Comparison

Idle Universe 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

Idle Universe

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.

Highlights
  • Create 31 interstellar objects
  • Unlock 24 Divine Powers
  • Upgrade objects with multiple options
  • Obtain Dark Matter for special abilities
  • Gain Antimatter via prestige for permanent upgrades
  • Compete on leaderboards
  • Earn daily rewards and achievements
Features
Read full description

Create your own universe in this new addictive idle game! First, you have to gather matter yourself by tapping; but once you've got enough matter to create a couple of objects in your universe, these will produce more matter automatically by colliding. Features: • Create many different interstellar objects - from tiny particles to your own planets, galaxies and even more! • Unlock Divine Powers, powerful permanent upgrades! • Speed up the growth of your universe with even more powerful Evolvements, transcendental upgrades that persist even through restarts! • Upgrade all of your objects in various ways! You will need to find a strategy that fits your playstyle to succeed in the late-game! • Obtain Dark Matter and use special abilities like Augmented Production and Tapping! • Get even bigger with prestige! Every time you restart the game, you will obtain Antimatter, which can be used to buy permanent super upgrades! • Join the competition with a global leaderboard! • Get daily rewards! • Earn Achievements, not just for the sake of it, but to increase your production even further! There're plenty of opportunities in the game - you can play for weeks and never get bored! Try our new idle game and create your very own universe :) • Music by Ckavi! • Graphics by Pocido!

About

Planet Builder

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.

Highlights
  • Planet creation and evolution
  • Resource gathering
  • Cosmic object collection
  • Planet upgrades and boosters
  • Idle gameplay
  • Universe building
Features
Read full description

Welcome to Planet Builder: Idle Evolution – the chill cosmic adventure where you get to play universe architect! Ever dreamt of shaping your own planets, sprinkling them with plants, trees, and maybe a few critters here and there? Well, buckle up because in this game, you're in charge of creating your very own cosmic playgrounds! So, what's the deal? Simple – gather resources, build planets, and watch 'em evolve right before your eyes! Whether you're into serene moonscapes or bustling civilizations, there's no limit to your cosmic creativity. And hey, who said you can't have a bit of fun while you're at it? Keep your eyes peeled for quirky objects floating around in space – collect 'em all and watch your universe come alive with a dash of cosmic charm! But wait, there's more! With upgrades and special boosters at your fingertips, you'll be zooming through the cosmos in no time. Speed up your resource gathering, supercharge your planet growth – the sky's not even the limit here! Planet Builder: Idle Evolution isn't just a game, it's a cosmic vacation for your soul. With its laid-back vibe and endless possibilities, it's perfect for unwinding after a long day or simply kicking back on a lazy afternoon. So, what are you waiting for? Grab your space suit, fire up the engines, and let's get building – the universe is waiting for your creative touch!

Screenshots

Idle Universe4 screens
Planet Builder4 screens

Verdict

The call

The clearest difference is rating: Planet Builder at 5.0 against Idle Universe's 4.3. Planet Builder also leads on update cadence (every 6 days vs every 3 weeks) and iOS requirement (13.0 vs 15.0). Idle Universe's advantage is ratings volume (1.5K vs 5). On price, ads, in-app purchases and monetization model 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. Idle Universe sells 7 one-off in-app purchases and Planet Builder sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Planet Builder holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Idle Universe has 1.5K ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

Idle Universe ships an update every 3 weeks, Planet Builder every 6 days. The most recent releases landed on September 30, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 6 level
Idle Universe versus Planet Builder: the parameters behind the verdict, then further details
ParameterIdle UniversePlanet Builder
PriceFreeFree
Rating4.3 (1.5K ratings)5.0 (5 ratings) — better
Positive reviews65.2% of reviews—
Number of ratings1.5K — better5
Update frequencyEvery 3 weeksEvery 6 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size281 MB705 MB
Age rating4+4+
DeveloperDominik StallmannOlha Kolomiiets

Customer experience

Idle Universe

All ratings1,514 ratings
Positive82.2%
Neutral9.2%
Negative8.6%
Written reviews299 reviews
Positive65.2%
Neutral15.4%
Negative19.4%

Planet Builder

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Idle Universe

Reported bugs

4 issues
  • Prestige button not working
  • Ads not providing expected rewards
  • Frequent crashes and freezes
  • Incorrect offline progress tracking

Requested features

4 requests
  • Offline progress tracking
  • More prestige layers and upgrades
  • Better optimization for larger screens
  • Improved tutorial and explanations

Planet Builder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Idle Universe

One-time7
  • 250 Dark Matter$3.99
  • Double Antimatter Gains$4.99
  • +100% Transcendence Exp$4.99
Show 4 more
  • Remove All Ads$8.99
  • 1000 Dark Matter$9.99
  • 2500 Dark Matter$24.99
  • 10000 Dark Matter$69.99
7 purchases

Planet Builder

One-time7
  • Diamonds Pack$2.99
  • Starter Pack$2.99
  • Diamonds Pack$4.99
Show 4 more
  • Special Offer$4.99
  • No Ads$4.99
  • Coins Booster$9.99
  • Diamonds Pack$9.99

Questions

Is Idle Universe free?
Idle Universe is free to download, with in-app purchases available.
Is Planet Builder free?
Planet Builder is free to download, with in-app purchases available.
Which has better reviews, Idle Universe or Planet Builder?
Planet Builder is rated higher. Idle Universe averages 4.3 out of 5 from 1.5K ratings, while Planet Builder averages 5.0 from 5 ratings.
Do Idle Universe or Planet Builder have ads?
Both Idle Universe and Planet Builder show ads.
Which is updated more often, Idle Universe or Planet Builder?
Idle Universe ships an update every 3 weeks, and Planet Builder every 6 days. Most recently, Idle Universe was updated on September 30, 2026 and Planet Builder on September 18, 2026.

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