Zetta Force 7 vs Sky Invasion
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zetta Force 7
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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.
Sky Invasion
Pilot a variety of aircraft, each with unique upgrades and weapons, to defend Earth from monstrous enemy planes. Engage in epic boss battles, collect and upgrade your fleet, and compete for the top spot on the leaderboard in this classic shoot-em-up.
- Dozens of aircraft with unique upgrades
- Variety of weapons and ultimate moves
- Epic boss battles
- Unlock and upgrade planes
- Leaderboard challenges
- Classic shoot-em-up gameplay
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You are the earth’s last defence force with dozens of different aircraft for you to choose from—from fighter jets to cutesy looking ones! All with their own unique upgrades, weapons, bullets and even an ultimate move to use at your disposal. Use a variety of different weapons to get the advantage and become the Earth’s last defence force in epic boss battles! The enemy forces are led by truly monstrous-looking planes with different combat abilities! Rescue and gather your forces to overwhelm the enemy in this classic shoot-em-up plane game. [Game Features]: ? Easy and Fun Easy to learn and play; use your plane’s special ultimate as auto shooting is permanent! ? Unlock and upgrade your planes Collect and upgrade a variety of different lands to use as you progress through the game. This will bring in some unique gameplay elements and more strategic options the more you play. ? Exciting Gameplay Use a variety of different weapons to score higher. Combine different weapon combos to unlock a special rarity for the staggooge. ? Conquer the leaderboard Challenge your friends by scoring the highest in various challenges. Ascend to the top and become the very best! ? Be the Earth’s last defense force Defeat those who would stand in your way to achieve victory! Ascend to the top and become the very best!
Screenshots
Verdict
The clearest difference is in-app purchases: Zetta Force 7 at none against Sky Invasion's 10. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sky Invasion sells 10 one-off in-app purchases. Zetta Force 7 asks for nothing beyond the download.
| Parameter | Zetta Force 7 | Sky Invasion |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 27 months | — |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 136 MB | 281 MB |
| Age rating | 9+ | 12+ |
| Developer | Galatic Droids | U8Space Sdn. Bhd. |
In-app purchases
Zetta Force 7
No in-app purchases
Sky Invasion
- Mini Pack$0.99
- Booster Bundle$0.99
- Small Pack$1.99
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- Weekly Bundle$2.99
- Big Pack$3.99
- Bronze Pack$5.99
- Silver Pack$8.99
- Gold Pack$12.99
- Crystal Pack$19.99
- Diamond Pack$29.99
Questions
Is Zetta Force 7 free?
Is Sky Invasion free?
Do Zetta Force 7 or Sky Invasion have ads?
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