Comparison

Alien Attack vs UAPD

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

Head to head
About

Alien Attack

Lead an alien entity in an idle survival game to conquer the planet by consuming humans and evolving your army. Face formidable bosses and complete quests in exhilarating arcade action.

Highlights
  • Eternal Evolution upgrades
  • Exhilarating arcade gameplay
  • Epic boss battles
  • Progression and exploration
  • Consume humans to grow army
Features
Read full description

Do you like survival rpg adventure games or maybe role playing fun idle games? Introducing "Alien Attack: Idle Arcade Game," the ultimate invasion idle survival game that will immerse you in a thrilling world of conquest and evolution. Take command of an alien entity on a quest for supremacy, consuming idle humans to grow your army and assert dominance over the planet. But beware, formidable bosses stand in your path, challenging your strategic prowess and evolutionary adaptability. Key Features: · Eternal Evolution: Defeat idle humans to unlock evolutionary upgrades for your alien overlord. Enhance its capacity, attack speed, and catching radius to efficiently devour your foes and leave no survivors. · Exhilarating Arcade Gameplay: Immerse yourself in fast-paced, arcade-style action that keeps you engaged and entertained. Experience the adrenaline rush as you lead your alien army to victory against waves of human invaders. · Epic Boss Battles: Test your skills in thrilling encounters against powerful bosses. Adapt your strategies and evolve your alien to emerge victorious and claim your dominance. · Progression and Exploration: Complete quests, unlock new locations, and face untamed enemies as you progress through levels of increasing difficulty. Immerse yourself in stunning visuals and sound as you explore the expansive world of Alien Attack: Idle Arcade Game. Are you ready to embrace your inner alien and dominate the planet, or will you succumb to the relentless onslaught of humanity? Download "Alien Attack: Idle Arcade Game" now and prove your dominance in the face of the human threat! Prepare for an epic adventure unlike any other, where survival depends on your strategic cunning and evolutionary prowess. Privacy Policy: https://playgenes.com/docs/privacy_policy_en.html Terms of Service: https://playgenes.com/docs/terms_of_service_en.html

About

UAPD

Pilot a UFO to abduct cows from rural America while evading federal agents, helicopters, and police. Utilize different UFO types and mechanics like crop circles to distract pursuers and maintain your cover.

Highlights
  • Abduct cows with tractor beam
  • Evade federal agents and helicopters
  • Three distinct UFO archetypes
  • Create crop circle distractions
  • Global leaderboard
  • No accounts or tracking
Features
Read full description

UAP/D — UNIDENTIFIED AERIAL PHENOMENA DETECTED You're piloting an unmarked saucer over rural America. Your mission: extract every cow. Their mission: pretend everything is normal. Hover, line up the tractor beam, hold to lock — but stay out of every cone of vision on the map. Federal agents walk the fields. Helicopters circle overhead. Local police patrol the back roads. Get spotted and the threat meter climbs; max it out and your cover is blown. Three UFO archetypes to fly: HORNET (fast, short beam), STARLIGHT (balanced, mid-range), GREYHOUND (slow, long beam, deep reserves). Each handles differently and changes how you approach a level. MECHANICS - Hold BEAM to abduct cows - Hold OVERDRIVE to outrun a chase — but only as long as your reactor lasts - Hold CROP to trace a crop circle. Any agent that walks into a completed circle latches onto it, broadcasts the location, and pulls the whole investigation toward it. Free distraction. ESCALATION Levels add agents, helicopters, watchtowers, and aggressive AI. Witness photographs appear in the corner each time someone spots you — collect too many and the mission ends. Submit your initials to the global leaderboard or skip and try again. No accounts. No tracking. Just you, the cows, and an increasingly hostile rural night.

Screenshots

Alien Attack4 screens
UAPD4 screens

Verdict

The call

The clearest difference is rating: UAPD at 5.0 against Alien Attack's 4.5. UAPD also leads on in-app purchases (none vs 18) and ads (none vs shown). Alien Attack's advantage is ratings volume (11 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence 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. Alien Attack sells 16 one-off in-app purchases. UAPD asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

UAPD holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Alien Attack has 11 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Alien Attack ships an update every 3 months, UAPD every 5 months. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Alien Attack versus UAPD: the parameters behind the verdict, then further details
ParameterAlien AttackUAPD
PriceFreeFree
Rating4.5 (11 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings11 — better1
Update frequencyEvery 3 months — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.0
Further details — not scored
Size381 MB505 MB
Age rating12+4+
DeveloperP.D. PLAYGENES INTERNATIONAL LIMITEDRichard Blundell

Customer experience

Alien Attack

All ratings10 ratings
Positive80.0%
Neutral20.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

UAPD

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

In-app purchases

16 purchases

Alien Attack

One-time16
  • Ads Blocker$0.99
  • Pearl keys$1.99
  • One-time offer!2 variants$2.99
Show 13 more
  • One-time offer!$3.99
  • Pile of Gems$4.99
  • One-time offer!$4.99
  • One-time offer!$5.99
  • One-time offer!$6.99
  • Heap of Gems$9.99
  • One-time offer!$9.99
  • One-time offer!2 variants$11.99
  • One-time offer!$12.99
  • One-time offer!$14.99
  • One-time offer!$19.99
  • One-time offer!$29.99
  • One-time offer!$69.99
None

UAPD

No in-app purchases

Questions

Is Alien Attack free?
Alien Attack is free to download, with in-app purchases available.
Is UAPD free?
UAPD is free to download, with no in-app purchases.
Which has better reviews, Alien Attack or UAPD?
UAPD is rated higher. Alien Attack averages 4.5 out of 5 from 11 ratings, while UAPD averages 5.0 from 1 ratings.
Do Alien Attack or UAPD have ads?
Alien Attack shows ads; UAPD does not.
Which is updated more often, Alien Attack or UAPD?
Alien Attack ships an update every 3 months, and UAPD every 5 months. Most recently, Alien Attack was updated on October 24, 2026 and UAPD on October 24, 2026.

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