Comparison

AIM vs Planet Builder

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

AIM

Embark on a mission to save Earth from an asteroid by traveling to the past. Build a space center, conduct research on asteroids, and use your findings to deflect the threat. Engage in mini-games and strategic building to complete your vital task.

Highlights
  • Build and upgrade space center buildings
  • Conduct asteroid research
  • Play mission-based mini-games
  • Launch satellites
  • Deflect future asteroid threats
  • Save the Earth
Features
Read full description

Oh no, the earth is in danger! An asteroid is coming this way to destroy it. What can be done about it? It’s 2500 A.D. You are a Scientist, working at the European Space Agency. You came up with a plan: “Let’s travel to the past with a time machine and set up a space mission about asteroids. This provides us with research and in that way, we can deflect the future asteroid from its course!” Alright then. This could work! The Director approves and thinks you should go. You sound like the perfect candidate for this operation. Now, pack your bags and go! The time machine takes you back to the right year and your adventure starts immediately. Here’s what you need to do: Build your own Space Centre Construct several buildings which generate coins or research points Upgrade your buildings and perform tasks Play a set of mini-games which follow a breakdown of the mission Launch the satellite into space Reach a group of asteroids and do research on them Gather data and information from the asteroids Travel back to your own time with the research you have Stop the future asteroid in its course Save the earth! Download the game and start your mission today. Good luck!

About

Planet Builder

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.

Highlights
  • Resource management for planetary evolution
  • Build passive income generators
  • Multiplayer solar system interaction
  • Empire building through world retirement
  • Daily challenges and bonuses
  • Day/night cycle bonuses
Features
Read full description

PlanetBuilder is a relaxing strategy game about growing a world from nothing into a thriving civilization. Every day, you make choices that shape your planet's future — from the first rainfall to a sprawling interstellar empire. BUILD YOUR WORLD Allocate Water, Minerals, Atmosphere, Life Seeds, and Energy to guide your planet through four stages of evolution. Every decision matters — the right resource at the right time can unlock your planet's next chapter. BUILD GENERATORS Construct generators that keep producing while you're away. Upgrade them, collect passive income, and trigger boosts every few hours for instant bursts of production. Your planet never stops growing. SHARE A SOLAR SYSTEM Play alongside up to 3 real players in a shared solar system and watch each other's worlds evolve over time. Send boosts to help a neighbor grow faster Trade resources to fill gaps in your strategy Launch meteor strikes to deposit rare minerals on other planets BUILD AN EMPIRE When your planet reaches Civilization, retire it as a Colony and start fresh — harder, but more rewarding. Retired worlds earn passive coins and permanently boost your generators. Chain up to 5 worlds to build a galactic empire. DAY & NIGHT BONUSES Your planet changes with the clock. Earn bonus Energy during the day and increased Life Seeds and Atmosphere at night. Playing at the right time pays off. DAILY CHALLENGES & STREAKS Complete daily challenges, maintain login streaks, and earn coins to spend on generators and upgrades. There's always something to work toward. A billion years of evolution starts with a single drop of water.

Screenshots

AIM3 screens
Planet Builder4 screens

Verdict

The call

The clearest difference is ads: AIM at none against Planet Builder's shown. AIM also leads on update cadence (daily vs every 6 weeks) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for AIM against 5.0 for Planet Builder. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

AIM ships an update daily, Planet Builder every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
AIM versus Planet Builder: the parameters behind the verdict, then further details
ParameterAIMPlanet Builder
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews0.0% of reviews—
Number of ratings22
Update frequencyDaily — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS6.0 — better17.0
Further details — not scored
Size452 MB41 MB
Age rating4+4+
DeveloperESA - European Space AgencyJames Biser

Customer experience

AIM

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Planet Builder

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

AIM

No in-app purchases

None

Planet Builder

No in-app purchases

Questions

Is AIM free?
AIM is free to download, with no in-app purchases.
Is Planet Builder free?
Planet Builder is free to download, with no in-app purchases.
Which has better reviews, AIM or Planet Builder?
AIM and Planet Builder are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do AIM or Planet Builder have ads?
Planet Builder shows ads; AIM does not.
Which is updated more often, AIM or Planet Builder?
AIM ships an update daily, and Planet Builder every 6 weeks. Most recently, AIM was updated on October 25, 2026 and Planet Builder on October 24, 2026.

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