Comparison

Alien Run vs Sky Stackers

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

Head to head
About

Alien Run

Become an unstoppable alien invader in this action-packed survival game. Use your tentacle powers to capture fleeing humans and dominate the battlefield in an epic invasion scenario. Experience intense chases and strategic mob control as the ultimate predator.

Highlights
  • Alien invasion gameplay
  • Tentacle attack and capture
  • Mob control
  • Monster run challenges
  • Chase running humans
  • Strategic hunting
Features
Read full description

Alien Run - Tentacle Attack invites you to step into the role of an unstoppable alien invasion force in an epic battle of survival and conquest. In this thrilling alien game, you will experience a unique blend of high-stakes action and strategic mob control as you hunt down and capture fleeing humans. In Alien Run - Tentacle Attack, you are the alien invader wreaking havoc on Earth. Alien invasion has begun, and it’s your mission to attack and find the alien targets hiding among the chaos. Utilize your formidable abilities to move people, ensuring they don't escape your grasp. As humans scatter in fear, your objective is clear: kill it with fire and ensure no one escapes your wrath. Alien Isolation has never been so intense. You’re at the center of the action in this heart-pounding alien shooter running game, where every second counts. Engage in monster run challenges and face off against the most resilient of humans. Each chase is a test of your skills and adaptability in this dynamic alien invasion scenario. Alien Run - Tentacle Attack features a range of exciting gameplay elements: - Alien invasion gameplay that places you in the heart of the action. - Use your tentacle powers to attack and capture humans on the run. - Engage in killing games where you determine who dies first. - Manage mob control and navigate through monster draft scenarios as you - hunt your prey. - Participate in monster games that challenge your strategic and tactical skills. - Chase the running man and ensure no one escapes in this gripping monster run experience. With Alien Run - Tentacle Attack, you’ll find yourself deeply immersed in a running game world where the alien is the ultimate predator. Master the art of stealth and aggression to ensure a successful invasion. Will you dominate the battlefield, or will the humans manage to outwit you? Prepare yourself for an adrenaline-fueled adventure as you play the alien in this exhilarating running game chase. Alien Run - Tentacle Attack is where your alien invasion begins, and the hunt for humanity’s survival ends. Join the alien invasion—Alien Run - Tentacle Attack awaits your command!

About

Sky Stackers

A fast-paced arcade game where players precisely drop blocks to build a tower as high as possible. The challenge increases with height, offering endless score chasing and quick, satisfying stacking sessions.

Highlights
  • One-touch gameplay
  • Endless score chasing
  • Satisfying stacking mechanics
  • Rewarded continues
  • Quick play sessions
Features
Read full description

Sky Stackers is a fast and addictive arcade stacking game where precision and timing matter. Drop blocks carefully, build your tower higher, and keep the stack from collapsing. The higher you climb, the harder it gets. Features: • Simple one-touch gameplay • Endless score chasing • Smooth and satisfying stacking mechanics • Rewarded continues • Premium option to remove ads • Quick sessions, perfect anytime play Can you reach the sky?

Screenshots

Alien Run4 screens
Sky Stackers4 screens

Verdict

The call

The clearest difference is review sentiment: Sky Stackers at 100% against Alien Run's 6%. Sky Stackers also leads on rating (5.0 vs 2.3) and ads (none vs shown). Alien Run's advantage is iOS requirement (13.0 vs 17.0). On price, ratings volume, in-app purchases and monetization model 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 Run sells 17 one-off in-app purchases and Sky Stackers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sky Stackers holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 6% of Alien Run's written reviews are positive against 100% of Sky Stackers's.

UpkeepUpdate frequency

Alien Run ships an update every 9 days, Sky Stackers daily. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Alien Run versus Sky Stackers: the parameters behind the verdict, then further details
ParameterAlien RunSky Stackers
PriceFreeFree
Rating2.3 (3 ratings)5.0 (4 ratings) — better
Positive reviews6.3% of reviews100.0% of reviews — better
Number of ratings34 — better
Update frequencyEvery 9 daysDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size132 MB8 MB
Age rating9+12+
DeveloperHAPPY GAME COMPANY TEKNOLOJI ANONIM SIRKETIZackery Allen

Customer experience

Alien Run

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews32 reviews
Positive6.3%
Neutral12.5%
Negative81.3%

Sky Stackers

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

17 purchases

Alien Run

One-time17
  • Money Bundle 1$0.99
  • Skip It Bundle 1$0.99
  • Special Offer$0.99
Show 14 more
  • 1 day No Ads$0.99
  • Skip It Bundle 2$1.99
  • Skip It Bundle 3$4.99
  • No Ads$4.99
  • Mini Alien$5.99
  • Bundle 1$6.99
  • Bundle 3$6.99
  • Mini Alien + No Ads$8.99
  • Bundle 2$8.99
  • Money Bundle 4$9.99
  • Skip It Bundle 4$9.99
  • Bundle 4$14.99
  • Bundle 5$19.99
  • Bundle 6$39.99
1 purchases

Sky Stackers

One-time1
  • Premium Upgrade$0.99

Questions

Is Alien Run free?
Alien Run is free to download, with in-app purchases available.
Is Sky Stackers free?
Sky Stackers is free to download, with in-app purchases available.
Which has better reviews, Alien Run or Sky Stackers?
Sky Stackers is rated higher. Alien Run averages 2.3 out of 5 from 3 ratings, while Sky Stackers averages 5.0 from 4 ratings.
Do Alien Run or Sky Stackers have ads?
Alien Run shows ads; Sky Stackers does not.
Which is updated more often, Alien Run or Sky Stackers?
Alien Run ships an update every 9 days, and Sky Stackers daily. Most recently, Alien Run was updated on October 24, 2026 and Sky Stackers on October 9, 2026.

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