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Best Tower Defense Planet Apps & Games

206+ iOS apps & games curated and reviewed

4.5 avg rating
20 free apps & games
Updated June 2026

Every iPhone needs a few good tower defense planet apps. We benchmark 206+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Tower Defense Planet

Galaxy Defense: Fortress TD#1

Galaxy Defense: Fortress TD by CYBERJOY LIMITED

Defend Planet, Beat Aliens!
Editor's Choice
🎮 Games
4.7😞(311 ratings)
FreeAdsIn-App Purchases
#79in Games
Galaxy Defense: Fortress TD screenshot 1
Galaxy Defense: Fortress TD screenshot 2
Galaxy Defense: Fortress TD screenshot 3
Galaxy Defense: Fortress TD screenshot 4
Galaxy Defense: Fortress TD screenshot 5
Galaxy Defense: Fortress TD screenshot 6

In this thrilling tower defense game, you are the commander of a fortress tasked with defending Earth from alien invaders. Strategically build and upgrade a variety of turrets, equip your character with powerful weapons, and team up with global players to resist the alien attacks and protect our planet.

What We Love

  • 🎮 Addictive gameplay
  • 🎨 Vibrant visuals
  • 🕹ī¸ Engaging tower defense mechanics

Room to Improve

  • 💰 Monetization issues
  • đŸ¤¯ Difficulty spikes
  • 🕰ī¸ Slow progression without spending
SpaceXYZ: Idle Tower Defense#2

SpaceXYZ: Idle Tower Defense by SuperMagic

Strategic Defense Game!
Strong Contender
🎮 Games
4.8😊(1.7K ratings)
FreeAdsIn-App Purchases
SpaceXYZ: Idle Tower Defense screenshot 1
SpaceXYZ: Idle Tower Defense screenshot 2
SpaceXYZ: Idle Tower Defense screenshot 3
SpaceXYZ: Idle Tower Defense screenshot 4
SpaceXYZ: Idle Tower Defense screenshot 5

In this real-time strategy defense game, build and defend your base against relentless waves of enemies by deploying units, gathering resources, and upgrading your forces. With simple controls and in-depth strategy, test your skills and see how long you can survive in an epic battle for survival.

What We Love

  • 👍 Fun gameplay
  • 🚀 Good progression
  • 💡 Innovative features
  • 👍 No forced ads

Room to Improve

  • 🐛 Progress loss issues
  • 🐛 Crashing problems
  • 💰 Expensive to remove ads
Space Tower Defense ModuleTD 2#3

Space Tower Defense ModuleTD 2 by Mikhail Vladimirovich

One tower defense, many strats
Worth Considering
🎮 Games
3.3(11 ratings)
FreeIn-App Purchases
Space Tower Defense ModuleTD 2 screenshot 1
Space Tower Defense ModuleTD 2 screenshot 2
Space Tower Defense ModuleTD 2 screenshot 3
Space Tower Defense ModuleTD 2 screenshot 4
Space Tower Defense ModuleTD 2 screenshot 5
Space Tower Defense ModuleTD 2 screenshot 6

Experience a fresh take on tower defense with a game that challenges you to adapt and experiment with various strategies, combining basic towers with over 60 modules to create unique defenses. Build and customize your towers to defeat a variety of enemies with special abilities, and play through 15+ levels with diverse mechanics and gameplay changers.

More Tower Defense Planet apps to explore

4
Ancient Planet Tower Defense
Ancient Planet Tower Defense
Ancient Planet Tower Defense
They're coming right for you!
Free

Engage in classic Tower Defense gameplay with 40 unique levels and diverse enemies in this offline, ad-free strategy game. Upgrade towers and create unique strategies to defend against alien raiders without the need for an internet connection. Don't forget to leave a review and enjoy the game without interruptions!

🎮 Games
(1.1K)
5
Evo Defense
Evo Defense
Evo Defense
Survive Waves, Defend Planet!
Free
🎮 Games
(7K)
6
The Tower - Idle Tower Defense
The Tower - Idle Tower Defense
The Tower - Idle Tower Defense
Base defense, kill the enemy
Free

Build Your Perfect Tower of Defense with an intense incremental tower defense game where you defend against waves of enemies, make permanent upgrades to your tower, unlock new areas, defeat bosses, and compete in live tournaments. Will your perfect tower stand the test of time? Take on the challenge now!

🎮 Games
(19K)
7
Merge Clash: Tower Defense
Merge Clash: Tower Defense
Merge Clash: Tower Defense
Tower Defense Games Random PvP
Free

Experience the ultimate tower defense game: build, deploy, and upgrade defenses in a world of endless enemies. Test your strategies in PvP battles, merge towers for extra power, and team up with friends in epic boss fights. Ready to defend your kingdom? Play now!

