Best Planet Builder Apps & Games

248+ iOS apps & games curated and reviewed

4.3 avg rating
19 free apps & games
Updated August 2026

TerraGenesis is the household name in planet builder, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Planet Builder Apps & Games (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TerraGenesis - Space SettlersTerraGenesis - Space SettlersFree4.6★ (33K)YesYesSep 2026
2Idle World - Planet MinerIdle World - Planet MinerFree4.5★ (34K)YesYesSep 2026
3Planet Builder: Idle EvolutionPlanet Builder: Idle EvolutionFree5.0★ (5)YesYesJul 2026
4Planet Builder: Space TycoonPlanet Builder: Space TycoonFree5.0★ (1)YesNoAug 2026
5PlanetBuilderPlanetBuilder$0.994.1★ (7)NoNoJul 2026
6Solar System SimSolar System SimFree4.5★ (4.1K)YesYesSep 2026
7Mayor 4000: City BuilderMayor 4000: City BuilderFree4.8★ (19)NoYesSep 2026
8TerraGenesis: LandfallTerraGenesis: LandfallFree4.1★ (2K)YesYesSep 2026

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😊(33K 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

Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.

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 Pvt Ltd

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
Idle World - Planet Miner screenshot 5
Idle World - Planet Miner screenshot 6

Build and expand your own planet from the ground up in this addictive idle clicker game. Upgrade your world to generate energy, colonize new areas, and introduce life. Can you unlock the atmosphere and create a thriving planet?

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
Planet Builder: Idle Evolution#3

Planet Builder: Idle Evolution by Olha Kolomiiets

Worth Considering
🎮 Games
5.0(5 ratings)
FreeAdsIn-App Purchases
Planet Builder: Idle Evolution screenshot 1
Planet Builder: Idle Evolution screenshot 2
Planet Builder: Idle Evolution screenshot 3
Planet Builder: Idle Evolution screenshot 4
Planet Builder: Idle Evolution screenshot 5
Planet Builder: Idle Evolution screenshot 6

Create and evolve your own planets in this relaxing cosmic adventure. Gather resources, build diverse worlds, and discover quirky objects to bring your universe to life. Enjoy endless creative possibilities with upgrades and boosters.

More Planet Builder apps to explore

4
Planet Builder: Space Tycoon
Planet Builder: Space Tycoon
Planet Builder: Space Tycoon
Build, terraform & evolve
Free

A relaxing strategy game where you guide a planet's evolution from its beginnings to a thriving civilization. Make daily choices to manage resources, build generators for passive income, and expand your empire across a solar system with other players.

Resource management for planetary evolutionBuild passive income generatorsMultiplayer solar system interaction
🎮 Games
(1)
ad-supported
5
PlanetBuilder
PlanetBuilder
PlanetBuilder
Build Worlds. Bend Gravity.
$0.99

Shape cosmic debris into a living planet, bending gravity to your will. Defend your creation from deadly debris and hostile alien forces as life evolves and civilization rises.

Shape cosmic debris into a planetBend gravity to manipulate your worldDefend against cosmic debris and alien forces
🎮 Games
(7)
paid
6
Solar System Sim
Solar System Sim
Solar System Sim
Space & Planet Physics Sandbox
Free

Simulate and explore celestial bodies within our solar system and beyond. Create your own solar systems, experiment with gravity and physics, and observe orbital mechanics in action.

Explore planets and moonsVisit nearby starsCreate custom solar systems
🎮 Games
(4.1K)
free with in-app purchases
7
Mayor 4000: City Builder
Mayor 4000: City Builder
Mayor 4000: City Builder
Deep Offline City Simulation
Free

Build, zone, and manage your dream city from a small town to a thriving metropolis. Simulate citizens, jobs, and traffic, and balance the books while surviving disasters. Enjoy deep, offline-friendly gameplay with no timers or resource grinding.

Zone and grow residential, commercial, and industrial areasBuild essential infrastructure like roads and utilitiesManage city services such as police and schools
🎮 Games
(19)
free with in-app purchases
8
TerraGenesis: Landfall
TerraGenesis: Landfall
TerraGenesis: Landfall
Life in Space - City Builder
Free

Build and manage extraterrestrial cities on planets across the solar system and beyond. Develop new civilizations, manage resources, and ensure the survival and happiness of your galactic residents in this free city-building simulator.

Build and manage extraterrestrial citiesDevelop new civilizations in spaceManage resources like oxygen and water
🎮 Games
(2K)
free with in-app purchases
9
Planet Builder : Idle Journey
Planet Builder : Idle Journey
Planet Builder : Idle Journey
Tap to evolve the planet!
Free

Create your own cosmic empire by tapping to generate stardust and evolve your planet. Unlock upgrades, customize your world, and discover secrets as your civilization grows. Enjoy a relaxing idle clicker experience with offline play and leaderboards.

