190+ iOS apps & games curated and reviewed
The best ocean defense td apps on iPhone average 4.4★ across 190+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Defend your underwater coral reef from waves of human invaders in this fast-paced tower defense game. Deploy fish soldiers, strategically choose powerful upgrades each run, and unlock permanent enhancements to survive endless enemy assaults.
Build and upgrade a single tower to defend against waves of enemies in this incremental tower defense game. Make permanent upgrades, unlock new areas, and compete in tournaments. Enjoy addictive gameplay with a vast array of strategic choices.
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.
Engage in a wacky plant-merging tower defense game to battle zombie hordes. Merge adorable plant heroes to unlock new abilities, defend your garden, and team up with friends in co-op modes. Explore diverse gameplay with various challenges and unlock powerful mutant abilities.
Engage in an endless tower defense strategy experience, facing infinite enemy waves. Complete quests, upgrade towers with unique abilities, and utilize miners for resources. Create and share custom maps with music, and unlock a developer mode.
Lead a dark army to conquer new lands in this epic tower defense game. Train heroes, upgrade towers, and face challenging enemies and bosses across diverse realms. Enjoy hours of strategic gameplay with multiple difficulty levels and offline play.
Defend exotic lands from mythical creatures and underworld denizens in this challenging tower defense game. Build powerful towers with unique abilities, train legendary heroes, and strategize to overcome over 40 enemy types and merciless boss fights.
Build and upgrade towers, collect hundreds of cards, and command heroes to defend your kingdom. Engage in strategic battles against hordes of enemies across over 1,000 levels. Join forces with other players for epic clan quests and boss fights.
Engage in strategic defense by building and enhancing towers to protect your citadel. Analyze enemy attack patterns and adapt your tactics with a variety of powerful new weapons. This game offers a dynamic and exciting tower defense experience.
Engage in epic tower defense battles against orcs in a fantasy world. Explore a unique world map, manage your time, collect resources, and upgrade your cards and warriors to protect the empire. Participate in tournaments and survival arenas to prove your strategic prowess.
Engage in epic tower defense battles against invading forces. Strategically deploy snipers, rockets, and other units across diverse environments to protect your lands and freedom. Upgrade your troops and battle through numerous levels in this intense TD game.
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.
Command a naval war and defend your island base from enemy armies in this unique ocean-based tower defense game. Strategically place defensive structures and utilize a deadly arsenal of weapons to repel diverse threats. Experience deep strategy with upgradeable towers and varied environments across numerous campaign levels.
Engage in fast-paced tower defense combat with powerful vehicles and a vast arsenal of weapons. Defend your colony against hordes of enemies across diverse environments, customizing your strategy with tower upgrades and specializations. Recruit legendary generals and face challenging bosses to win any battle.
Defend Earth from alien invaders by strategically deploying and upgrading cannons and special weapons. This addictive game challenges your judgment and quick thinking to protect your bunker from increasingly powerful enemies.
Lead a dark army to conquer new lands in this epic tower defense game. Train heroes, upgrade towers, and unleash devastating combinations to defeat waves of enemies and powerful bosses. Explore diverse realms and overcome challenging stages with multiple difficulty options.
Engage in an intense offline tower defense strategy game. Combine towers for enhanced power, battle across diverse regions, and summon heroes to defend your stronghold against waves of enemies and epic bosses.
Engage in thrilling survival battles against endless enemy waves. Strategize with weapons, abilities, and gems to upgrade your character and overcome escalating challenges in a dynamic roguelike environment.
Engage in a challenging tower defense war against a cunning enemy. Deploy modern weapons, upgrade cannons, and utilize special skills to defend strategic bases across diverse terrains. This installment offers a maximum challenge with varied enemy attack strategies.
Experience intense tower defense battles with upgraded Ultra HD graphics and new strategic challenges. Defend against dark forces with an arsenal of powerful, unique weapons and tactics. Explore new maps and enjoy a realistic and engaging gameplay experience.