201+ iOS apps & games curated and reviewed
Looking for free mothership idle tower defense apps and games? 20 of our 201+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (4) | Yes | Yes | May 2026 |
| 2 |  | Free | 4.8★ (1.8K) | Yes | Yes | Aug 2026 |
| 3 |  | Free | 4.8★ (9K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (42K) | Yes | Yes | Aug 2026 |
| 5 |  | Free | 4.3★ (1.9K) | Yes | Yes | Aug 2026 |
| 6 |  | Free | 4.7★ (833) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.6★ (2.5K) | Yes | Yes | Aug 2026 |
| 8 |  | Free | 4.3★ (548) | Yes | Yes | Aug 2026 |
Engage in a roguelike tower defense experience set in space. Collect unique upgrades and power-ups to customize your ships and advance through challenging enemy waves. Enjoy a minimalistic design with intuitive controls for a relaxing yet strategic gameplay session.
Engage in real-time strategy to defend your base against relentless enemy waves. Build, upgrade, and deploy a variety of units with precise timing to survive epic battles in space. Master strategic decisions to overcome increasingly difficult challenges.
Defend Earth from alien invaders in this idle tower defense game. Build diverse turrets, strategize your defense, and power up your character with unique skills and weapons. Collect resources and take on global challenges to protect the planet.
Command adorable Slimes in an epic idle RPG adventure. Collect loot, evolve heroes, and conquer stages through auto-battles, even offline. Rally your clan to defend your homeland in endless battles for rewards and glory.
Embark on a strategic idle RPG adventure with over 500 heroes from six distinct camps. Collect resources, adjust your lineup, and battle powerful bosses and global players. Enjoy a classic vertical gameplay experience with easy, labor-saving mechanics.
Build and defend your farm in this strategic game. Manage resources, deploy a dynamic sprinkler system, and face challenging enemy waves. Upgrade your defenses and reroll for powerful builds to become the ultimate Harvest King.
Defend your home planet in this roguelike tower defense game. Build and upgrade defenses to fend off alien invaders. Experience deep strategy with unique playthroughs and unlockable sentinels.
Engage in an ASMR-infused RPG shooter where you cut through hordes of enemies with satisfying bullet mechanics. Defend your heroes and conquer waves of foes in this action-packed game.
Command a galactic defense to protect your space tower from alien invaders. Strategically upgrade your tower's abilities and weapons to withstand relentless waves of enemies and defeat powerful bosses. Enjoy idle gameplay with ample rewards, even while offline.
Defeat waves of aliens to gain resources and power up your neon towers. This offline sci-fi tower defense game features incremental upgrades and automatic combat, even when you're not playing. Master alien invasion strategies to push deeper into the galaxy.
Engage in real-time PvP card battles where strategic deck building and tactical unit placement are key to victory. Merge units to enhance their power and utilize unique Battle Boosts to overcome opponents in this magical tower defense game.
Engage in a tactical tower defense battle against waves of zombies. Strategically place defenses, cast powerful spells, and upgrade your hero to survive endless enemy assaults. Enjoy offline gameplay with challenging boss battles.
Assemble a team of legendary heroes, upgrade their abilities, and engage in strategic battles against enemies and bosses. Explore diverse game modes, including PvP arenas, PvE dungeons, and guild wars, to conquer the land and claim victory.
Defend your sheep from alien invaders in this classic 3D tower defense strategy game. Deploy a variety of upgradeable weapons and think fast to survive over 100 maps and endless waves of enemies. Compete with friends on global leaderboards.
Defend your homeland from waves of evil robots by strategically deploying and upgrading a variety of powerful weapons. Explore diverse landscapes and adapt your tactics to overcome increasingly challenging robotic invaders in this exhilarating tower defense game.
Defend your home planet from an alien invasion in this unique tower defense strategy game. Instead of building towers, you'll destroy enemy structures using a variety of military units and upgrades. Engage in seamless battles with growing difficulty and diverse enemies.
Build a thriving business empire by constructing and upgrading production facilities. Spin a fortune wheel for coins and prizes, and raid rivals to expand your domain. Compete globally and with friends in this engaging idle tycoon adventure.
Engage in an idle tower defense adventure against zombie waves. Upgrade weapons and defenses to protect your base and survive the apocalypse. The action continues even when you're offline, with continuous rewards and progress.
Tap to gather matter and create interstellar objects, from particles to galaxies. Objects automatically generate more matter, allowing for endless universe expansion. Unlock divine powers, upgrade objects, and utilize special abilities to grow your cosmic creation.
Defend Earth through the ages using modern weapons and historical allies against alien invaders. Strategize with diverse towers, upgrades, and unique historical figures across 125 maps. Experience a revolutionary flying platform mini-game and endless progression.