Comparison

Stack 8 vs Merge'n Defense

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

Head to head
About

Stack 8

Tap to perfectly stack pixels in this endless challenge. One mistake means losing a pixel. Test your reflexes and precision to keep stacking.

Highlights
  • Endless gameplay
  • Precise tapping mechanics
  • Pixel stacking challenge
  • Reflex and precision testing
  • Simple one-tap controls
Features
Read full description

Stack 8 is endless! Tap to stack your pixels perfectly. One bad move and a pixel is gone. Stay sharp and keep stacking!

About

Merge'n Defense

Engage in a strategic tower defense experience that combines merge mechanics with action. Defend your castle by merging obstacles to enhance their power and unlock abilities. Explore new levels and strategies in this visually appealing game.

Highlights
  • Merge mechanics for stronger defenses
  • Strategic obstacle placement
  • Action-packed tower defense gameplay
  • Unlock special abilities
  • Evolving game with new levels
  • Stunning graphics
Features
Read full description

Merge'n Defense is not just another tower defense game. It's a unique blend of strategy, action, and merge mechanics that will keep you on your toes. Defend your castle from the mad onslaught of enemies by strategically placing obstacles and wielding powerful weapons. As you progress, merge obstacles to make them stronger and unlock special abilities through level-ups. But that's not all! The game evolves as you play, inviting you to try new strategies and unlock new levels. The stunning graphics and awesome gameplay will keep you hooked. Whether you're a fan of tower defense games or new to the genre, you'll love the challenge and excitement Merge'n Defense brings. So, are you ready to start your adventure? Download Merge'n Defense now and let the battles begin!

Screenshots

Stack 83 screens
Merge'n Defense4 screens

Verdict

The call

The clearest difference is review sentiment: Stack 8 at 80% against Merge'n Defense's 0%. Stack 8 also leads on rating (4.3 vs 1.0) and ads (none vs shown). Merge'n Defense's advantage is in-app purchases (none vs 2) and update cadence (every 9 days vs every 5 months). On price 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. Stack 8 sells 2 one-off in-app purchases. Merge'n Defense asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stack 8 holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 80% of Stack 8's written reviews are positive against 0% of Merge'n Defense's.

UpkeepUpdate frequency

Stack 8 ships an update every 5 months, Merge'n Defense every 9 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

Scorecard8 real differences · 2 level
Stack 8 versus Merge'n Defense: the parameters behind the verdict, then further details
ParameterStack 8Merge'n Defense
PriceFreeFree
Rating4.3 (6 ratings) — better1.0 (2 ratings)
Positive reviews80.0% of reviews — better0.0% of reviews
Number of ratings6 — better2
Update frequencyEvery 5 monthsEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size2 MB140 MB
Age rating4+12+
DeveloperTHE RISE COLLECTIONAli Said Yuksel

Customer experience

Stack 8

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Merge'n Defense

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

2 purchases

Stack 8

One-time2
  • Unlock All$1.99
  • Remove Ads$1.99
None

Merge'n Defense

No in-app purchases

Questions

Is Stack 8 free?
Stack 8 is free to download, with in-app purchases available.
Is Merge'n Defense free?
Merge'n Defense is free to download, with no in-app purchases.
Which has better reviews, Stack 8 or Merge'n Defense?
Stack 8 is rated higher. Stack 8 averages 4.3 out of 5 from 6 ratings, while Merge'n Defense averages 1.0 from 2 ratings.
Do Stack 8 or Merge'n Defense have ads?
Merge'n Defense shows ads; Stack 8 does not.
Which is updated more often, Stack 8 or Merge'n Defense?
Stack 8 ships an update every 5 months, and Merge'n Defense every 9 days. Most recently, Stack 8 was updated on October 7, 2026 and Merge'n Defense on October 3, 2026.

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