Comparison

Alien Robot Defender Free vs Alien Attack

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

Head to head
About

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.

Highlights
  • Classic side-scrolling gameplay
  • Battle alien robots
  • Unlock new levels
  • High score challenges
  • Master 40 levels
  • Sharp shooter bonus
Features
Read full description

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

About

Alien Attack

Control a rapidly evolving alien lifeform and conquer Earth. Consume humans to grow stronger, unlock new mutations, and dominate every battlefield. Upgrade your abilities and spread your alien domination across the planet.

Highlights
  • Evolve alien lifeform
  • Consume humans for energy
  • Unlock new mutations and powers
  • Action-packed battles
  • Upgrade abilities
  • Conquer world locations
Features
Read full description

Earth has become your hunting ground. Control a rapidly evolving alien lifeform, consume humans, and grow stronger with every invasion. Every battle makes you stronger. Every evolution unlocks new powers. Every city brings fresh prey. EVOLVE YOUR ALIEN Unlock powerful mutations, increase your strength, and transform into the ultimate lifeform. DEVOUR EVERYTHING Humans are your food. Hunt them down, consume them, and use their energy to grow even stronger. ACTION-PACKED GAMEPLAY Fight endless waves of enemies, destroy everything in your way, and dominate every battlefield. UPGRADE & MUTATE Discover new abilities, improve your attacks, and create unstoppable mutation combinations. CONQUER THE WORLD Invade new locations, face stronger enemies, and spread your alien domination across the planet. The invasion has begun. How far can your evolution go?

Screenshots

Alien Robot Defender Free4 screens
Alien Attack4 screens

Verdict

The call

The clearest difference is ads: Alien Robot Defender Free at none against Alien Attack's shown. Alien Robot Defender Free also leads on review sentiment (80% vs 67%) and monetization model (free vs ad-supported). Alien Attack's advantage is update cadence (daily vs every 50 months) and rating (4.0 vs 3.7). On price, ratings volume, 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.

ReceptionRating · Positive reviews · Number of ratings

Alien Attack holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews complicate that: 80% of Alien Robot Defender Free's written reviews are positive against 67% of Alien Attack's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Alien Robot Defender Free ships an update every 50 months, Alien Attack daily. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

Scorecard6 real differences · 4 level
Alien Robot Defender Free versus Alien Attack: the parameters behind the verdict, then further details
ParameterAlien Robot Defender FreeAlien Attack
PriceFreeFree
Rating3.7 (3 ratings)4.0 (3 ratings) — better
Positive reviews80.0% of reviews — better66.7% of reviews
Number of ratings33
Update frequencyEvery 50 monthsDaily — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.0
Further details — not scored
Size13 MB180 MB
Age rating4+12+
DeveloperMike HempflingHAPPY GAME COMPANY TEKNOLOJI ANONIM SIRKETI

Customer experience

Alien Robot Defender Free

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Alien Attack

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

None

Alien Robot Defender Free

No in-app purchases

None

Alien Attack

No in-app purchases

Questions

Is Alien Robot Defender Free free?
Alien Robot Defender Free is free to download, with no in-app purchases.
Is Alien Attack free?
Alien Attack is free to download, with no in-app purchases.
Which has better reviews, Alien Robot Defender Free or Alien Attack?
Alien Attack is rated higher. Alien Robot Defender Free averages 3.7 out of 5 from 3 ratings, while Alien Attack averages 4.0 from 3 ratings.
Do Alien Robot Defender Free or Alien Attack have ads?
Alien Attack shows ads; Alien Robot Defender Free does not.
Which is updated more often, Alien Robot Defender Free or Alien Attack?
Alien Robot Defender Free ships an update every 50 months, and Alien Attack daily. Most recently, Alien Robot Defender Free was updated on September 28, 2026 and Alien Attack on September 18, 2026.

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