Comparison

Stack Attack!! vs Mini Merge Champions

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

Head to head
About

Stack Attack!!

Engage in intense battles against waves of enemies, strategically demolishing their formations with powerful weapons. Upgrade your capabilities by selecting the best skills to protect the cube world from a malevolent hex invasion.

Highlights
  • Defeat enemy waves
  • Demolish enemy stacks
  • Upgrade skills
  • Save the cube world
  • Space invader gameplay
Features
Read full description

Defeat waves of enemies! Use your weapons to demolish the enemies' stacks! Choose the best skills to upgrade your power! Save the cube world from the evil hexes!

About

Mini Merge Champions

Merge heroes to build a powerful squad and engage in strategic real-time battles. Unleash unique champion abilities, upgrade your team, and face challenging bosses and roguelike trials. This puzzle-combat hybrid offers deep strategy and explosive action.

Highlights
  • Strategic hero merging
  • Real-time puzzle-combat
  • Unique champion abilities
  • Hero upgrades and progression
  • Epic boss fights
  • Roguelike Tower of Trials
  • Limited-time Piggy Dungeon
Features
Read full description

Merge! Battle! Explore! Survive!
 Step into the fast-paced, brain-tickling world of Mini Merge Champions—a thrilling blend of strategy, puzzle, and action where every move can mean victory or defeat! Strategic Merge Meets Epic Combat Build your squad by merging heroes on the battlefield. Smarter formations win tougher battles—are you clever enough to crack the perfect lineup? - Think fast, merge faster: Upgrade your heroes! - Every move counts in this real-time puzzle-combat hybrid. Heroic Battles & Unique Abilities Unleash a roster of diverse champions, each with wild, game-changing abilities! From fire-wielding warriors to support heroes that turn the tide, your choices define your strategy. - Create deadly synergies and custom battle styles. - Deploy heroes with tactical ultimates to crush waves of enemies. Find & Upgrade Legendary Heroes Earn chests full of surprises and unlock new champions, each with their own skills and upgrade paths. - Constantly power up your team. - Discover rare, epic, legendary heroes and max out their potential. Epic Boss Fights & Wild Enemies Face off against monstrous bosses and unpredictable enemy squads in high-stakes combat encounters. Only the strongest strategies survive! - Battle evolving enemies with randomized attack patterns. - Outsmart tricky bosses. Tower of Trials: Roguelike Chaos Climb the Tower—a roguelike gauntlet of increasingly difficult floors with random buffs and rewards. - Each run is unique: Different modifiers every floor. - Outstanding rewards for conquering each tier. Piggy Dungeon: Gold Rush Time! Enter the Piggy Dungeon—a limited-time mode where gold rains and chaos reigns. - High risk, high reward gameplay. - Maximize your haul and fuel massive upgrades. Are you ready to merge your way to glory? From casual strategists to hardcore roguelike fans, Mini Merge Champions offers a constantly evolving battlefield full of decisions, depth, and explosive action. Download now and become the ultimate Merge Champion!

Screenshots

Stack Attack!!4 screens
Mini Merge Champions4 screens

Verdict

The call

The clearest difference is update cadence: Mini Merge Champions at every 5 days against Stack Attack!!'s every 2 weeks. On price, rating, review sentiment and ratings volume 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 Attack!! sells 19 one-off in-app purchases and Mini Merge Champions sells 18 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Stack Attack!! against 4.2 for Mini Merge Champions. Both are backed by a comparable volume of ratings — 403 and 1.1K respectively. Written reviews are what separate them: 23% of Stack Attack!!'s written reviews are positive against 29% of Mini Merge Champions's.

UpkeepUpdate frequency

Stack Attack!! ships an update every 2 weeks, Mini Merge Champions every 5 days. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
Stack Attack!! versus Mini Merge Champions: the parameters behind the verdict, then further details
ParameterStack Attack!!Mini Merge Champions
PriceFreeFree
Rating4.3 (403 ratings) — better4.2 (1.1K ratings)
Positive reviews23.2% of reviews29.4% of reviews — better
Number of ratings4031.1K — better
Update frequencyEvery 2 weeksEvery 5 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.2
Further details — not scored
Size247 MB407 MB
Age rating12+12+
DeveloperVoodooPopcore GmbH

Customer experience

Stack Attack!!

