Comparison

Screw Jam Master vs Wool Knit

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

Head to head
About

Screw Jam Master

Engage your intellect in a challenging puzzle game where you strategically unscrew nuts and bolts. Progress through thousands of levels, unlock new models, and experience the excitement of solving intricate screw-based challenges. This game offers a unique way to train your brain and relieve stress.

Highlights
  • Unscrew nuts and bolts to solve puzzles
  • Thousands of levels to master
  • Unlock new levels and models
  • Train your brain
  • Stress relief
  • Beautiful color screw models
Features
Read full description

Welcome to Screw Jam Master : Nuts Puzzle , it is a game that requires you to use your intelligence. In Screw Jam Master, you can experience the joy of controlling bolts, nuts, and unscrewing them. As you progress through levels, you will feel unprecedented excitement. In the game world of unscrewing nuts, you can unlock more levels and models, and the challenges never stop!! With thousands of levels to master, Screw Jam Master introduces new nuts and bolts challenges that will keep you engaged. This inventive puzzle game delivers a deeply immersive experience, where the excitement of solving puzzles with screws, nuts, and bolts never ceases. So just pay attention! There’s always a new screw to twist and a fresh puzzle to solve. Features: - Lots of beautiful color screw models and scene - Unscrew the Nuts and Bolts to solve the puzzle - The best method for stress relief - Train your brain in this Screw Jam Master game How to Play ? Tap to unscrew the nuts Strategically plan your moves to unscrew all the nuts Fill in all the toolboxes to win We sincerely hope you can have an enjoyable screw puzzle experience in Screw Master: Nuts Jam Puzzle!

About

Wool Knit

A relaxing logic puzzle game where you sort colorful yarn balls onto spools. Exercise your brain with no timers or pressure, enjoying satisfying visuals and calming sounds. Unlock new themes and get help from adorable helpers.

Highlights
  • Color yarn ball sorting
  • Logic puzzle gameplay
  • Stress-free, no timers
  • Customizable themes and skins
  • Undo and hint options
  • Relaxing sound design
Features
Read full description

Yarn Sort Puzzle – Cozy Color Sorting Challenge! Unwind your mind with Yarn Sort Puzzle, a relaxing and addictive sorting game that brings a warm, handcrafted twist to the classic logic puzzle. Instead of liquids, you’ll be sorting soft, colorful yarn balls onto spools, aiming to group matching colors together. Simple to play, yet challenging to master! How to Play: Tap a spool to pick the top yarn ball. Tap another spool to place it — if the top color matches or the spool is empty. Keep sorting until every spool holds only one color of yarn. Use logic and foresight — no timers, just peaceful puzzle solving! Whether you have a few minutes or want to relax for an hour, Yarn Sort Puzzle is the perfect cozy brain teaser to keep your mind sharp and your heart calm. Features: Beautiful Yarn Visuals Soft and colorful yarn textures that make every move satisfying. Challenging Levels Start simple, then test your logic as more colors and spools are added. Stress-Free Gameplay No countdowns, no pressure — just soothing puzzle fun. Custom Themes & Skins Unlock new yarn styles, spool designs, and cozy backgrounds as you play. Adorable Helpers A mischievous cat may appear to lend a paw or cause some chaos! Undo & Hints Made a mistake? Use the undo button or ask for a hint to get back on track. Relaxing Sound Design Enjoy the soft click of yarn and ambient background music designed to help you unwind. For Everyone: From kids to adults, casual gamers to puzzle pros — anyone can enjoy the calm challenge of Yarn Sort Puzzle. It’s a great way to train your brain, improve concentration, and find a moment of peace in your day. Ready to untangle your thoughts and wrap your mind around a new kind of puzzle? Download Yarn Sort Puzzle now and dive into a world of colorful threads and cozy logic fun! Your feedbacks nourish our growth and we greatly appreciate it. Got any questions or ideas - drop us a line to zephyr.support@tripledotstudios.com Terms of Use: https://tripledotstudios.com/tos/ Privacy Policy: https://tripledotstudios.com/privacy-policy/

