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Best Planet Builder Apps & Games

201+ iOS apps & games curated and reviewed

4.3 avg rating
18 free apps & games
Updated June 2026

TerraGenesis is the household name in planet builder, but it's far from the only option. We track 201+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Planet Builder

TerraGenesis - Space Settlers#1

TerraGenesis - Space Settlers by Tilting Point LLC

Terraform Universe Planets
Editor's Choice
🎮 Games
4.6😊(32K ratings)
FreeAdsIn-App Purchases
TerraGenesis - Space Settlers screenshot 1
TerraGenesis - Space Settlers screenshot 2
TerraGenesis - Space Settlers screenshot 3
TerraGenesis - Space Settlers screenshot 4
TerraGenesis - Space Settlers screenshot 5
TerraGenesis - Space Settlers screenshot 6

TerraGenesis - Space Settlers allows you to terraform and build planets using real NASA science. Join factions, create habitats, manage resources, and explore new worlds in this immersive idle planet building simulator. If you love astronomy or resource management games, download and start terraforming today!

What We Love

  • 🚀 Awesome and engaging
  • 👍 Perfectly engaging game
  • 👍 Incredibly addictive in a good way
  • 👍 Beautiful and pleasing graphics

Room to Improve

  • 🐛 Biosphere bugs
  • 🐛 Crashes and performance issues
  • 🐛 Terraforming progress resets unexpectedly
Idle World - Planet Miner#2

Idle World - Planet Miner by FUNCELL GAMES PRIVATE LIMITED

My Little Planet Earth Craft!
Strong Contender
🎮 Games
4.5😊(34K ratings)
FreeAdsIn-App Purchases
Idle World - Planet Miner screenshot 1
Idle World - Planet Miner screenshot 2
Idle World - Planet Miner screenshot 3
Idle World - Planet Miner screenshot 4

Experience the ultimate idle clicker game where you create and upgrade your own planet Earth, from landscapes to atmospheres. Unlock various features, prevent catastrophes, and enjoy endless gameplay. Upgrade to VIP for exclusive benefits and uninterrupted fun!

What We Love

  • 🚀 Addictive gameplay
  • 👍 Relaxing and enjoyable
  • 💡 Interesting facts and quotes
  • 🚀 Fast progression early on

Room to Improve

  • 🐛 Bugs and glitches after updates
  • 🔋 High battery consumption
  • 💰 Excessive ads and monetization
TerraGenesis: Landfall#3

TerraGenesis: Landfall by Tilting Point LLC

Life in Space - City Builder
Worth Considering
🎮 Games
4.1😐(1.9K ratings)
FreeAdsIn-App Purchases
TerraGenesis: Landfall screenshot 1
TerraGenesis: Landfall screenshot 2
TerraGenesis: Landfall screenshot 3
TerraGenesis: Landfall screenshot 4
TerraGenesis: Landfall screenshot 5
TerraGenesis: Landfall screenshot 6

Build and manage cities on planets in our solar system and outer space in this free city-building simulation. Lead humanity to a new future outside Earth, create life in space, and expand your civilization across the galaxy using NASA science. Transform barren planets, balance resources, and conquer new territories while exploring planets to develop civilizations in space. Experience random events and ensure sustainable growth in this science-based city-building simulator. Start your space adventure now!

What We Love

  • 🚀 Challenging gameplay
  • 🔍 Unique concept
  • 🎨 Good graphics
  • 👍 Engaging city building

Room to Improve

  • 🐛 Frequent crashes and bugs
  • ⏱️ Slow progression
  • 🏥 High settler mortality rate

More Planet Builder apps to explore

4
Solar System Sim
Solar System Sim
Solar System Sim
Gravity Sandbox
Free

Explore planets, moons, and stars in our solar system with a Gravity Sandbox app. Customize celestial bodies, create your solar system, and observe their orbits based on Newton's laws. Experience an interactive way to learn about space dynamics. Ready to embark on a cosmic journey?

🎮 Games
(3.6K)
5
My Planet Simulation
My Planet Simulation
My Planet Simulation
by Brandon Stecklein
Free

Experience a virtual pet game on a planetary level in this simulation app where you nurture and grow a thriving population by managing sunlight and water levels. Keep your planet in balance to prevent disasters and reach the goal of over 1,000,000 people! Remember, the key to success lies in maintaining the optimal levels of vegetation, sunlight, and water.

🎮 Games
(211)
6
Godus
Godus
Godus
Award winning sandbox game
Free

Experience the power of playing god in a captivating sandbox game. Shape landscapes, guide civilizations, and perform miracles in a fully simulated world. Embark on a unique journey of growth and discovery unlike any other.

🎮 Games
(75K)
7
Planet Bomber!
Planet Bomber!
Planet Bomber!
by Voodoo
Free

Explore the galaxy, destroy planets, and defeat bosses in this action-packed game. Upgrade your abilities for an epic interstellar adventure! Terms of Service and Privacy Policy available at the provided links.