Planet upgrades and boostersCollect unlimited coinsPlay offline
🎮 Games
(2)
ad-supported
10
Cell to Singularity: Evolution
Cell to Singularity: Evolution
Cell to Singularity: Evolution
Civilization Idle Clicker Game
Free

Embark on an evolutionary journey from a single cell to a technological singularity. Tap to gain entropy, unlock new chapters of life, and witness milestones like dinosaur extinction and the Industrial Revolution. Explore the past, present, and future of humanity in this engaging idle clicker game.

Evolutionary clicker gameplayGain Entropy currencyUnlock chapters of life
🎮 Games
(23K)
free with in-app purchases
11
My Planet Simulation
My Planet Simulation
My Planet Simulation
by Brandon Stecklein
Free

Control a planet and nurture a thriving population by managing sunlight and rain. This real-time simulation game requires daily check-ins to maintain optimal conditions for vegetation and prevent your people from starving or suffering from extreme weather. Can you reach a population of over one million?

Virtual planet simulationPopulation growth managementSunlight and rain manipulation
🎮 Games
(215)
free with in-app purchases
12
Planet Bomber!
Planet Bomber!
Planet Bomber!
by Voodoo
Free

Embark on an interstellar adventure to explore the vastness of the galaxy. Your mission is to destroy planets, upgrade your arsenal, and conquer challenging bosses. Prepare for an epic cosmic journey.

Explore the galaxyDestroy planetsUpgrade abilities
🎮 Games
(44K)
free with in-app purchases
13
Godus
Godus
Godus
Award winning sandbox game
Free

Shape a living world with your touch, nurturing followers and guiding their civilization through ages. Cast miracles or unleash destruction, uncovering mysteries and leading voyages. Experience a unique sandbox game where you play as a deity.

Shape and sculpt landscapes with touchNurture and guide followersAdvance civilization through ages
🎮 Games
(75K)
free with in-app purchases
14
City Builder: Building Games
City Builder: Building Games
City Builder: Building Games
Build Town: New World Strategy
Free

Build a new human settlement on Mars by planning and constructing a space colony. Operate heavy machinery and manage resources to ensure survival in this city-building simulation game.

New World ExplorationHuman Survival StrategyMars Colony Building
🎮 Games
(6)
free with in-app purchases
15
Planet Sylvia
Planet Sylvia
Planet Sylvia
Explore Planets
Free

Embark on a cosmic adventure to colonize planets, build bases, and upgrade your spacecraft. Explore a vast universe, gather resources, and uncover the secrets of uncharted worlds.

Establish bases on uncharted worldsGather and manage resourcesUpgrade and customize spacecraft
🎮 Games
(0)
free with in-app purchases
16
Every Planet
Every Planet
Every Planet
Generate the Universe
Free
📚 Education
(0)
17
Planet Smashers
Planet Smashers
Planet Smashers
The Celestial Mega Merge Game!
Free
🎮 Games
(0)
18
Drill Planet TD
Drill Planet TD
Drill Planet TD
Mine & Build & Defense!
Free
🎮 Games
(0)
19
Earth Editor
Earth Editor
Earth Editor
Sandbox game
Free

Create your own world by placing various elements like sand, water, and lava on a gravity field. This simulation game allows for boundless creativity in designing unique planetary landscapes. Explore the possibilities of a sandbox environment where you are the architect of your own planet.

World creation sandboxGravity field simulationPlace sand, water, seeds, lava
🎮 Games
(919)
ad-supported
20
Planet Explorers
Planet Explorers
Planet Explorers
AI-powered expeditions
Free

Embark on AI-generated space expeditions to unique planets. Manage your crew, document discoveries, and explore offline. Requires Apple Intelligence on supported devices.

AI-crafted planetsOffline explorationCrew management
🎮 Games
(1)
free

FAQ about Planet Builder

What are the best planet builder apps & games for iPhone?
TerraGenesis - Space Settlers tops our planet builder apps & games ranking as of August 2026, with a 4.6-star average from 33K App Store ratings, and it's free to download.
Yes — 19 of the top planet builder apps & games we rank are free to download, including TerraGenesis - Space Settlers and Idle World - Planet Miner.
TerraGenesis - Space Settlers shows ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ planet builder apps & games on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
TerraGenesis is an idle planet building simulator that allows players to terraform and settle planets using real scientific principles. You can cultivate life, manage resources, and build civilizations on various celestial bodies.
Key features include building entire worlds by managing resources like air pressure and oxygen, discovering and terraforming planets and moons from our solar system and beyond, creating unique organisms with a biosphere simulator, encountering alien populations, and defending your planet from asteroid attacks.

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