Comparison

Star Line Defense vs CosmoGen

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

Head to head
About

Star Line Defense

Engage in a fun strategy defense game where you build towers to prevent enemies from reaching your fortress. Upgrade equipment and skills using in-game currency earned by defeating foes. Enjoy gorgeous graphics and constantly updated levels in this free puzzle experience.

Highlights
  • Tower defense gameplay
  • Equipment and skill upgrades
  • Gorgeous graphics
  • Themed levels
  • Constant level updates
  • Free to play
Features
Read full description

Very fun strategy defense game,players need to tower defense defense defense side,and ordinary games,the game features a wealth of simulations,by setting different players to prevent the enemy fortress to enter a restricted number of mistakes,the game you you can upgrade your equipment and upgrade the skills of war,provided you have enough money,do not worry about the inside of the money from the game which can destroy enemy aircraft obtained. smartphone puzzle casual game! dreamy little puzzles! gorgeous graphics and different themed levels! constantly updated with new levels! it's free! To begin Come on!

About

CosmoGen

Features
Read full description

CosmoGen is a premium cosmic civilization simulator where you guide life from its first fragile spark to an interstellar Kardashev Type-II civilization. Begin with a young planet, a microscopic species, and a universe full of uncertainty. As a cosmic overseer, your choices shape the destiny of an evolving civilization across deep time — from primordial survival to advanced technology, social complexity, planetary crisis, and the possibility of reaching the stars. Inspired by real scientific ideas, CosmoGen blends planetary physics, evolution, sociology, technology, and the mystery of the Fermi Paradox into an immersive strategy experience. Guide your civilization through major evolutionary eras, unlock powerful technologies, respond to world-changing events, and survive the Great Filters that may destroy advanced life before it becomes interstellar. Your civilization is not just a number. It has stress, harmony, inequality, trust, population pressure, technological ambition, and environmental limits. Every decision affects its future. Will you build a balanced society, push dangerous technologies too quickly, protect your planet, or risk everything for rapid progress? FEATURES • Guide life from microscopic origins to an advanced space civilization • Experience a procedurally generated planet with habitability, climate, resources, moons, axial tilt, and carrying capacity • Survive Great Filters such as solar super-flares, climate collapse, resource depletion, AI singularity, and cosmic disasters • Make strategic choices through scientific, ethical, and risky paths • Unlock a deep technology tree across Biology, Physics, Society, and Space • Manage population, energy, stress, harmony, technology, and social stability • Watch your civilization evolve through eras inspired by Earth’s deep history • Meet Lumina, an AI companion that provides contextual narrative and scientific explanations • Enjoy a cinematic interface with 3D planets, starfields, particles, aurora gradients, and frosted glass visuals • Designed with accessibility in mind, including dynamic typography, semantic colors, VoiceOver support, and high-contrast visual layers A SCIENTIFICALLY INSPIRED GOD GAME CosmoGen is built around one of the greatest questions in science: Why is the universe so quiet? The game transforms the Fermi Paradox into an interactive journey. Each civilization faces existential challenges that test its intelligence, ethics, resilience, and ability to survive its own progress. Some civilizations collapse before reaching the stars. Others adapt, transform, and rise beyond their home planet. Your choices decide which story will be written. AN EVOLVING COSMIC STORY No two civilizations feel exactly the same. Your planet, your events, your risks, your technologies, and your decisions create a unique timeline every time you play. CosmoGen is a strategy game, a scientific narrative, and a cinematic simulation of life’s greatest challenge: Can intelligence survive long enough to become cosmic?

Screenshots

Star Line Defense4 screens
CosmoGen4 screens

Verdict

The call

The clearest difference is update cadence: CosmoGen at every 3 months against Star Line Defense's every 13 months. Star Line Defense's advantage is iOS requirement (12.0 vs 18.6). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

Star Line Defense ships an update every 13 months, CosmoGen every 3 months. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
Star Line Defense versus CosmoGen: the parameters behind the verdict, then further details
ParameterStar Line DefenseCosmoGen
PriceFreeFree
Rating1.3 (4 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings4 — better—
Update frequencyEvery 13 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.6
Further details — not scored
Size22 MB10 MB
Age rating4+12+
Developer国财 胡pezhman mohammadzadehkordestani

In-app purchases

None

Star Line Defense

No in-app purchases

None

CosmoGen

No in-app purchases

Questions

Is Star Line Defense free?
Star Line Defense is free to download, with no in-app purchases.
Is CosmoGen free?
CosmoGen is free to download, with no in-app purchases.
Do Star Line Defense or CosmoGen have ads?
Neither Star Line Defense nor CosmoGen shows ads.
Which is updated more often, Star Line Defense or CosmoGen?
Star Line Defense ships an update every 13 months, and CosmoGen every 3 months. Most recently, Star Line Defense was updated on October 18, 2026 and CosmoGen on October 25, 2026.

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