Comparison

Sky Stack vs StackUp

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

Head to head
About

Sky Stack

Features
Read full description

Stack tetromino-style blocks and build the tallest tower you can. Move, rotate, and drop each piece carefully to keep your structure balanced. One wrong move and your tower may collapse! This is not just a stacking game — it's a test of precision, timing, and strategy. FEATURES: - Simple and intuitive controls - Physics-based stacking gameplay - Endless tower building challenge - Stabilizer platforms to support your structure - Limited fails for extra tension - Watch ads to continue once after failure - Global leaderboard competition - Clean and satisfying visual style - Play in English or Turkish HOW TO PLAY: - Move blocks left and right - Rotate pieces to fit perfectly - Hold to drop faster - Build as high as possible How high can you go? Download now and start building your sky tower!

About

StackUp

Tap to stack blocks as high as possible. Precise landings extend your stack, while misses shorten it or cost you a life. Master tight timing and unlock challenging modes for an addictive reflex challenge.

Highlights
  • One-tap gameplay
  • Perfect landing bonuses
  • Score multiplier tiles
  • Multiple difficulty modes
  • Game Center leaderboards
  • Dark and light themes
  • Haptic feedback
  • Offline play
Features
Read full description

Tap. Stack. Climb. A bar slides across the screen. Tap to drop it. Land it clean and your stack grows. Miss the edge and your bar gets shorter. Drop it too far and you lose a life. Simple rules. Tight timing. One screw-up away from disaster. FEATURES - One-tap gameplay the whole game lives in your thumb - Perfect landings grow your bar back and feel incredible - Rare multiplier tiles appear deep in runs 2x, 3x, 5x, 10x your score - 3 difficulty modes with hidden unlocks - Game Center leaderboards for each mode - Dark and light themes - Haptic feedback on every landing - Offline. No account needed. No sign-up. Hidden Modes: The menu bars hide two unlockable modes. Figure out the pattern. Once you unlock Insane, you've earned it one miss and you're done. Remove Ads: Short interstitial after each run. $0.99 one-time purchase removes all ads forever. That's it. No subscriptions, no tiers, no gimmicks. About HAHAHA Games: StackUp is the third game in the HAHAHA Games series small, sharp, hyper-casual games built solo. Check out TapTrap and StickCatch while you're at it. hahaha.dev

Screenshots

Sky Stack4 screens
StackUp4 screens

Verdict

The call

The clearest difference is in-app purchases: Sky Stack at none against StackUp's 1. Sky Stack also leads on iOS requirement (15.0 vs 26.4). On price, ads 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. StackUp sells 1 one-off in-app purchase. Sky Stack asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Sky Stack versus StackUp: the parameters behind the verdict, then further details
ParameterSky StackStackUp
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 days—
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better26.4
Further details — not scored
Size104 MB4 MB
Age rating12+4+
DeveloperMehmet Resat SenelHassen Ahmad

In-app purchases

None

Sky Stack

No in-app purchases

1 purchases

StackUp

One-time1
  • Remove Ads$0.99

Questions

Is Sky Stack free?
Sky Stack is free to download, with no in-app purchases.
Is StackUp free?
StackUp is free to download, with in-app purchases available.
Do Sky Stack or StackUp have ads?
Both Sky Stack and StackUp show ads.

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