Comparison

Zetta Force 7 vs Galaxy Invaders 2

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

Head to head
About

Zetta Force 7

Features
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Zetta Force 7 Annihilation awaits the weak in this retro arcade space shooter. You pilot that last hope of a dying galaxy, the Deuterium Space Fighter. Can you save your Galaxy in this, the last of the great Galaxy Wars. Your mighty star ship is heavily armed with the latest experimental weapons and capable of taking an immense pounding from the countless galactic invaders. In fact that's statement is not entirely true, our intelligence estimates the number of enemy forces and organic energy emitters to be 7 Zetta. ( 7 sextillion, 7000000000000000000000, 7 * 10 to power of 21.) You get the picture, that's a lot of invaders! Luckily you have the most powerful fleet of space destroyers in the galaxy at your command. Your ships are capable of taking vast damage, and you have the best weapons in the known universe. Your ship can recharge shields, change weapons mid battle, shoot in several directions at once and collect additional space armour. Will it be enough, download Zetta Force 7 now to find out.

About

Galaxy Invaders 2

Features
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The Galaxy's future is now in your hands. Take control of the spaceship and protect Earth from the galaxy invaders. In this Shoot โ€˜Em up game, you will be facing an increasingly large number of enemies in hazardous environments, and deal with many striker bosses in galaxy. As the game progresses, you will also earn gems to get more powerful spaceships. If you are a big fan of arcade shooting game like galaga, galaxia, galaxian, and galactica with the new modern combat, and want to bring the freedom in the galaxy games, so Galaxy Invaders 2 is perfect game for you. [HOW TO PLAY] - Touch and move to control your spaceship dodge enemy's bullets and attack the enemies. - Collect power-up items to upgrade or change your weapons. - Earn gems to get more powerful spaceships to fight with giant enemies and alien invaders. Get your ship ready in this arcade galaxy invader shooter game!

Screenshots

Zetta Force 74 screens
Galaxy Invaders 24 screens

Verdict

The call

The clearest difference is iOS requirement: Zetta Force 7 at 13.0 against Galaxy Invaders 2's 15.0. On price, update cadence, ads and in-app purchases 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

Zetta Force 7 ships an update every 27 months, Galaxy Invaders 2 every 32 months. The most recent releases landed on May 16, 2026 and September 10, 2026 respectively.

Scorecard1 real difference ยท 5 level
Zetta Force 7 versus Galaxy Invaders 2: the parameters behind the verdict, then further details
ParameterZetta Force 7Galaxy Invaders 2
PriceFreeFree
Update frequencyEvery 27 months โ€” betterEvery 32 months
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size136 MB135 MB
Age rating9+4+
DeveloperGalatic DroidsTaiwei Chiu

In-app purchases

None

Zetta Force 7

No in-app purchases

None

Galaxy Invaders 2

No in-app purchases

Questions

Is Zetta Force 7 free?
Zetta Force 7 is free to download, with no in-app purchases.
Is Galaxy Invaders 2 free?
Galaxy Invaders 2 is free to download, with no in-app purchases.
Do Zetta Force 7 or Galaxy Invaders 2 have ads?
Both Zetta Force 7 and Galaxy Invaders 2 show ads.
Which is updated more often, Zetta Force 7 or Galaxy Invaders 2?
Zetta Force 7 ships an update every 27 months, and Galaxy Invaders 2 every 32 months. Most recently, Zetta Force 7 was updated on May 16, 2026 and Galaxy Invaders 2 on September 10, 2026.

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