Comparison

Stack Pop vs Slime Merge

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

Head to head
About

Stack Pop

Features
Read full description

STACK POP - The addictive color-matching puzzle that's easy to learn but impossible to put down! HOW TO PLAY Tap to drop colored blocks onto the grid. Match 4 or more connected blocks of the same color to pop them and score points. Build chain reactions for massive combo multipliers! FEATURES - Simple one-tap gameplay - drop blocks with a single tap - Match 4+ connected blocks to pop them - Chain combos for explosive score multipliers - Strategic bomb blocks clear entire color groups - Progressive difficulty - blocks drop faster as you level up - Danger zone warnings keep you on your toes - Persistent high score tracking - beat your best! - Two stunning visual themes to choose from DUAL THEMES Switch between Modern and Retro modes anytime: MODERN - Sleek gradients, smooth animations, and a synthwave-inspired aesthetic with animated starfields and neon cityscapes. RETRO - Classic pixel-perfect visuals with chunky blocks and nostalgic arcade vibes for old-school puzzle fans. STRATEGIC DEPTH Easy to pick up, hard to master. Plan your drops carefully, set up chain reactions, and use bomb blocks strategically to survive as long as possible. Each level increases the challenge with more blocks dropping at once! PURE PUZZLE FUN No ads interrupting gameplay. No pay-to-win mechanics. Just you, the blocks, and your reflexes. Stack Pop is the perfect game for quick sessions or extended puzzle marathons. Download now and see how high you can score!

About

Slime Merge

Features
Read full description

Drop. Merge. Squish! Slime Merge is the cutest, most satisfying drop-and-merge game around. Drop adorable slimes into the bowl, line up two of the same, and watch them merge into a bigger, wobblier blob. Easy to learn, impossible to put down. HOW TO PLAY - Tap to drop a slime - Two matching slimes merge into the next one up - Keep merging and don't let the bowl overflow - Chase the biggest slime and your highest score WHY YOU'LL LOVE IT - Oddly satisfying, squishy soft-body slimes that jiggle, pop and gooey-merge - Relaxing one-hand play, perfect for chilling out or killing time - Discover rare mutation slimes with special looks - Power-ups to clear space and pull off huge combos - Climb the Game Center leaderboard and beat your friends - Free to play, pick up and play anytime Every merge feels good. Every drop counts. Can you reach the final slime and top the leaderboard? Drop your first slime now!

Screenshots

Stack Pop4 screens
Slime Merge4 screens

Verdict

The call

The clearest difference is update cadence: Slime Merge at every 3 days against Stack Pop's weekly. Slime Merge also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Stack Pop ships an update weekly, Slime Merge every 3 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

Scorecard2 real differences ยท 4 level
Stack Pop versus Slime Merge: the parameters behind the verdict, then further details
ParameterStack PopSlime Merge
PriceFreeFree
Update frequencyWeeklyEvery 3 days โ€” better
AdsYesYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.017.0 โ€” better
Further details โ€” not scored
Size97 MB80 MB
Age rating4+12+
DeveloperSteven CachiaFabian Mehlhorn

In-app purchases

None

Stack Pop

No in-app purchases

None

Slime Merge

No in-app purchases

Questions

Is Stack Pop free?
Stack Pop is free to download, with no in-app purchases.
Is Slime Merge free?
Slime Merge is free to download, with no in-app purchases.
Do Stack Pop or Slime Merge have ads?
Both Stack Pop and Slime Merge show ads.
Which is updated more often, Stack Pop or Slime Merge?
Stack Pop ships an update weekly, and Slime Merge every 3 days. Most recently, Stack Pop was updated on October 8, 2026 and Slime Merge on October 17, 2026.

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