conquest now!

What We Love

  • โค๏ธ Good game
  • ๐ŸŽฎ Addictive and fun
  • ๐ŸŽจ Calming gameplay
  • ๐Ÿ‘ Great concept

Room to Improve

  • ๐Ÿงน Repetitive levels
  • ๐Ÿ’ฐ Too many ads
  • ๐Ÿ› Frequent crashes/freezes
Grim Defender: Castle Defense#3

Grim Defender: Castle Defense by BYTEGHOUL GAMES

Upgrade and defend your base
Worth Considering
๐ŸŽฎ Games
4.7๐Ÿ˜Š(1K ratings)
FreeAdsIn-App Purchases
Grim Defender: Castle Defense screenshot 1
Grim Defender: Castle Defense screenshot 2
Grim Defender: Castle Defense screenshot 3
Grim Defender: Castle Defense screenshot 4
Grim Defender: Castle Defense screenshot 5
Grim Defender: Castle Defense screenshot 6

Defend your castle against hordes of monsters using strategy and skill. Upgrade your defenses, combine weapons and spells, and compete in global leaderboards for the ultimate defense title! Play offline, join the action at https://www.grimdefender.com.

What We Love

  • ๐Ÿ‘ Simple and fun gameplay
  • ๐Ÿ•น๏ธ Satisfying progression and upgrades
  • ๐Ÿ’ฐ Generous free-to-play model
  • ๐Ÿ•ฐ๏ธ Great time-waster game

Room to Improve

  • ๐Ÿ” Dark gold is too rare to obtain
  • ๐Ÿ› Occasional crashes and bugs
  • ๐Ÿ”’ Account progress loss issues

More Protect Castle apps to explore

4
Castle Busters
Castle Busters
Castle Busters
Real-Time 1v1 PvP Brawl Arena
Free

Build and battle with your unique fortress in this fast-paced PvP game, where you'll fire projectiles, destroy enemy walls, and eliminate units to emerge victorious. Upgrade your troops, unlock new arenas, and climb the leaderboard in this intense and unpredictable experience.

๐ŸŽฎ Games
(36K)
5
Wild Castle: Tower Defense TD
Wild Castle: Tower Defense TD
Wild Castle: Tower Defense TD
3D Offline Strategy TD
Free

An immersive 3D offline strategy tower defense game where you build and defend your castle against relentless monster attacks. With over 60 hero classes, 20 treasures, and endless waves of challenges, grow your fortress to dominate the leaderboard and create your legend in this survival strategy game. Join now and forge your kingdom from the ground up!

๐ŸŽฎ Games
(263)
6
Rush Royale: Tower Defense RPG
Rush Royale: Tower Defense RPG
Rush Royale: Tower Defense RPG
PvP Card battleใƒปMerge Strategy
Free

Embark on a strategic tower defense journey in a realm of magic and clans with an array of powerful units and heroes. Conquer opponents in PvP battles, join forces in Co-Op mode, explore different factions, and engage in events and quests for unique rewards. Experience Rush Royale, the ultimate TD game!

๐ŸŽฎ Games
(94K)
7
Defender II
Defender II
Defender II
by DROIDHEN LIMITED
Free

Defender II is a castle defense game where waves of monsters attack, and players must strategically use magic spells, towers, and defenses to protect their castle. Download the app now to experience powerful gameplay and thrilling challenges!

๐ŸŽฎ Games
(1.1K)
8
Grow Empire: Rome
Grow Empire: Rome
Grow Empire: Rome
Tower Defense war game
Free

Embark on an epic journey through ancient Rome in this tower defense war game. Build your empire, recruit troops, conquer new lands, and face off against fierce enemy armies. Test your strategy with 1500 waves of gameplay and various upgrades and skills. Join the conquest and follow for more updates on social media.

๐ŸŽฎ Games
(13K)
9
Royal Castle!
Royal Castle!
Royal Castle!
Protect Your Castle!
Free

Protect your castle from attackers by utilizing powerful weapons, building a formidable army, and creating unique destructive weapons with countless booster combinations. Safeguard your fortress now!

