193+ iOS apps & games curated and reviewed
Fortress Under Siege is the household name in castle siege, but it's far from the only option. We track 193+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (339) | No | Yes | Jul 2026 |
| 2 |  | Free | 4.5★ (225K) | Yes | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (11K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.6★ (3.8K) | Yes | Yes | Jul 2026 |
| 5 |  | Free | 4.7★ (13K) | Yes | Yes | Jul 2026 |
| 6 |  | Free | 4.6★ (41K) | Yes | Yes | Jul 2026 |
| 7 |  | Free | 4.4★ (2.3K) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.7★ (3.5K) | No | Yes | Jul 2026 |
Defend your kingdom from invading hordes by training soldiers, building fortifications, and strategically deploying units. Engage in epic campaigns, survive intense challenges, and save the rightful heir to the throne in this medieval castle defense game.
Unleash your inner demolitions expert and find cathartic release by destroying intricate castles with cannons. This game offers a satisfying way to de-stress and enjoy the simple pleasure of watching structures crumble.
Engage in satisfying structural destruction using a powerful trebuchet. Hurl projectiles to topple castles, defeat enemies, and reclaim your kingdom. Unlock special ammunition for even more explosive fun.
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.
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.
Lead your forces to victory by building your army and strategic bases. Collect resources to upgrade your units and equipment, then launch attacks to capture the enemy's flag. Test your strategic skills in this addictive conquest game.
Build and defend a medieval empire in this grand strategy MMO. Engage in political intrigue, wage war, research technology, and forge alliances to lead your faction to glory. Play with millions of players across different platforms.
Lead an alliance in a medieval world where firearms are rising. Build your castle, train residents, and engage in real-time combat to fight against the old empire. Enjoy casual tower defense and strategic map control.
Build a thriving empire from ancient times to the modern era. Command armies, research technologies, and engage in real-time strategy battles against other players. Conquer the world through warfare and strategic development.
Launch projectiles from a trebuchet to destroy castles and their inhabitants. Aim for glory by shattering intricately balanced structures and flattening armies. Offers over 100 levels, unlockable skins, and a variety of ammo types for medieval destruction fun.
Build a formidable kingdom, design deadly defenses, and lead your army into strategic battles. Raid other players' bases, upgrade your king's gear, and forge alliances to dominate in this action-packed MMO strategy game.
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.
Build a medieval fantasy empire from humble beginnings. Command armies in real-time battles, raise dragons, and forge alliances to conquer vast lands. Customize your kingdom and lead heroes in an expansive open world.
Build and manage a medieval kingdom, balancing farming, crafting, and construction with military conquest. Recruit and upgrade soldiers, raid enemy castles, and develop your empire to become a prosperous and fearsome ruler.
Engage in strategic castle defense using a bow and arrow. Select specialized arrows to target various enemies, testing both your aiming prowess and tactical decision-making. Upgrade your gear and skills to overcome increasingly formidable foes and protect your kingdom.
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.
Engage in real-time, nation-vs-nation medieval warfare. Rebuild your devastated town, train troops, recruit heroes, and forge alliances to conquer the world. The choice to befriend or plunder is yours in this massive multiplayer strategy game.
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.
Build and upgrade your army to storm castles in this fun and addictive game. Strategize your formations and weapons to defeat opposing armies and conquer increasingly challenging levels.