Comparison

Zetta Force 7 vs inSpace defender

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

inSpace defender

Features
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Are you ready to unleash your fury? Are you up for the challenge to destroy enemy fleets? Are you prepared for incoming forces? If at least one answer is Yes grab your gear and bring it on. Fly through infinite space with your X class gunship. Tilt your device to control your ship. Collect coins, multipliers and upgrade your beloved ship on the fly. But be carefull. The enemy will upgrade its fighters, gunships, destroyers and cruisers to match your strength. Any upgrade will fully restore your ship's shield so it is advised to upgrade when you reach low shield pool. How far will you get with your skill and luck? Show me and your friends. Good luck.

Screenshots

Zetta Force 74 screens
inSpace defender4 screens

Verdict

The call

Zetta Force 7 and inSpace defender are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, inSpace defender every 23 months. The most recent releases landed on May 16, 2026 and September 8, 2026 respectively.

ScorecardNo meaningful differences
Zetta Force 7 versus inSpace defender: the parameters behind the verdict, then further details
ParameterZetta Force 7inSpace defender
PriceFreeFree
Update frequencyEvery 27 monthsEvery 23 months โ€” better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple TV โ€” better
Requires iOS13.012.1 โ€” better
Further details โ€” not scored
Size136 MB50 MB
Age rating9+9+
DeveloperGalatic DroidsTomasz Soroka

In-app purchases

None

Zetta Force 7

No in-app purchases

None

inSpace defender

No in-app purchases

Questions

Is Zetta Force 7 free?
Zetta Force 7 is free to download, with no in-app purchases.
Is inSpace defender free?
inSpace defender is free to download, with no in-app purchases.
Do Zetta Force 7 or inSpace defender have ads?
Both Zetta Force 7 and inSpace defender show ads.
Which is updated more often, Zetta Force 7 or inSpace defender?
Zetta Force 7 ships an update every 27 months, and inSpace defender every 23 months. Most recently, Zetta Force 7 was updated on May 16, 2026 and inSpace defender on September 8, 2026.

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