250+ iOS apps & games curated and reviewed
With an average user rating of 4.2★, the sphere td category is one of the App Store's strongest. Browse all 250+ apps and games we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (8) | Yes | Yes | Aug 2026 |
| 2 |  | Free | 4.6★ (5.2K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 2.6★ (16) | Yes | Yes | Jun 2026 |
| 4 |  | Free | 5.0★ (5) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.7★ (229) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.3★ (92) | No | Yes | May 2026 |
| 7 |  | Free | 4.7★ (98) | Yes | Yes | Aug 2026 |
| 8 |  | Free | — | Yes | No | May 2026 |
A complex tower defense game where you build and upgrade towers to defend against waves of spheres. Strategize with deep customization, resource management, and research to overcome challenges. Offers extensive replayability with numerous levels and modes.
Build and merge towers to defend a planet in this casual strategy game. Strategically deploy and upgrade your defenses to conquer alien worlds. Experience thrilling sci-fi battles with endless challenges.
Build defensive units to stop waves of air and river enemies from reaching your zone. Earn gold by destroying enemies to build and upgrade your towers for increased damage. Enjoy classic infinite tower defense gameplay.
Engage in thrilling tower defense battles on hundreds of unique maps. Compete in global tournaments, build towers anywhere to create strategic mazes, and outwit opponents to become the ultimate champion.
Design your own tower defense maze by strategically placing randomly generated tiles. Evolve over 35 unique monster tower types, equip them with gear, and unlock powerful upgrades to defend against diverse enemies. Enjoy endless replayability with dynamic base-building and multiple game modes.
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 real-time player-vs-player battles on a shared battlefield. Strategically build your deck of warriors and towers to attack and defend against your opponent. Reclaim your land in a vibrant magical world with visually stunning characters and maps.
This tower defense game challenges players to dig underground pathways and strategically place towers to defend their castle from enemy waves. It offers a unique twist on the genre by allowing players to shape the battlefield. Outsmart your foes with creative tactics and powerful upgrades.
Experience a unique twist on the tower defense genre with this strategic game. It challenges your assumptions about traditional TD gameplay, offering a fresh and engaging experience for players seeking something different.
Defend your lone tower against waves of AI enemies in this strategic roguelite tower defense game. Adapt your tactics, upgrade your tower's capabilities, and make critical choices to survive increasingly challenging battles. Each playthrough offers unique enemy waves and upgrade paths.
This game offers a unique tower defense experience where strategic depth comes from customizing towers with over 60 modules. Adapt your defenses to diverse enemies and challenging levels, as there's no single winning strategy.
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.
An incremental tower defense game that blends multiple genres for intense gameplay. Enjoy endless challenges with upgrades and boosts, all playable offline without ads.
Engage in a roguelike tower defense experience where you command a single tower against alien hordes. Strategize with skills, traits, and items to create powerful builds for victory. Humanity's last hope rests on your tactical prowess.
Defend a single tower against relentless waves of enemies in this roguelike strategy game. Earn scrap to upgrade your defenses, collect and fuse cards to build powerful decks, and permanently enhance your tower between runs. Face escalating challenges across multiple sectors with unique enemy types and wave mutations.
Strategically place and upgrade defensive towers to repel waves of enemies. This game features a variety of tower types and enemy behaviors, encouraging creative combinations for effective base protection.
Experience classic World War II tower defense with new assault and boss modes. This game offers engaging gameplay that can be enjoyed anytime, anywhere, with opportunities to unlock new levels and challenges.