🎮 Games
(44K)
8
Cell to Singularity: Evolution
Cell to Singularity: Evolution
Cell to Singularity: Evolution
Civilization Idle Clicker Game
Free

Embark on a cosmic evolution journey in this captivating idle clicker game that traces the history of life from single-celled organisms to futuristic civilizations. Tap to evolve, unlock milestones, and delve into the depths of scientific and technological progress. Experience the epic saga of evolution and humanity in a game that blends education with addictive gameplay. Join the evolution now!

🎮 Games
(22K)
9
Planet Builder : Idle Journey
Planet Builder : Idle Journey
Planet Builder : Idle Journey
Tap to evolve the planet!
Free
🎮 Games
(1)
10
My Little Universe
My Little Universe
My Little Universe
Mine and Craft your own planet
Free

Embark on a divine adventure in a worldbuilding game where you craft your own planet, mine resources, fight monsters, and create a thriving civilization. Download now and shape your little universe!

🎮 Games
(166K)
11
PlanetBuilder
PlanetBuilder
PlanetBuilder
Build Worlds. Bend Gravity.
$0.99

In this immersive application, you guide the creation and evolution of a planet from scattered space debris, nurturing life as it emerges and protecting it from hostile alien threats. As life on your planet advances, it will eventually become self-sustaining, and your goal is to help it ascend into the cosmos before moving on to the next challenge.

🎮 Games
(7)
12
Earth Editor
Earth Editor
Earth Editor
Sandbox game
Free

Create your own virtual world in this sandbox simulation game by utilizing different elements like sand, water, seeds, and lava to shape the Earth your way. Let your creativity run wild and build unique landscapes in this interactive experience.

🎮 Games
(860)
13
Tiny Space Program
Tiny Space Program
Tiny Space Program
Shoot rockets, run your agency
Free

Embark on an interstellar journey with this app that lets you manage your own space agency, from launching rockets and building colonies to conducting research and exploring new worlds. Experience the challenges and excitement of space exploration while overseeing a variety of missions and pioneering interplanetary societies. Start your cosmic adventure today!

🎮 Games
(1.5K)
14
Planet Builder: Idle Evolution
Planet Builder: Idle Evolution
Planet Builder: Idle Evolution
by Olha Kolomiiets
Free

Create your own planets, gather resources, and watch them evolve in a chill cosmic adventure where you can express your creativity without limits. Gather quirky objects, upgrade your progress, and enjoy a laid-back experience perfect for unwinding, and start building your universe today!

🎮 Games
(5)
15
Planet Life
Planet Life
Planet Life
A curious planet adventure
Free

Embark on a cosmic journey as a lonely planet seeking friendship and growth in a vast universe. Manage resources, explore dungeons, and interact with intriguing characters to become a thriving planet. Join the adventure now and discover the wonders of Planet Life!

🎮 Games
(3.9K)
16
Building Arcadia
Building Arcadia
Building Arcadia
Sci-fi idle city builder
Free

Embark on a sci-fi city-building adventure in a futuristic world with engaging story-driven gameplay, diverse locations, and strategic challenges. Uncover ancient threats, manage resources, and shape a thriving utopia on the planet Fortuna—download now to start your journey!

🎮 Games
(52)
17
Cow Evolution: Merge to Evolve
Cow Evolution: Merge to Evolve
Cow Evolution: Merge to Evolve
Mutant Animals: Idle Clicker
Free

Discover a captivating app where you merge cows to create new animals in a quirky evolution process. Experience the joy of evolution and create endless new species – download now and start evolving!

🎮 Games
(22K)
18
myDream Universe - Build Solar
myDream Universe - Build Solar
myDream Universe - Build Solar
Documentary of Sandbox Planets
$14.99

Explore the myDream Universe, a sandbox space simulation game where you start from a small asteroid, absorb others to build a solar system, earn GP and mass by roaming the universe, and strategically grow your planets. Dive into this immersive experience of planet-building and exploration today! Discover more at: [Planet Gravity](https://apps.apple.com/us/app/id1566504157)

🎬 Entertainment
(917)
19
Planet Evolution: Idle Clicker
Planet Evolution: Idle Clicker
Planet Evolution: Idle Clicker
Relaxing Incremental Idle Game
Free

Planet Evolution: Idle Clicker is a relaxing incremental idle game where you create and customize planets in the universe while competing on a real-time leaderboard. Increase your planet's attraction by tapping to collect coins, strategically using upgrades and boosters, all in an endless free-to-play gameplay experience. Play offline for free and enjoy regular updates to enhance your cosmic journey!

🎮 Games
(28K)
20
Land Builder
Land Builder
Land Builder
World-building Meditation
Free

"Create your own world with Land Builder, a relaxing and engaging puzzle game where you piece together a beautiful landscape. Unwind, meditate, and unleash your creativity by downloading Land Builder now."

🎮 Games
(18K)

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