Asteroid Factorizer Math 2 vs Zarsthor
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
Asteroid Factorizer Math 2
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* Reduce and destroy asteroids headed our way * Each asteroid is associated with a number that has 2 or more factors * Missiles with specific payloads can be used to reduce/destroy the asteroid by factoring * Select from a variety of Campaigns, over 100. See the parameters of the campaign. Parameters of the Asteroids, Spaceships, Scoring, etc. * Select from different difficulty levels ..... to match you math skills eh? * Make use of the different kind of Missile types * Balance the use of the Missile Resources to obtain the highest score * Play advanced campaigns which have multiple ships * Proceed through different waves with increasing levels of difficulty as you keep destroying asteroids. Speed and number of asteroids increase * Use in game power-ups to help you out * Keeps track of statistics Total/Average/Highest for games Score across the campaigns and across the Levels within a campaign Happy Factorizing!
Zarsthor
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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
Verdict
The clearest difference is update cadence: Asteroid Factorizer Math 2 at every 3 days against Zarsthor's every 12 months. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Asteroid Factorizer Math 2 ships an update every 3 days, Zarsthor every 12 months. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.
| Parameter | Asteroid Factorizer Math 2 | Zarsthor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days โ better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 13.0 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 198 MB | 48 MB |
| Age rating | 4+ | 12+ |
| Developer | Ralph DMello | Dominik Babiarz |
In-app purchases
Asteroid Factorizer Math 2
No in-app purchases
Zarsthor
No in-app purchases
Questions
Is Asteroid Factorizer Math 2 free?
Is Zarsthor free?
Do Asteroid Factorizer Math 2 or Zarsthor have ads?
Which is updated more often, Asteroid Factorizer Math 2 or Zarsthor?
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