239+ iOS apps & games curated and reviewed
The best merge tower defense 3d apps and games on iPhone average 4.4★ across 239+ titles — we've ranked them by what real users actually keep on their phones. Updated August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | Yes | Yes | May 2026 |
| 2 |  | Free | 3.7★ (1.1K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (14K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (16K) | Yes | No | Aug 2026 |
| 5 |  | Free | 4.7★ (852) | Yes | Yes | Aug 2026 |
| 6 |  | Free | — | No | No | Aug 2026 |
| 7 |  | Free | 4.7★ (1.5K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.7★ (891) | Yes | Yes | Aug 2026 |
Merge and defend your kingdom against a horde of monsters using strategic tower defense gameplay. Unlock and combine over 30 unique characters to create powerful heroes and overcome challenging boss fights. Enjoy top-notch graphics and sound in this relaxing yet exciting game.
A turn-based tower defense game where players strategically place and merge defenders to fend off advancing enemy blocks. It offers offline play and a challenging puzzle experience for a daring mind.
Engage in strategic tower defense battles by collecting, merging, and upgrading unique towers. Defend your kingdom against waves of enemies and epic bosses in both solo and multiplayer modes. Master deck building and tactical deployment to outwit opponents.
Engage in an intense shooting and strategy game where you merge defensive towers to repel waves of monsters, orcs, and aliens. Develop tactical formations and upgrade your war machines to protect your base and survive challenging boss attacks.
Merge weapons to power up your army and defend your land in this 3D tower defense strategy game. Combine merge, clicker, and idle gameplay to defeat enemies and bosses. Unlock heroes and battle other players for rewards.
Merge and upgrade towers to defend your realm against waves of monsters. This game offers simple, engaging gameplay with strategic depth for countless challenges. Enjoy stunning graphics and lively sound in this free-to-play tower defense experience.
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.
Engage in a unique tower defense experience with idle progression. Combine towers to enhance their power and strategically place them to overcome thousands of enemy waves. Unlock new abilities and power-ups to conquer increasingly challenging stages and bosses.
Engage in an addictive tower defense experience where you merge cannons to create powerful upgrades. Strategically position your enhanced defenses to repel waves of cube enemies and formidable bosses.
Merge combat and defense components to reinforce your castle against nightly dragon invasions. Synthesize identical objects to create more advanced defenses and collect treasure chests for extra moves. Protect your castle walls from dragon attacks in this offline-ready game.
A simple tower defense game where you drag and merge towers to level them up. Defend your gem from enemies and bosses with increasingly powerful defenses. Test your tactical skills in this classic genre.
Engage in a strategic merge and tower defense game where you merge towers, shoot paint bubbles, and defend against bosses. Progress through increasingly challenging levels with stunning graphics and collect various paintball guns to aid your defense.
Build, upgrade, and merge towers to create an impenetrable defense against waves of enemies. Conquer over 10 maps with diverse challenges and compete with friends on leaderboards. Immerse yourself in a visually stunning world with vivid sound effects.
Strategically place and upgrade various towers to defend your home against endless waves of enemies. Adapt your tactics to diverse enemy types and challenging map layouts to emerge victorious.
Defend diverse realms with unique hazards and enemy waves. Build and upgrade a variety of towers, command a hero unit, and cast powerful spells to overcome legendary bosses. Choose between campaign or endless modes for strategic gameplay.
This match-3 puzzle game combines strategic tower defense with a medieval theme. Match three stones to create towers and defend your castle from incoming dragons. Enjoy instant play with no signup and offline capabilities.
Engage in strategic battles by merging and upgrading weapons to defend your room from waves of monsters. Command your defenses and defeat enemies in this intense tower defense experience.
Engage in a 3D tower defense game where you merge and upgrade heroes to strengthen your castle's defenses. Employ diverse strategies in a rogue-lite adventure to survive against all odds.