Combine units to create powerful defenses and upgrade your base to withstand endless waves of enemies. Strategic merging and base upgrades are key to survival in this challenging defense game.






247+ iOS apps & games curated and reviewed
Finding the right defender merge apps and games can be overwhelming with so many options. We've analyzed 247+ apps and games to bring you the best choices for 2026, from free options to premium solutions with advanced features.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (2) | Yes | Yes | Aug 2026 | |
| 2 | Free | 4.7★ (2.3K) | Yes | Yes | Aug 2026 | |
| 3 | Free | 4.6★ (10K) | Yes | Yes | Aug 2026 | |
| 4 | Free | — | Yes | Yes | May 2026 | |
| 5 | Free | 3.3★ (26) | No | Yes | Jul 2026 | |
| 6 | Free | — | Yes | No | May 2026 | |
| 7 | Free | — | Yes | Yes | May 2026 | |
| 8 | Free | — | Yes | No | May 2026 |






Combine units to create powerful defenses and upgrade your base to withstand endless waves of enemies. Strategic merging and base upgrades are key to survival in this challenging defense game.






Combine warriors to discover powerful mutants and build an ultimate army. Engage in strategic, fast-paced arena battles to crush rivals and become the Merge Master. Collect and upgrade rare monsters to evolve them into unstoppable forces.






Engage in strategic city defense by merging and upgrading buildings to fend off relentless enemy waves. This action-packed puzzle game challenges you to plan your moves carefully and use resources wisely to survive. Immerse yourself in exciting gameplay with stunning graphics and fast-paced action.




Engage in a strategic tower defense experience where you merge units to enhance their power and defend against advancing enemies. Collect resources to unlock upgrades and power-ups in this offline, turn-based challenge.








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 strategic tower defense experience that combines merge mechanics with action. Defend your castle by merging obstacles to enhance their power and unlock abilities. Explore new levels and strategies in this visually appealing game.


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.




Tap and merge identical numbers on colorful tiles to create larger numbers. This addictive puzzle game offers multiple modes, including arcade, endless, and timed challenges. Compete with others through Game Center integration.






Merge and upgrade various turrets to build a powerful defense against waves of monsters. Engage in exciting boss battles with intuitive, auto-attacking gameplay. This is a fun and simple idle merge game.