Screenshots

Screw Jam Master4 screens
Wool Knit4 screens

Verdict

The call

Screw Jam Master and Wool Knit both sit at 4.8 stars, but that hides the real split: 76% of Wool Knit's written reviews are positive against 27% of Screw Jam Master's. Wool Knit also leads on ratings volume (2K vs 246) and iOS requirement (13.0 vs 15.0). Screw Jam Master's advantage is in-app purchases (none vs 9) and update cadence (weekly vs every 3 weeks). On price, rating, ads 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. Wool Knit sells 9 one-off in-app purchases. Screw Jam Master asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Screw Jam Master against 4.9 for Wool Knit. That said, the two scores are not equally well evidenced: Wool Knit has 2K ratings behind it against 246, so its average is the more settled of the two. Written reviews are what separate them: 27% of Screw Jam Master's written reviews are positive against 76% of Wool Knit's.

UpkeepUpdate frequency

Screw Jam Master ships an update weekly, Wool Knit every 3 weeks. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

Scorecard6 real differences · 4 level
Screw Jam Master versus Wool Knit: the parameters behind the verdict, then further details
ParameterScrew Jam MasterWool Knit
PriceFreeFree
Rating4.8 (246 ratings)4.9 (2K ratings) — better
Positive reviews26.7% of reviews76.5% of reviews — better
Number of ratings2462K — better
Update frequencyWeekly — betterEvery 3 weeks
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size274 MB366 MB
Age rating4+17+
Developer燕 肖Tripledot Studios

Customer experience

Screw Jam Master

All ratings244 ratings
Positive93.4%
Neutral1.6%
Negative4.9%
Written reviews30 reviews
Positive26.7%
Neutral23.3%
Negative50.0%

Wool Knit

All ratings1,998 ratings
Positive98.7%
Neutral0.9%
Negative0.4%
Written reviews17 reviews
Positive76.5%
Neutral5.9%
Negative17.6%

User reviews

Screw Jam Master

From 246 App Store ratings

What we love

  • 👍 Fun to pass time
  • 👍 Challenging but beatable
  • 👍 Peaceful and relaxing
  • 👍 Good for destressing
  • 👍 Interesting game

Room to improve

  • 광고 Excessive ads
  • ⏳ Long ads
  • 😠 Ads interrupt gameplay
  • 👎 Ads are intrusive
  • 😵 Ads are unavoidable

Wool Knit

From 2K App Store ratings

What we love

  • 👍 Beautiful game
  • 👍 Excellent game
  • 👍 Fun and clever
  • 👍 Great for seniors

Room to improve

  • 🐛 Extremely long ads
  • 🐛 Too hard too fast
  • 🐛 Too many ads

Bugs and requests

Screw Jam Master

Reported bugs

5 issues
  • Game freezing
  • App crashing
  • Glitching after refresh
  • Ads not closing
  • Levels are unwinnable

Requested features

4 requests
  • Option to skip ads
  • Remove ad banner
  • No ads option
  • Polish language support

Wool Knit

Reported bugs

2 issues
  • Game uninstalled due to ads
  • App crashes

In-app purchases

None

Screw Jam Master

No in-app purchases

9 purchases

Wool Knit

One-time9
  • Pile of Coins$2.99
  • Starter Bundle$2.99
  • Tailor's Kit$4.99
Show 6 more
  • Bunch of Coins$8.99
  • Knitter's Kit$9.99
  • Pocket of Coins$19.99
  • Bag of Coins$34.99
  • Chest of Coins$69.99
  • Hill of Coins$139.99

Questions

Is Screw Jam Master free?
Screw Jam Master is free to download, with no in-app purchases.
Is Wool Knit free?
Wool Knit is free to download, with in-app purchases available.
Which has better reviews, Screw Jam Master or Wool Knit?
Wool Knit is rated higher. Screw Jam Master averages 4.8 out of 5 from 246 ratings, while Wool Knit averages 4.9 from 2K ratings.
Do Screw Jam Master or Wool Knit have ads?
Both Screw Jam Master and Wool Knit show ads.
Which is updated more often, Screw Jam Master or Wool Knit?
Screw Jam Master ships an update weekly, and Wool Knit every 3 weeks. Most recently, Screw Jam Master was updated on October 30, 2026 and Wool Knit on November 8, 2026.

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