Sky Invaders vs Universe Invader 2
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sky Invaders
Defend Earth from relentless alien invaders as the last Sky Fighter. Obliterate waves of increasingly formidable enemies, strategize your limited firepower, and climb the leaderboard in this fast-paced, retro-style arcade game.
- Defend Earth from alien invaders
- Increasingly challenging enemy waves
- Limited firepower strategy
- Climb the leaderboard
- Fast-paced gameplay
- Retro visuals
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Get ready for an adrenaline-pumping adventure with “Sky Invaders”! Step into the shoes of the last Sky Fighter and defend Earth from an endless onslaught of Invaders. In this thrilling new release, the Invaders are relentless, growing faster and stronger with every wave. Your mission? To obliterate as many Invaders as possible before they breach Earth’s defences. Armed with limited firepower, you’ll need to rely on your wits and strategy to climb the leaderboard. The more formidable the Invader, the higher the points, adding a strategic twist to the high-octane action. With its fast-paced gameplay and retro visuals, “Sky Invaders” will keep you on the edge of your seat as you fight to save the world. Are you ready to take on the challenge and become Earth’s ultimate defender?
Universe Invader 2
Embark on an epic space adventure to defend the galaxy from an alien invasion. This arcade shooter combines classic gameplay with stunning modern graphics, intense battles, and challenging boss fights. Collect power-ups and unlock achievements as you fight to save the universe.
- Stunning galaxy graphics
- Intense alien battles
- Epic boss fights
- Collect power-ups and bonuses
- Unlock achievements and rewards
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Universe Invader 2: Alien War - Get ready for an exciting journey through space! Protect the galaxy from an alien invasion in this fun arcade space shooter game. Step into a thrilling universe full of danger and adventure. Universe Invader 2: Alien War combines the excitement of classic arcade games with modern graphics and features. Each level offers new challenges and surprises to keep you entertained. KEY FEATURES OF THE SPACE SHOOTER GAME: - Amazing Graphics: Explore beautifully designed galaxies that look stunning. - Exciting Battles: Fight fast and intense battles against waves of alien enemies. - Epic Boss Fights: Take on giant alien warships in challenging boss levels. - Power-Ups and Bonuses: Collect special items to improve your ship and win battles. - Achievements and Rewards: Unlock achievements and earn rewards as you progress. The universe’s future depends on you! Every alien you defeat brings you closer to solving the mystery of their attack. Can you uncover their plan and bring peace back to the galaxy? Are you ready to be the hero the galaxy needs? Download Universe Invader 2: Alien War today and join the adventure! Get ready, power up your ship, and start the battle—the galaxy is counting on you!
Screenshots
Verdict
The clearest difference is review sentiment: Universe Invader 2 at 94% against Sky Invaders's 50%. Universe Invader 2 also leads on rating (4.8 vs 1.0) and update cadence (every 5 weeks vs every 23 months). Sky Invaders's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support 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. Universe Invader 2 sells 10 one-off in-app purchases. Sky Invaders asks for nothing beyond the download.
Universe Invader 2 holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Universe Invader 2 has 85 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of Sky Invaders's written reviews are positive against 94% of Universe Invader 2's.
Sky Invaders ships an update every 23 months, Universe Invader 2 every 5 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | Sky Invaders | Universe Invader 2 |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.8 (85 ratings) — better |
| Positive reviews | 50.0% of reviews | 94.1% of reviews — better |
| Number of ratings | 1 | 85 — better |
| Update frequency | Every 23 months | Every 5 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 4 MB | 466 MB |
| Age rating | 4+ | 9+ |
| Developer | Alphaworks | Gcenter |
Customer experience
Sky Invaders
Universe Invader 2
In-app purchases
Sky Invaders
No in-app purchases
Universe Invader 2
- Lucky Clover's Offer 1$0.99
- Bundle Vip 2$0.99
- Bundle Vip 1$0.99
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- Starter Pack$0.99
- Instant Rank Up 2$1.99
- Ruby Offer 1$1.99
- Ruby Offer 2$4.49
- Gold 3$4.99
- Combo Ruby And Gold$4.99
- Ruby Offer 3$5.99
Questions
Is Sky Invaders free?
Is Universe Invader 2 free?
Which has better reviews, Sky Invaders or Universe Invader 2?
Do Sky Invaders or Universe Invader 2 have ads?
Which is updated more often, Sky Invaders or Universe Invader 2?
Other comparisons
