Comparison

Stack 8 vs Marble Slots

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

About

Marble Slots

Features
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Marble Slots is a fun and addictive puzzle game where you tap marbles and send them to the correct slots. Tap a marble to send it upward. If there is a slot with the same color, the marble goes there. If not, it waits in the gray tray at the bottom. Fill a slot with 6 marbles of the same color to complete it. Completed slots close, disappear, and new ones take their place. Be careful — you must finish all slots before the tray fills up to complete the level. Gameplay - Tap marbles and send them to matching slots - If no matching slot is available, marbles wait in the tray - Complete slots by filling them with 6 marbles - Plan your moves carefully to avoid filling the tray Special Mechanics and Features - Elevators generate new marbles as you play - Ice marbles break as marbles are cleared - Hidden marbles are revealed by sending the top marble to a slot - Locked slots require keys to unlock - Magnet booster pulls marbles into correct slots - Skip slot booster helps you bypass difficult slots Challenge System - A hard level appears every 5 stages - Increasing difficulty with more colors and tighter space - Easy to learn, challenging to master Why Marble Slots? - Simple controls with strategic depth - Relaxing yet brain-challenging gameplay - Perfect for quick breaks or long puzzle sessions Match the marbles, clear all the slots, and complete the level before the tray fills up in Marble Slots.

Screenshots

Stack 83 screens
Marble Slots4 screens

Verdict

The call

The clearest difference is in-app purchases: Marble Slots at none against Stack 8's 2. Marble Slots also leads on update cadence (every 3 days vs every 5 months) and iOS requirement (13.0 vs 16.0). Stack 8's advantage is ads (none vs shown). 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. Marble Slots asks for nothing beyond the download.

UpkeepUpdate frequency

Stack 8 ships an update every 5 months, Marble Slots every 3 days. The most recent releases landed on September 28, 2026 and September 6, 2026 respectively.

Scorecard4 real differences · 6 level
Stack 8 versus Marble Slots: the parameters behind the verdict, then further details
ParameterStack 8Marble Slots
PriceFreeFree
Rating4.3 (6 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 5 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size2 MB392 MB
Age rating4+4+
DeveloperTHE RISE COLLECTIONFURTLE GAME OYUN ANIMASYON YAZILIM VE BILISIM TEKNOLOJILERI TICARET ANONIM SIRKETI

In-app purchases

2 purchases

Stack 8

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

Marble Slots

No in-app purchases

Questions

Is Stack 8 free?
Stack 8 is free to download, with in-app purchases available.
Is Marble Slots free?
Marble Slots is free to download, with no in-app purchases.
Do Stack 8 or Marble Slots have ads?
Marble Slots shows ads; Stack 8 does not.
Which is updated more often, Stack 8 or Marble Slots?
Stack 8 ships an update every 5 months, and Marble Slots every 3 days. Most recently, Stack 8 was updated on September 28, 2026 and Marble Slots on September 6, 2026.

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