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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

Defend your castle from waves of enemies by strategically placing heroes and archers. Upgrade your defenses and recruit over 80 unique heroes, each with special skills, to create powerful combinations and climb the global rankings.

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

Control your army by cutting grass and conquer enemy castles. Engage in interactive battles with impressive 3D graphics and strategically upgrade your forces to dominate the battlefield. Experience a unique blend of strategy and action.

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 UG (haftungsbeschraenkt)

Upgrade and defend your base
Worth Considering
๐ŸŽฎ Games
4.7๐Ÿ˜Š(1.1K 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

Engage in fast-paced castle defense with strategic upgrades and skill. Defend your base against endless monster waves, gather resources, and combine a vast array of weapons, spells, and traps to become stronger. Compete with others and play offline.

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

Engage in fast-paced, real-time PvP castle battles where every action impacts the outcome. Strategically draft units, fortify your stronghold, and outmaneuver opponents in destructible arenas. Victory is achieved by eliminating all enemy units or demolishing their castle.

Real-time 1v1 PvP matchesFully destructible castlesDraft up to 4 unique units
๐ŸŽฎ Games
(44K)
free with in-app purchases
5
Wild Castle: Tower Defense TD
Wild Castle: Tower Defense TD
Wild Castle: Tower Defense TD
3D Offline Strategy TD
Free

Build and defend your castle from endless monster waves in this offline strategy game. Forge gear, upgrade your kingdom, and recruit heroes with unique abilities to survive over 10,000 levels. Compete on leaderboards and advance your defenses.

Castle building and kingdom growthOffline tower defense gameplayOver 60 unique hero classes
๐ŸŽฎ Games
(4K)
free with in-app purchases
6
Rush Royale: Tower Defense RPG
Rush Royale: Tower Defense RPG
Rush Royale: Tower Defense RPG
PvP Card battleใƒปMerge Strategy
Free

Collect and merge units to build a powerful deck for strategic base defense. Engage in PvP battles or team up with friends in Co-Op mode to conquer enemies and earn rewards. Master unique unit abilities and faction synergies to prevail.

Unit collection and mergingDeck building for base defensePvP battles with trophies
๐ŸŽฎ Games
(94K)
free with in-app purchases
7
Defender II
Defender II
Defender II
by DROIDHEN LIMITED
Free

Defend your castle from relentless waves of monsters using a variety of magical spells and defensive structures. Upgrade your city wall, manage mana, and equip powerful bows to repel invaders and defeat bosses. Compete globally in battle mode.

Shoot arrowsCast spellsLava moat defense
๐ŸŽฎ Games
(1.1K)
free with in-app purchases
8
Grow Empire: Rome
Grow Empire: Rome
Grow Empire: Rome
Tower Defense war game
Free

Lead the Roman Republic to glory in this strategy game blending tower defense and RPG elements. Conquer ancient Europe by building your army, upgrading your stronghold, and defeating barbarian clans. Experience epic battles and expand your empire.

Tower Defense, Strategy, and RPG mechanicsOver 1500 waves to survive120+ cities to conquer
๐ŸŽฎ Games
(13K)
free with in-app purchases
9
Royal Castle!
Royal Castle!
Royal Castle!
Protect Your Castle!
Free

Defend your castle from incoming attacks by strategically deploying powerful weapons. Combine boosters to create unique destructive tools and build a formidable army to ensure your stronghold's safety.

Castle defenseWeapon customizationBooster combinations
๐ŸŽฎ Games
(1.5K)
free with in-app purchases
10
Nightfall: Kingdom Frontier TD
Nightfall: Kingdom Frontier TD
Nightfall: Kingdom Frontier TD
Build, Defend and Conquer!
Free

Build and defend your kingdom in this strategy tower defense game. Construct defenses and manage resources during the day, then lead your troops against enemy waves at night. Engage in thrilling combat, upgrade your forces, and challenge other players.

Kingdom building and defenseDay/night cycle gameplayStrategic resource allocation
๐ŸŽฎ Games
(7.1K)
free with in-app purchases
11
Tactical War: Tower Defense
Tactical War: Tower Defense
Tactical War: Tower Defense
Protect your base!
Free

Engage in a challenging tower defense experience where strategic planning is crucial to protect your base. Utilize special towers, unique abilities, and environmental destruction to overcome enemy hordes across 20 balanced levels. This game demands careful thought and decisive action to succeed.