๐ŸŽฎ Games
(1.5K)
10
Nightfall: Kingdom Frontier TD
Nightfall: Kingdom Frontier TD
Nightfall: Kingdom Frontier TD
Build, Defend and Conquer!
Free

Embark on a thrilling strategy adventure in a world of constant threat with this fast-paced tower defense game. Build, defend, and conquer in day and night battles, challenge other players, and prove your strategic prowess to become the ultimate ruler. If you are a fan of strategy games, download now and experience the epic saga of Nightfall: Kingdom Frontier TD for free.

๐ŸŽฎ Games
(1.6K)
11
Tactical War: Tower Defense
Tactical War: Tower Defense
Tactical War: Tower Defense
Protect your base!
Free

Put your strategic skills to the test in a challenging tower defense game! Defend your base against waves of enemies using unique towers, special abilities like "teleport" and "mine," and tactical landscape manipulation. With 20 balanced levels, plan your moves carefully to succeed.

๐ŸŽฎ Games
(3.6K)
12
Realm Defense: Hero Legends TD
Realm Defense: Hero Legends TD
Realm Defense: Hero Legends TD
Tower Defense Strategy Game
Free

An engaging tower defense strategy game where players defend realms using heroes like dragons and wizards. Features over 300 levels, different worlds with unique towers, powerful heroes with special abilities, epic boss battles, and a variety of enemies to conquer. Download now for a free and fun gaming experience!

๐ŸŽฎ Games
(14K)
13
Castle Creeps TD
Castle Creeps TD
Castle Creeps TD
"Best Strategy Game of 2017"
Free

"Lead troops to victory in a fantasy mobile Tower Defense game. Prepare your defenses to save the kingdom from fierce Warlords and colossal Ogres. Download now to experience award-winning strategy gameplay!"

๐ŸŽฎ Games
(8.4K)
14
Outdo.io
Outdo.io
Outdo.io
Be the biggest castle and win!
Free

Experience thrilling gameplay where you collect bricks to build and upgrade your castle while strategically deploying archers for defense. Embrace easy controls and strive to become the top castle to win! Join the adventure today!

๐ŸŽฎ Games
(7.1K)
15
The Catapult 2: Castle defense
The Catapult 2: Castle defense
The Catapult 2: Castle defense
Crush! Stick man defence games
Free

Protect your castle from various enemies using a catapult and a variety of weapons in this tower defense game. With multiple game modes and strategic gameplay, defend your tower and emerge as a legendary master. Start playing now!

๐ŸŽฎ Games
(3.6K)
16
Days Bygone: Castle Defense
Days Bygone: Castle Defense
Days Bygone: Castle Defense
Grow, Defend, Survive!
Free

Embark on an endless defense journey against escalating enemy attacks. Upgrade defenses, unlock weapons, and recruit heroes to fortify your castle in the battle for survival! Start defending now and see how long you can withstand the relentless waves of enemies!

๐ŸŽฎ Games
(2.4K)
17
Castle Destructor
Castle Destructor
Castle Destructor
Crush castles, destroy towers!
Free

Get ready to crush castles and destroy towers in this addictive mobile game, where you can choose your strategy, unlock new weapons, and progress through multiple levels to become the champion. Play now and take down enemy castles with different bombs and catapults, and enjoy a variety of features and game mechanics to keep you engaged.

๐ŸŽฎ Games
(36)
18
Merge Tactics: Castle Defense
Merge Tactics: Castle Defense
Merge Tactics: Castle Defense
Merge TD - Block the Invaders
Free

Experience a unique tower defense game where you create battle decks, combine blocks for powerful units, collect various types of blocks, and grow your castle and characters using gold and artifacts from battles. Try out different fighting styles in this brand new TD game!

๐ŸŽฎ Games
(889)
19
Castle Crumble
Castle Crumble
Castle Crumble
Creative destruction
Free

Embark on a conquest in various kingdoms to demolish castles using explosives and spells in an adventurous gameplay experience. Strategize, explore unique realms, and have a blast with physics-based fun. Conquer kingdoms with your tactics in Castle Crumble!

๐ŸŽฎ Games
(30K)
20
Hero Castle Wars
Hero Castle Wars
Hero Castle Wars
by HWA DAVID
Free

Defeat monsters, save hostages, and collect treasures in this action-packed tower defense game. Increase your power, sharpen your skills, and reign as the ultimate hero. Join the battle now and become the champion of Hero Castle Wars! Feedback: [Facebook Page](https://www.facebook.com/tutappgames)

๐ŸŽฎ Games
(47K)

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