🎮 Games
(12K)
8
Galaxy Defender: Tower Defense
Galaxy Defender: Tower Defense
Galaxy Defender: Tower Defense
Battle Against Evil Robots
Free

In this thrilling tower defense game, you deploy and upgrade powerful weapons to protect your homeland from relentless waves of evil robots. Strategically adapt to diverse landscapes and enemy types, combining six unique guns and upgrades to form the ultimate defense strategy and save your land.

🎮 Games
(88)
9
Crazy Defense Heroes: RPG TD
Crazy Defense Heroes: RPG TD
Crazy Defense Heroes: RPG TD
Tower Defense Strategy Game
Free

Embark on an epic tower defense adventure in a realm filled with minotaurs, dragons, and more in this strategic game. Customize your hero, build powerful clans, and lead your army to victory with over 400 cards and various tower defense strategies. Join the battle now!

🎮 Games
(8.1K)
10
Geometry Tower: Idle Defense
Geometry Tower: Idle Defense
Geometry Tower: Idle Defense
Upgrade, defense tower in war!
Free

Upgrade, attack, and survive in this Roguelike tower defense game! Defend your tower with strategy, upgrade it to withstand endless waves of enemies, and prove your tactical skills to achieve victory. Experience addictive gameplay with idle mechanics and stylized art design.

🎮 Games
(4.4K)
11
TowerMadness Zero
TowerMadness Zero
TowerMadness Zero
Classic Defense Strategy
Free

Experience a thrilling tower defense strategy game with TowerMadness Zero. Use a variety of weapons to protect your flock from evil aliens across over 100 maps, competing globally with friends and millions of players. Upgrade to the ad-free version for uninterrupted gameplay!

🎮 Games
(945)
12
Mega Tower - Casual TD Game
Mega Tower - Casual TD Game
Mega Tower - Casual TD Game
Merge your mega tower!
Free

"Merge towers and conquer planets in this casual tower defense game. Merge towers, upgrade your colony planet, and face endless challenges. Download now and start your adventure!"

🎮 Games
(5.2K)
13
Age of Origins:Tower Defense
Age of Origins:Tower Defense
Age of Origins:Tower Defense
zombie tower defense game
Free

A zombie strategy MMO game with over 70 million downloads worldwide. Recruit armies, fight zombies, rebuild civilization, form alliances, and dominate in real-time battles with players globally. Are you ready to lead humanity's new age? Join the battle now!

🎮 Games
(62K)
14
Underdark:Defense
Underdark:Defense
Underdark:Defense
Tactical Tower Defense
Free

Protect the Eternal Flame by strategically placing towers and selecting buffs to strengthen your defense in thrilling one-handed gameplay. Level up your heroes, earn trophies, and keep the light alive in this intense battle against dark forces!

🎮 Games
(3.8K)
15
Idle Fortress Tower Defense
Idle Fortress Tower Defense
Idle Fortress Tower Defense
Build your own Fortress.
Free

"Build a powerful fortress to defend against monsters, upgrade stats, discover new worlds, and simulate tower defense in this strategy game. Join the battle now and strengthen your Base each week for endless fun and challenges!"

🎮 Games
(1.6K)
16
Tower War - Tactical Conquest
Tower War - Tactical Conquest
Tower War - Tactical Conquest
Use Military Strategy to Win!
Free

Engage in strategic warfare in this beautifully designed tower defense game where you must outsmart your enemies to conquer towers. Test your tactical skills, unlock new tower types, and dominate the battlefield. Join the battle now!

🎮 Games
(169K)
17
TDS - Tower Destiny Survive
TDS - Tower Destiny Survive
TDS - Tower Destiny Survive
Idle zombie defense survival
Free

Embark on an epic adventure in an idle strategy game where you build a mobile tower to fend off hordes of enemies. Enjoy stunning graphics and satisfying enemy destruction. Download now for thrilling gameplay!

🎮 Games
(87K)
18
Planet Defense: Space TD game
Planet Defense: Space TD game
Planet Defense: Space TD game
Galactic TD Strategy
Free

Defend your home planet from relentless alien invaders in a thrilling roguelike tower defense game, where strategic decisions and upgrades are key to survival. With unique gameplay, stunning visuals, and endless replayability, can you outsmart the alien onslaught and become the ultimate galactic defender?

🎮 Games
(2.2K)
19
Rift Riff
Rift Riff
Rift Riff
Tower defense, but strategic?!
Free

Experience a strategic twist on traditional tower defense with a game that combines customizable towers, varied monster behaviors, and forgiving mechanics. Try out this engaging game, which offers a one-time in-app purchase to unlock its full content, featuring 20 worlds, 17 tower types, and 25 monster types.

🎮 Games
(65)
20
Idle Defense: Dark Forest
Idle Defense: Dark Forest
Idle Defense: Dark Forest
TD Strategy Game
Free

In a world of chaos, a banished wizard must defend his home using various towers and skills to protect against swarming monsters. Upgrade towers, unleash elemental skills, summon ancient demons, and embark on a strategic defense in this TD strategy game. Stay tuned for Idle Defense 2 for the latest updates!

🎮 Games
(2.5K)

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