Comparison

UFO Annihilator vs Alien

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

Head to head
About

UFO Annihilator

Blast through waves of alien spaceships in a timed challenge. Compete against your own high scores and climb the leaderboards to become the ultimate space invader. Experience intense galactic combat.

Highlights
  • Space-blasting frenzy
  • Obliterate spaceships
  • Timed challenges
  • High score tracking
  • Leaderboard competition
Features
Read full description

Aliens are invading! Tap fast, think faster, and blast them out of the sky! UFO Annihilator is a fast-paced arcade shooter where every second counts. Take down waves of incoming UFOs, chain together explosive combos, and race the clock across four increasingly brutal levels before facing down a boss battle finale. HOW TO PLAY Tap UFOs to destroy them and rack up points Grab the blue clock for bonus time, but watch out for the red one! Drop a bomb to clear the skies around you Deploy an auto-firing turret to thin the swarm Freeze the action with an ice cube when things get too hectic ARMORED ENEMIES As your score climbs, tougher UFOs start showing up: tinted orange, red, and (rarely) purple. The brighter the color, the more hits it takes to bring it down. Keep tapping! FOUR LEVELS + A BOSS BATTLE Survive Level 1 through Level 4, each wave faster and more relentless than the last, then take on the Boss Battle. Chip its health bar down to zero to win. Chase your high score across every run Simple one-tap controls, endless replayability A quick in-game tutorial gets you playing in seconds UFO Annihilator is free to play and supported by ads between levels. Prefer an uninterrupted run? A one-time purchase removes ads completely. Ready to defend the skies? Download now and start annihilating.

About

Alien

Pilot a flying saucer and use a tractor beam to abduct animals and humans in an endless arcade adventure. Dodge obstacles and other aircraft to survive and achieve a higher score. Track your progress with detailed statistics and compete globally on leaderboards.

Highlights
  • Endless arcade gameplay
  • Abduct humans and animals
  • Dodge planes and obstacles
  • Detailed statistics tracking
  • Global leaderboards
  • Simple controls
Features
Read full description

The wildlife are not safe... and neither are the humans! Take control of an alien being and pilot your flying saucer across the skies in an endless abduction adventure. Abduct as many animals and humans as you can with your tractor beam while dodging planes, obstacles, and the terrain below. The longer you survive, the higher your score climbs! Features: • Fast-paced, endless arcade gameplay • Abduct humans, animals, and special creatures to improve your score • Avoid planes, obstacles, and crashing into the ground • Detailed stats page that tracks everything you've beamed aboard • Compete with players around the world through Game Center leaderboards • Simple controls that are easy to learn How long can you keep your spacecraft in the air? Start abducting and climb to the top of the leaderboard!

Screenshots

UFO Annihilator3 screens
Alien4 screens

Verdict

The call

The clearest difference is monetization model: Alien at free against UFO Annihilator's paid. Alien also leads on ads (none vs shown). On price, rating, ratings volume and update cadence 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

On the App Store both sit at effectively the same score — 5.0 for UFO Annihilator against 5.0 for Alien. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

UFO Annihilator ships an update every 6 days, Alien every 10 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
UFO Annihilator versus Alien: the parameters behind the verdict, then further details
ParameterUFO AnnihilatorAlien
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings12 — better
Update frequencyEvery 6 days — betterEvery 10 days
AdsYesNo — better
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone
Requires iOS16.4 — better17.6
Further details — not scored
Size34 MB72 MB
Age rating9+12+
DeveloperLinda FelgenhauerAmrit Banga

Customer experience

UFO Annihilator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Alien

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

UFO Annihilator

No in-app purchases

None

Alien

No in-app purchases

Questions

Is UFO Annihilator free?
UFO Annihilator is free to download, with no in-app purchases.
Is Alien free?
Alien is free to download, with no in-app purchases.
Which has better reviews, UFO Annihilator or Alien?
UFO Annihilator and Alien are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do UFO Annihilator or Alien have ads?
UFO Annihilator shows ads; Alien does not.
Which is updated more often, UFO Annihilator or Alien?
UFO Annihilator ships an update every 6 days, and Alien every 10 days. Most recently, UFO Annihilator was updated on October 7, 2026 and Alien on October 14, 2026.

Other comparisons