241+ iOS apps & games curated and reviewed
Castle Defense Online is the household name in defence online, but it's far from the only option. We track 241+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (100) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 2.8★ (175) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.4★ (2.1K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 2.0★ (2) | No | No | Jul 2026 |
| 5 |  | Free | 5.0★ (9) | No | Yes | Jul 2026 |
| 6 |  | Free | 3.3★ (6) | No | No | May 2026 |
| 7 |  | Free | 4.7★ (9.8K) | No | Yes | Aug 2026 |
| 8 |  | Free | 4.6★ (63) | Yes | Yes | Aug 2026 |
Engage in real-time cooperative defense against waves of enemies. Strategically build towers, collect unique characters and items, and team up with friends to overcome challenging bosses and protect your castle.
Engage in a strategic tower defense game where you command plants to defend your homeland or bugs to attack enemy territories. Features real-time online battles, a vast collection of unique plants and bugs to train, and numerous challenging levels.
Engage in real-time global strategy battles in a fantasy world. Develop your city, train troops, form alliances, and conquer with allies. Features include 3D graphics, unique heroes, and a Guardian Dragon.
Manage your driving school schedule, including upcoming drives, observations, and classes. Access training materials and book your next lesson.
Access online Brazilian Jiu-Jitsu training programs and courses aligned with Gracie Barra's teaching methodology. Learn from renowned instructors and follow weekly topics taught in GB schools worldwide. Offers free courses and a subscription for comprehensive programs.
Defend your castle from relentless waves of evil enemies in this classic tower defense game. Strategically deploy various towers and utilize special weapons to protect your land and people. Explore multiple challenging maps across different worlds.
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.
Build a powerful deck of unique towers to defend your castle against waves of enemies. Compete against other players in real-time PvP battles or team up for cooperative defense. Strategize, upgrade, and climb the leaderboards to earn trophies and rewards.
Defend your base against relentless enemy waves in this action-packed tower defense game. Strategically build defenses, deploy troops, and upgrade your arsenal to survive intense battles across diverse terrains. Conquer new war-torn locations and claim spoils of war.
Survive a zombie apocalypse in a devastated city. Scavenge for resources, build shelters, craft weapons, and team up with or fight against other players. Investigate the infection's cause and explore dangerous zones.
Defend a magical continent by rebuilding cities, commanding heroes with dragon-forged abilities, and strategically placing towers. Engage in real-time battles against monster waves and team up for epic co-op sieges.
Engage in a strategic tower defense game where you merge potions to upgrade their levels and types. Battle opponents in PvP or team up with allies in cooperative modes to defend against waves of enemies. Enjoy simple yet engaging gameplay perfect for quick sessions.
Experience classic tank battles with friends in a modern online multiplayer setting. Explore large maps, upgrade your tank to level 9, and engage in strategic combat. Relive the nostalgia of old-school tank games with enhanced features.
Engage in strategic online battles with players worldwide. Choose your race and arsenal to defend your castle or attack enemies. Improve your skills, unlock unique skins, and compete with friends in various game modes.
Defend your territory from hordes of zombies by strategically deploying troops and launching attacks. Unlock upgrades, skills, and new units to build a stronger army and reclaim the land. This strategy game offers engaging gameplay for players.
Engage in thrilling tower defense battles with a unique dice-based strategy. Collect and upgrade magical totems to defend your territory against monsters and bosses. Compete against players worldwide in real-time PvP or team up in co-op modes.
Learn self-defense techniques designed specifically for women with expert instruction from renowned MMA athletes. Access on-demand video lessons or join live training sessions from any location.
Engage in fast-paced real-time strategy battles against other players. Customize your army with a variety of units and lead them with unique commanders to outwit your opponents and achieve victory in competitive PvP matches.
Access a vast library of high-quality Brazilian Jiu-Jitsu instructional videos taught by a world champion. Offers personalized training plans and regular content updates to help practitioners of all levels improve their skills.