Comparison

Clean vs Worm Stack

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

Head to head
About

Clean

Control two vacuum cleaners working together to clear islands of waste. Embark on a mission to clean up the world and restore its beauty.

Highlights
  • Cooperative cleaning gameplay
  • Island cleanup missions
  • World-saving objective
  • Control two vacuum cleaners
Features
Read full description

In a world full of waste, two vacuum cleaners join forces to save the world. Can you help them clean up all islands?

About

Worm Stack

Untangle colorful worms by tapping them to make them fly away. Rotate 3D mazes to find the best strategy and solve increasingly complex puzzles. This addictive game sharpens logic and critical thinking skills with its engaging gameplay and adorable graphics.

Highlights
  • Tap worms to make them fly away
  • Rotate 3D mazes
  • Progressive challenges with complex mazes
  • Strategic move planning
  • Adorable graphics and animations
Features
Read full description

Untangle the stacked worms! Worm stack is a challenging, addictive and super fun puzzle game. Tap the cute colored worms to make them fly away and solve puzzles in this 3D puzzle game. But the worms with wiggle eyes will only fly in one direction, so plan your moves! To rotate the maze and find the best ways to release all those worms, slide your finger across the screen. As you progress, the worms will form larger mazes and puzzles are becoming more difficult to solve, so you’ll need to get your thinking hat on to solve the puzzle game. KEY FEATURES -Engaging Gameplay: Tap the cute worms and watch them fly away as you solve each puzzle. -3D Rotational Puzzles: Slide your finger to rotate the maze and discover the best moves. -Progressive Challenges: Face larger and more complex mazes as you advance. -Strategic Thinking: Plan your moves carefully to release all the worms. -Adorable Graphics: Enjoy the charming, colorful design and playful worm animations. What are you waiting for? Challenge your brain with this tricky game right now! WHY PLAY WORM STACK -Mind and Eye Exercise: Keep your eyes and mind active and sharp with the satisfying taps -Brain Teasing: Improve your logic and critical thinking skills. -Critical Thinking Practice: Challenges your problem-solving abilities. Challenge yourself with this fun and addictive puzzle game. Enjoy hundreds of satisfying fun levels and hard levels with stunning mazes and strategies! Download now and start tapping away the worms!

Screenshots

Clean4 screens
Worm Stack4 screens

Verdict

The call

The clearest difference is update cadence: Worm Stack at every 2 weeks against Clean's every 5 weeks. Worm Stack also leads on ratings volume (1.7K vs 375). Clean's advantage is iOS requirement (10.0 vs 15.0). On price, rating, review sentiment and ads 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. Clean sells 1 one-off in-app purchase and Worm Stack sells 12 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 — 4.6 for Clean against 4.7 for Worm Stack. Both are backed by a comparable volume of ratings — 375 and 1.7K respectively. Written reviews are what separate them: 50% of Clean's written reviews are positive against 52% of Worm Stack's.

UpkeepUpdate frequency

Clean ships an update every 5 weeks, Worm Stack every 2 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Clean versus Worm Stack: the parameters behind the verdict, then further details
ParameterCleanWorm Stack
PriceFreeFree
Rating4.6 (375 ratings)4.7 (1.7K ratings) — better
Positive reviews50.0% of reviews52.2% of reviews — better
Number of ratings3751.7K — better
Update frequencyEvery 5 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size117 MB255 MB
Age rating4+9+
DeveloperChristoph MullerBlack Candy LLC

Customer experience

Clean

All ratings375 ratings
Positive91.2%
Neutral2.4%
Negative6.4%
Written reviews6 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Worm Stack

All ratings1,708 ratings
Positive91.5%
Neutral6.4%
Negative2.1%
Written reviews46 reviews
Positive52.2%
Neutral21.7%
Negative26.1%

Bugs and requests

Clean

Not enough reviews yet to summarise bugs or requests.

Worm Stack

Reported bugs

3 issues
  • Game gets stuck at certain levels
  • Levels not loading or advancing properly
  • Hint button disappearing after updates

Requested features

3 requests
  • New shapes and critters
  • Pause/resume functionality
  • Spending options for coins

In-app purchases

1 purchases

Clean

One-time1
  • Remove Ads$2.99
12 purchases

Worm Stack

One-time12
  • No Banner$0.99
  • Coins (500)$0.99
  • Coins(350)$1.99
Show 9 more
  • Coins (1500)$1.99
  • Safety net$2.99
  • Special Offer$2.99
  • Coins (3000)$2.99
  • No Banner Package$3.99
  • Coins(1600)$7.99
  • Coins(3500)$14.99
  • Coins(17500)$54.99
  • Coins(35000)$99.99

Questions

Is Clean free?
Clean is free to download, with in-app purchases available.
Is Worm Stack free?
Worm Stack is free to download, with in-app purchases available.
Which has better reviews, Clean or Worm Stack?
Worm Stack is rated higher. Clean averages 4.6 out of 5 from 375 ratings, while Worm Stack averages 4.7 from 1.7K ratings.
Do Clean or Worm Stack have ads?
Both Clean and Worm Stack show ads.
Which is updated more often, Clean or Worm Stack?
Clean ships an update every 5 weeks, and Worm Stack every 2 weeks. Most recently, Clean was updated on October 29, 2026 and Worm Stack on October 30, 2026.

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