Zarsthor vs InvaZium
Price, ratings, monetisation and update history for both games, side by side โ with what reviewers say about each.
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
InvaZium
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The planet EKC-567 is being invaded by colorful meteorites, but Korn-67, a small alien, is determined to protect his planet from the invaders. You have to shoot the invading meteorites ready to destroy the planet of Korn-67.
Screenshots
Verdict
The clearest difference is update cadence: InvaZium at every 6 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.
Zarsthor ships an update every 12 months, InvaZium every 6 days. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.
| Parameter | Zarsthor | InvaZium |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | Every 6 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details โ not scored | ||
| Size | 48 MB | 54 MB |
| Age rating | 12+ | 4+ |
| Developer | Dominik Babiarz | Daniel Canete Campos |
In-app purchases
Zarsthor
No in-app purchases
InvaZium
No in-app purchases









