Comparison

Idle Drops vs Cosmic Synthesis

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

Head to head
About

Idle Drops

Tap the screen to drop balls into slots and grow your in-game fortune. Upgrade drops to earn more money and boost balls to unlock new levels and story elements. Enjoy an idle clicker experience with strategic upgrades.

Highlights
  • Tap to drop balls
  • Upgrade drops for more earnings
  • Boost balls for new levels
  • Unlock story elements
  • Collect all drops
Features
Read full description

Idle Drops is a visually focused incremental game where you collect colorful drops and create a cascade of chaos. But beneath the surface, there is something more. Discover the truth of your existence as you delve deep into realm beyond the mirage. Features: - Beautiful and mesmerizing soundtrack - Multiple ways to advance, including prestige system - Highly polished UI and animations - Deep sci-fi story - No forced ads Idle Drops is a game built in the Judicator Jane LitRPG universe.

About

Cosmic Synthesis

Build your own universe from atoms to galaxies in this idle-clicker adventure. Automate production, refine resources, and unlock cosmic milestones. The game adapts to both active strategists and idle players, offering a unique sci-fi experience.

Highlights
  • Tap to generate matter
  • Automate production chains
  • Refine resources into planets
  • Unlock over 50 cosmic milestones
  • Strategic talent tree
  • Prestige system for permanent upgrades
  • Offline progression
Features
Read full description

EXPERIENCE EXPONENTIAL GROWTH Transform raw matter into complex structures in this addictive incremental journey. Harness the power of synthesis and watch your empire scale to impossible heights: Tap to Generate: Create matter with a single touch. Automate Production: Unlock synthesis nodes that work for you 24/7. Refine Resources: Convert Matter into Atoms, Atoms into Molecules, and Molecules into massive Planets! GAME FEATURES Limitless Discovery: Reach over 50 cosmic milestones—from humble asteroids and quasars to black holes and parallel universes. Strategic Talent Tree: Choose your path! Specialize in Speed (production efficiency) or Discovery (rare events & research value). Powerful Prestige: Trigger a "Big Bang" reset to collect Dark Energy and Singularity Points for permanent, god-like upgrades. Offline Progression: Your universe never sleeps. Return to massive gains even after time away. Tactical Control: Pause individual production chains to optimize your strategy and manage resources like a cosmic pro. WHY COSMIC SYNTHESIS? Sleek Sci-Fi Aesthetic: A dark, nebula theme designed for space enthusiasts and science lovers. We value your flow. Watch rewarded ads only when YOU want a massive boost—completely optional. "From quantum foam to the singularity—every click brings you closer to ultimate cosmic mastery." PLAY YOUR WAY Whether you are an Active Strategist who loves micro-managing for maximum efficiency or an Idle Player who enjoys watching the numbers climb while away, Cosmic Synthesis adapts to your style. Are you ready for your own Big Bang?

Screenshots

Idle Drops4 screens
Cosmic Synthesis4 screens

Verdict

The call

The clearest difference is review sentiment: Idle Drops at 62% against Cosmic Synthesis's 29%. Idle Drops also leads on rating (4.3 vs 4.0) and ratings volume (813 vs 15). On price, update cadence, ads 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. Idle Drops sells 10 one-off in-app purchases and Cosmic Synthesis sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Idle Drops holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Idle Drops has 813 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 62% of Idle Drops's written reviews are positive against 29% of Cosmic Synthesis's.

UpkeepUpdate frequency

Idle Drops ships an update every 9 days, Cosmic Synthesis weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Idle Drops versus Cosmic Synthesis: the parameters behind the verdict, then further details
ParameterIdle DropsCosmic Synthesis
PriceFreeFree
Rating4.3 (813 ratings) — better4.0 (15 ratings)
Positive reviews62.1% of reviews — better28.6% of reviews
Number of ratings813 — better15
Update frequencyEvery 9 daysWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size259 MB161 MB
Age rating4+4+
DeveloperStudio Rouleau IncNETBYTE UG (haftungsbeschränkt)

Customer experience

Idle Drops

All ratings813 ratings
Positive82.4%
Neutral5.4%
Negative12.2%
Written reviews182 reviews
Positive62.1%
Neutral14.3%
Negative23.6%

Cosmic Synthesis

All ratings15 ratings
Positive60.0%
Neutral33.3%
Negative6.7%
Written reviews7 reviews
Positive28.6%
Neutral42.9%
Negative28.6%

Bugs and requests

Idle Drops

Reported bugs

3 issues
  • Ads causing game freezes
  • Losing progress after prestiging
  • Inconsistent ad reward functionality

Requested features

4 requests
  • Add more level variety
  • Improve ad implementation
  • Implement cloud save/sync
  • Expand on the story/lore

Cosmic Synthesis

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Idle Drops

One-time10
  • 10 Diamonds$0.99
  • Dragon Drop$0.99
  • Ad-Free Collect x2$2.99
Show 7 more
  • Remove Ads$2.99
  • Ad-Free Drops x2 and Multi x2$2.99
  • 55 Diamonds$4.99
  • Mega Pack Remove Ads$6.99
  • Mega Pack$6.99
  • 120 Diamonds$9.99
  • 250 Diamonds$19.99
1 purchases

Cosmic Synthesis

One-time1
  • Premium$1.99

Questions

Is Idle Drops free?
Idle Drops is free to download, with in-app purchases available.
Is Cosmic Synthesis free?
Cosmic Synthesis is free to download, with in-app purchases available.
Which has better reviews, Idle Drops or Cosmic Synthesis?
Idle Drops is rated higher. Idle Drops averages 4.3 out of 5 from 813 ratings, while Cosmic Synthesis averages 4.0 from 15 ratings.
Do Idle Drops or Cosmic Synthesis have ads?
Both Idle Drops and Cosmic Synthesis show ads.
Which is updated more often, Idle Drops or Cosmic Synthesis?
Idle Drops ships an update every 9 days, and Cosmic Synthesis weekly. Most recently, Idle Drops was updated on November 2, 2026 and Cosmic Synthesis on October 30, 2026.

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