Alien Robot Defender Free vs Alien Swarm 3
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Alien Robot Defender Free
Engage in a classic side-scrolling shooter, defending against waves of alien robots. Strategically shoot invaders to unlock new levels and achieve high scores. Different robot behaviors add to the challenge.
- Classic side-scrolling gameplay
- Battle alien robots
- Unlock new levels
- High score challenges
- Master 40 levels
- Sharp shooter bonus
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This is a classic side scrolling game where you battle with alien robots. The goal of the game is to shoot as many of the invading robots as you can to unlock the next level and get a high score. The different colored robots move in different ways which make it more difficult to shoot them. + Easy to use controls + Master 40 different challenging levels + Sharp shooter bonus star + Shoot alien robots so you can unlock new levels
Alien Swarm 3
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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
Verdict
The clearest difference is ads: Alien Robot Defender Free at none against Alien Swarm 3's shown. Alien Robot Defender Free also leads on iOS requirement (6.0 vs 13.0). Alien Swarm 3's advantage is update cadence (every 23 months vs every 50 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Alien Robot Defender Free ships an update every 50 months, Alien Swarm 3 every 23 months. Both last shipped on November 1, 2026.
| Parameter | Alien Robot Defender Free | Alien Swarm 3 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 50 months | Every 23 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 13 MB | 67 MB |
| Age rating | 4+ | 9+ |
| Developer | Mike Hempfling | Galatic Droids |
In-app purchases
Alien Robot Defender Free
No in-app purchases
Alien Swarm 3
No in-app purchases
Questions
Is Alien Robot Defender Free free?
Is Alien Swarm 3 free?
Do Alien Robot Defender Free or Alien Swarm 3 have ads?
Which is updated more often, Alien Robot Defender Free or Alien Swarm 3?
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