All ratings403 ratings
Positive82.6%
Neutral4.2%
Negative13.2%
Written reviews155 reviews
Positive23.2%
Neutral13.5%
Negative63.2%

Mini Merge Champions

All ratings1,082 ratings
Positive78.0%
Neutral7.3%
Negative14.7%
Written reviews218 reviews
Positive29.4%
Neutral18.3%
Negative52.3%

User reviews

Stack Attack!!

From 403 App Store ratings

What we love

  • 👍 Simple and fun gameplay
  • 🚀 No ads or microtransactions
  • 💡 Nice armor upgrade system

Room to improve

  • 🐛 Glitches and bugs, especially after updates
  • 🐛 Progress and upgrades getting reset or lost
  • 🐛 Levels becoming unplayable after a certain point

Mini Merge Champions

From 1.1K App Store ratings

What we love

  • 🎨 Great art and character design
  • 🕹️ Simple and addictive gameplay
  • 🕰️ Quick and easy to pick up
  • 💰 Minimal ads and no pay-to-win

Room to improve

  • 🔄 Frequent and detrimental updates
  • 🤖 Poor AI and auto-battle mechanics
  • 🔒 Progression-blocking daily missions
  • 🔍 Lack of transparency on drop rates

Bugs and requests

Stack Attack!!

Reported bugs

3 issues
  • Enemies' health scaling with player's attack power
  • Levels freezing or getting stuck at checkpoints
  • Weapon and upgrade levels getting downgraded randomly

Requested features

3 requests
  • Mute sound effects option
  • Better communication from developers about updates
  • More content and stages to progress through

Mini Merge Champions

Reported bugs

4 issues
  • Missions not registering progress correctly
  • Troops getting stuck or placed incorrectly
  • Greyed-out screens and tutorial issues
  • Inconsistent in-app purchase functionality

Requested features

4 requests
  • Ability to manually replay previous levels
  • More varied and challenging game modes
  • Improved reward scaling and progression
  • Better communication with the community

In-app purchases

19 purchases

Stack Attack!!

One-time19
  • Gem Pack Small$0.99
  • Gold Pack Small$0.99
  • Starter Pack$2.99
Show 16 more
  • No Ads$2.99
  • Gem Pack Medium$4.99
  • 2X Speed!$4.99
  • Gold Pack Medium$4.99
  • Skip'its Medium Pack$5.99
  • Gem Pack Large$9.99
  • Gold Pack Large$9.99
  • Premium Pass$14.99
  • Gem Pack XL$19.99
  • Skip'its Large Pack$19.99
  • Gold Pack XL$19.99
  • Diamond Hero$29.99
  • Gem Pack XXL$49.99
  • Gold Pack XXL$49.99
  • Gem Pack XXXL$99.99
  • Gold Pack XXXL$99.99
18 purchases

Mini Merge Champions

One-time18
  • Coin Pack 1$0.99
  • Chapter Pack 2$0.99
  • Hero's Path Reward 1$2.99
Show 15 more
  • Gem Pack 1$2.99
  • Remove Ads$2.99
  • Energy Pack$4.99
  • Hero's Path Reward 2$4.99
  • x2 Speed$5.99
  • Equipment Pack$6.99
  • Tower Pack$7.99
  • Starter Pack$8.99
  • Blessings Package$9.99
  • Equipment Pack$9.99
  • Chapter Pack 7$10.99
  • Adventure Pack$11.99
  • Chapter Pack 8$12.99
  • Gem Pack 2$12.99
  • Gem Pack 3$34.99

Questions

Is Stack Attack!! free?
Stack Attack!! is free to download, with in-app purchases available.
Is Mini Merge Champions free?
Mini Merge Champions is free to download, with in-app purchases available.
Which has better reviews, Stack Attack!! or Mini Merge Champions?
Stack Attack!! is rated higher. Stack Attack!! averages 4.3 out of 5 from 403 ratings, while Mini Merge Champions averages 4.2 from 1.1K ratings.
Do Stack Attack!! or Mini Merge Champions have ads?
Both Stack Attack!! and Mini Merge Champions show ads.
Which is updated more often, Stack Attack!! or Mini Merge Champions?
Stack Attack!! ships an update every 2 weeks, and Mini Merge Champions every 5 days. Most recently, Stack Attack!! was updated on October 2, 2026 and Mini Merge Champions on October 11, 2026.

Other comparisons