Special "gray" art style5 upgradeable tower typesTeleport and mine abilities
๐ŸŽฎ Games
(3.6K)
free with in-app purchases
12
Realm Defense: Hero Legends TD
Realm Defense: Hero Legends TD
Realm Defense: Hero Legends TD
Tower Defense Strategy Game
Free

Engage in real-time kingdom defense, battling invaders with fantasy heroes and powerful towers. Overcome hundreds of levels across diverse worlds, upgrading your defenses and recruiting legendary champions to save the realm.

Over 300 levels with various gameplay modesMultiple worlds and realms with unique towersPowerful heroes with unique abilities
๐ŸŽฎ Games
(14K)
free with in-app purchases
13
Castle Creeps TD
Castle Creeps TD
Castle Creeps TD
"Best Strategy Game of 2017"
Free

Lead your troops to victory in this fantasy tower defense game. Build, upgrade, and repair towers to defend against waves of enemies. Recruit and level up heroes to aid in your defense and save the kingdom.

Build, upgrade, and repair towersRecruit and level up heroesStrategic on-the-fly combat
๐ŸŽฎ Games
(8.4K)
free with in-app purchases
14
Outdo.io
Outdo.io
Outdo.io
Be the biggest castle and win!
Free

Build and upgrade your castle by collecting bricks. Deploy archers to defend your territory and become the last one standing in this fun, easy-to-control game.

Easy controlsFun gameplayCollect bricks
๐ŸŽฎ Games
(7.1K)
free with in-app purchases
15
The Catapult 2: Castle defense
The Catapult 2: Castle defense
The Catapult 2: Castle defense
Crush! Stick man defence games
Free

Defend your castle from relentless enemy attacks using catapults and strategic tower placement. Engage in various game modes, from single-player campaigns to intense PvP battles, to become a legendary defense master.

Catapult shooting mechanicsTower defense strategyMultiple game modes (2 Player, Company, Endless, PvP)
๐ŸŽฎ Games
(3.6K)
free with in-app purchases
16
Days Bygone: Castle Defense
Days Bygone: Castle Defense
Days Bygone: Castle Defense
Grow, Defend, Survive!
Free

Defend your castle against relentless enemy waves that grow stronger each day. Upgrade defenses, discover weapons, and recruit heroes to survive in this endless castle defense game. Progress continues even when you're offline.

Endless defense levelsCastle growth and upgradesIdle/Offline gains
๐ŸŽฎ Games
(2.4K)
free with in-app purchases
17
Castle Destructor
Castle Destructor
Castle Destructor
Crush castles, destroy towers!
Free

Launch projectiles from your mobile device to strategically demolish castles and towers. Progress through levels, unlock new weapons, and compete for rankings in this addictive physics-based destruction game.

Strategic castle destructionUnlock new weapons and bombsProgress through multiple levels
๐ŸŽฎ Games
(36)
free with in-app purchases
18
Merge Tactics: Castle Defense
Merge Tactics: Castle Defense
Merge Tactics: Castle Defense
Merge TD - Block the Invaders
Free

This tower defense game challenges players to strategically place and merge blocks to create powerful units. Build diverse decks and expand your territory to fend off waves of invaders, while growing your castle and characters for enhanced skills and rewards.

Strategic block placementMerge blocks into powerful unitsCreate custom battle decks
๐ŸŽฎ Games
(889)
free with in-app purchases
19
Castle Crumble
Castle Crumble
Castle Crumble
Creative destruction
Free

Embark on an adventure to conquer diverse kingdoms by strategically destroying castles. Utilize powerful explosives and mystical spells to crash forts from various historical and fantasy eras. Experience physics-based fun as you aim to win and become a hero.

Conquer diverse kingdomsStrategic castle destructionUtilize explosives and spells
๐ŸŽฎ Games
(30K)
free
20
Hero Castle Wars
Hero Castle Wars
Hero Castle Wars
by HWA DAVID
Free

Embark on a quest to defeat monsters, gather treasures, and rescue hostages from a perilous tower. Enhance your hero's power and skills to defend your stronghold. This engaging game offers endless entertainment anytime, anywhere.

Defeat monsters and enemiesCollect treasuresRescue hostages
๐ŸŽฎ Games
(48K)
free with in-app purchases