Comparison

Alien Conquer vs Zarsthor

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

Head to head
About

Alien Conquer

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Jim approaches the window of his room in the lunar base, the view displays the horizon with the planet earth and satellites cruising around it. In the car, Kate programs the control panel and sets the target, then the engine starts, and propulsion system turns on. The engine stops at the destination and in front of them two lunar dirt towers appear, with holes on all sides and in a path in center whose direction is down. Inside the hive, an ambush awaits them, an endless number of circular alien creatures with bulges all over their bodies pounce on them.

About

Zarsthor

Features
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Space invaders are terrorizing universe, can you become hero and save it? UFO, Aliens need your help, whole galaxy need it. This free game is Retro Arcade endless fun, various gameplay levels, various bosses, enemy, over 7 spaceships to unlock and a lot more, expect it, there is original story. Imagine you got a normal life, one day you want to change it, you are going in universe adventure, why would you do it? What can happen during that travel? Over time game will bring your answers to those questions, in-game hero made decision, to change his life, but why? Checkout original story. An arcade-machine in your pocket. Tap to test your reflex. Various gameplay levels (don't shoot to astronauts, collect something, protect, destroy meteor, and a lot more, 40+ levels) and various bosses to defeat . Open world map (with side and main missions), you decide which one you will take. Hardcore gameplay, this game is hard, it's true arcade, each second can change your life and make your ship piece of parts (there is also easy mode). Imagine tons of glow asteroids, it's just a start. Discover original galactica story in a strange universe. Discover Space Frontier No IAP And a lot more :-} This app is Free to download This is offline, not online game. Best time waster. Download me Twitter: https://twitter.com/DonislawDev Facebook: https://www.facebook.com/DonislawDev-432377923770925/ Wish to help with translate game to other languages? Contact me at: donislawdev@gmail.com Special Thanks to Adam Rucki (Shephard) for making most SFX in this game Special Thanks to Marek Majewski. Special Thanks to www.gamedeveloperstudio.comC:\Users\DonislawDev\AppData\Roaming\Mozilla\Firefox\Profiles\fk7vmmzi.default

Screenshots

Alien Conquer4 screens
Zarsthor3 screens

Verdict

The call

The clearest difference is ads: Zarsthor at none against Alien Conquer's shown. Alien Conquer's advantage is update cadence (every 3 months vs every 12 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Alien Conquer ships an update every 3 months, Zarsthor every 12 months. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

Scorecard2 real differences ยท 4 level
Alien Conquer versus Zarsthor: the parameters behind the verdict, then further details
ParameterAlien ConquerZarsthor
PriceFreeFree
Update frequencyEvery 3 months โ€” betterEvery 12 months
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.212.0 โ€” better
Further details โ€” not scored
Size25 MB48 MB
Age rating4+12+
DeveloperMauricio CarrilloDominik Babiarz

In-app purchases

None

Alien Conquer

No in-app purchases

None

Zarsthor

No in-app purchases

Questions

Is Alien Conquer free?
Alien Conquer is free to download, with no in-app purchases.
Is Zarsthor free?
Zarsthor is free to download, with no in-app purchases.
Do Alien Conquer or Zarsthor have ads?
Alien Conquer shows ads; Zarsthor does not.
Which is updated more often, Alien Conquer or Zarsthor?
Alien Conquer ships an update every 3 months, and Zarsthor every 12 months. Most recently, Alien Conquer was updated on October 26, 2026 and Zarsthor on October 5, 2026.

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