Ecosysteme vs Cosmic Synthesis
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ecosysteme
Create and evolve life from simple molecules to complex ecosystems. Discover hundreds of species, develop genetic traits, and shape diverse biomes in this idle evolution game inspired by biology and evolution theory.
- Evolve hundreds of species
- Develop genetic traits
- Create diverse biomes
- Automatic resource production
- Educational and contemplative gameplay
- Inspired by biology and evolution
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Plonge dans un voyage fascinant à travers le temps, depuis les premières molécules jusqu’aux écosystèmes avancés ! Dans Ecosystème, tu es le créateur d’un monde vivant en constante évolution. Commence par les plus petites molécules et fais évoluer ton écosystème à travers les âges, en débloquant des espèces, traits génétiques et biomes toujours plus complexes. ** Fais évoluer la vie * Découvre les premières cellules, algues, méduses, arthropodes et mammifères * Débloque des centaines d’espèces et observe leur évolution dans ton monde ** Développe des traits génétiques * Poils, griffes, photosynthèse, système nerveux... chaque trait influence ton écosystème * Utilise la bonne stratégie pour optimiser ton arbre évolutif ** Transforme la planète * Crée des biomes : océan, forêt, désert, toundra… * Chaque environnement débloque de nouvelles combinaisons d’espèces ** Un gameplay addictif et progressif * Production automatique de ressources * Débloque de nouvelles branches d’évolution au fil du temps * Optimise ta progression grâce aux synergies entre espèces et traits ** Un jeu éducatif et contemplatif Inspiré de la biologie, de la paléontologie et de la théorie de l’évolution, Ecosystème est à la fois un jeu de gestion relaxant et une exploration scientifique immersive. Télécharge Ecosystème maintenant et commence ton propre voyage à travers le vivant ! "Il n'y a pas de fin, seulement une perpétuelle transformation de la vie."
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.
- 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
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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
Verdict
The clearest difference is rating: Ecosysteme at 4.8 against Cosmic Synthesis's 4.0. Ecosysteme also leads on ads (none vs shown). Cosmic Synthesis's advantage is ratings volume (15 vs 5). On price, update cadence, 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
Both are free to download. Ecosysteme sells 9 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.
Ecosysteme holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 5 and 15 respectively.
Ecosysteme ships an update every 2 weeks, Cosmic Synthesis weekly. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.
| Parameter | Ecosysteme | Cosmic Synthesis |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) — better | 4.0 (15 ratings) |
| Positive reviews | — | 28.6% of reviews |
| Number of ratings | 5 | 15 — better |
| Update frequency | Every 2 weeks | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 396 MB | 161 MB |
| Age rating | 4+ | 4+ |
| Developer | Romain Chauvire | NETBYTE UG (haftungsbeschränkt) |
Customer experience
Ecosysteme
Cosmic Synthesis
In-app purchases
Ecosysteme
- 20 Nanocells$1.99
- Starter pack : 150 nanocells !$2.99
- 100 Nanocells$3.99
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- STOP PUB$4.99
- 225 Nanocells$8.99
- 500 Nanocells$17.99
- 1000 Nanocells$24.99
- 2500 Nanocells$49.99
- 5000 Nanocells$89.99
Cosmic Synthesis
- Premium$1.99
Questions
Is Ecosysteme free?
Is Cosmic Synthesis free?
Which has better reviews, Ecosysteme or Cosmic Synthesis?
Do Ecosysteme or Cosmic Synthesis have ads?
Which is updated more often, Ecosysteme or Cosmic Synthesis?
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