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Screenshots

  • Cosmic Synthesis: Idle Builder screenshot 1
  • Cosmic Synthesis: Idle Builder screenshot 2
  • Cosmic Synthesis: Idle Builder screenshot 3
  • Cosmic Synthesis: Idle Builder screenshot 4

About Cosmic Synthesis: Idle Builder

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?

Ratings & reviews

3.8

13 ratings

5 ★ 46% 4 ★ 8% 3 ★ 38% 2 ★ 0% 1 ★ 8%

What’s new

Version 2.2.4 · Updated September 17, 2026

* Improved app stability and lifecycle handling for a smoother experience.

App privacy

The developer, NETBYTE UG (haftungsbeschränkt), reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Advertising Data

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Usage Data: Advertising Data, Product Interaction, Other Usage Data
  • Location: Coarse Location
  • Identifiers: User ID, Device ID
  • Diagnostics: Crash Data, Performance Data, Other Diagnostic Data

Used for: Third-Party Advertising, Analytics, App Functionality

Alternatives to Cosmic Synthesis: Idle Builder

Looking for apps like Cosmic Synthesis: Idle Builder? Here are 6 similar apps on the App Store. The highest rated is Kardashev: Idle Universe (5.0/5), and all 6 are free to download.

Cosmic Synthesis: Idle Builder vs. alternatives
App Rating Price Last updated
Cosmic Synthesis: Idle Builder 3.8 / 5 (13 ratings) Free September 17, 2026
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Pyramid Idle 4.2 / 5 (15) Free Sep 28, 2026
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Cosmica: Idle Universe 4.5 / 5 (6) Free Sep 24, 2026
Everburn 3.8 / 5 (18) Free Sep 21, 2026