Comparison

Invaders vs Alien Swarm 3

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

Head to head
About

Invaders

Defend Earth from descending alien waves by shooting them down before they land. Move your ship side-to-side behind defenses and shoot the top spaceship for bonus points. Experience classic arcade fun in a compact download.

Highlights
  • Shoot waves of aliens
  • Score points
  • Move defender ship
  • Use brick-wall defenses
  • Shoot top spaceship for bonus
Features
Read full description

Invaders - shoot waves of aliens earning as much points as possible. Back in 1978 it swept the world and became a first "killer app" for video game consoles. The game was so successful that in Japan it was attributed to the shortage of 100 yen coins and in 1982 it grossed 3 times more than newly released Start Wars movie. It has been ported to numerous platforms. So why should you give our version a try? We tried to recreate all the fun of the game in a tiny download package. Waves of colorful, funky-looking aliens are descending on Earth, and your mission is shoot them down before they can land. Tilt the phone to move defender ship from side to side, shielding your ship behind the brick-wall defenses. The longer you take to eliminate the aliens, the closer they get to the ground. Shoot down the extraterrestrial spaceship at the top of the screen for extra points. Don't forget to check our Game section for other fun games...

About

Alien Swarm 3

Features
Read full description

If you are a fan of arcade games then you will have already played lots of great space arcade games, well now you can take it to the next level with Alien Swarm 3D. The aliens are invading again, swarming around in dazzling attack patterns. You're task is simple, blow'em all to bits! Can you defeat wave after wave of dazzling alien invaders to save the galaxy. Blast the invaders as they spin and whirl through space in this old school arcade invader game. After 4 fantastic waves you'll get a bonus round, score lots of points to insure you get that next free life. Your ship is equipped with a mega powered blaster, you have unlimited fire power ... unfortunately they do as well! From the golden era of video games we bring this retro arcade game firmly into the 21st century. Its Free so download it now and help defend the galaxy from this band of invading aliens know as Alien Swarm 3D. To control your space ship, pop into the settings screen and choose from tilt action or on screen buttons. Stay calm, don't panic, keep your hair on and you may just survive. Another fabulous shoot'em up from our retro arcade game series.

Screenshots

Invaders2 screens
Alien Swarm 34 screens

Verdict

The call

The clearest difference is update cadence: Invaders at every 6 months against Alien Swarm 3's every 23 months. Invaders also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Invaders ships an update every 6 months, Alien Swarm 3 every 23 months. The most recent releases landed on October 4, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
Invaders versus Alien Swarm 3: the parameters behind the verdict, then further details
ParameterInvadersAlien Swarm 3
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 months — betterEvery 23 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size13 MB67 MB
Age rating9+9+
DeveloperGASP Mobile Games IncGalatic Droids

In-app purchases

None

Invaders

No in-app purchases

None

Alien Swarm 3

No in-app purchases

Questions

Is Invaders free?
Invaders is free to download, with no in-app purchases.
Is Alien Swarm 3 free?
Alien Swarm 3 is free to download, with no in-app purchases.
Do Invaders or Alien Swarm 3 have ads?
Both Invaders and Alien Swarm 3 show ads.
Which is updated more often, Invaders or Alien Swarm 3?
Invaders ships an update every 6 months, and Alien Swarm 3 every 23 months. Most recently, Invaders was updated on October 4, 2026 and Alien Swarm 3 on October 2, 2026.

Other comparisons