Comparison

Worm Stack vs Shape Screw Jam

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

Head to head
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!

About

Shape Screw Jam

Untwist screws and sort them into their correct boxes to complete sets. This puzzle game challenges your problem-solving skills with a relaxing, no-time-limit experience. Strategically remove screws to progress through levels and master the art of mechanical sorting.

Highlights
  • Untwist screws
  • Sort screws into correct boxes
  • Complete screw sets
  • Remove screws in correct order
  • No time limit
  • Relaxing gameplay
Features
Read full description

Let's embark on a mechanical journey like no other in Shape Screw Jam. Your mission is to untwist screws and put them in the right screw boxes. You win when completing all the screw sets. HOW TO PLAY - Remove screws in correct order to drop each board, one by one. - Fill each screw box with the same shape screws, you need to fill all of them to win. - No time limit, relax and play whenever you want. This challenging and addictive Screw jam game will put your problem-solving skills to the test as you twist, turn, and put all the screws into right screw boxes.

Screenshots

Worm Stack4 screens
Shape Screw Jam4 screens

Verdict

The call

The clearest difference is in-app purchases: Shape Screw Jam at none against Worm Stack's 12. Shape Screw Jam also leads on iOS requirement (12.0 vs 15.0). Worm Stack's advantage is update cadence (every 2 weeks vs every 3 months). 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. Worm Stack sells 12 one-off in-app purchases. Shape Screw Jam asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Worm Stack against 4.6 for Shape Screw Jam. Both are backed by a comparable volume of ratings — 1.7K and 1.2K respectively. Written reviews are what separate them: 52% of Worm Stack's written reviews are positive against 56% of Shape Screw Jam's.

UpkeepUpdate frequency

Worm Stack ships an update every 2 weeks, Shape Screw Jam every 3 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Worm Stack versus Shape Screw Jam: the parameters behind the verdict, then further details
ParameterWorm StackShape Screw Jam
PriceFreeFree
Rating4.7 (1.7K ratings) — better4.6 (1.2K ratings)
Positive reviews52.2% of reviews55.6% of reviews — better
Number of ratings1.7K — better1.2K
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size255 MB237 MB
Age rating9+12+
DeveloperBlack Candy LLCGOODROID,Inc.

Customer experience

Worm Stack

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

Shape Screw Jam

All ratings1,219 ratings
Positive90.1%
Neutral6.7%
Negative3.2%
Written reviews9 reviews
Positive55.6%
Neutral22.2%
Negative22.2%

Bugs and 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

Shape Screw Jam

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
None

Shape Screw Jam

No in-app purchases

Questions

Is Worm Stack free?
Worm Stack is free to download, with in-app purchases available.
Is Shape Screw Jam free?
Shape Screw Jam is free to download, with no in-app purchases.
Which has better reviews, Worm Stack or Shape Screw Jam?
Worm Stack is rated higher. Worm Stack averages 4.7 out of 5 from 1.7K ratings, while Shape Screw Jam averages 4.6 from 1.2K ratings.
Do Worm Stack or Shape Screw Jam have ads?
Both Worm Stack and Shape Screw Jam show ads.
Which is updated more often, Worm Stack or Shape Screw Jam?
Worm Stack ships an update every 2 weeks, and Shape Screw Jam every 3 months. Most recently, Worm Stack was updated on October 18, 2026 and Shape Screw Jam on October 15, 2026.

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