Comparison

Nonogram vs Screw Jam

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

Head to head
About

Nonogram

Solve logic number puzzles by filling cells to reveal hidden pixel art. Collect jigsaw puzzle pieces, decorate a secret garden, and participate in daily and weekend challenges. Unlock new themes and difficulty levels for a brain-training experience.

Highlights
  • Solve logic number puzzles
  • Reveal hidden pixel art
  • Collect jigsaw puzzle pieces
  • Decorate a secret garden
  • Daily and weekend challenges
  • Unlock new themes
Features
Currently charting
Read full description

Nonogram is a game to solve logic number puzzles by filling or left blank cells according to numbers as clues at the side of the grid to reveal the hidden pixel picture, as known as Hanjie, Picross, Griddlers, Japanese Crosswords, Paint by Numbers, Pic-a-Pix. A pleasant and amaze game to train and exercise your brain, also keep your mind active with the basic rules and logic behind the picture cross puzzles. Nonogram is a picture cross sudoku puzzle, you just need to follow the basic rules and logic to reveal the hidden picture and riddles. Squares and grids on the board must be filled by number or left blank. Numbers show how many squares to fill. The numbers above the column are read from top-to-bottom. Numbers to the left of the rows are read from left-to-right. According to the numbers, color a square or mark it with an X. You can get a piece of Jigsaw shard in each passed puzzle. You can discover a world of over 9,000 amazing beautiful images with different themes. This is the first nonogram game where you can solve the puzzle and play jigsaw at the same time! In the game, there is not only Nonogram to play, but also unique jigsaw puzzles for players to play! Players will get a piece of puzzle pieces every time they pass the Nonogram game, which can be used to complete a large exquisite picture! A total of ten beautiful big pictures are waiting for you to explore and collect! (P.S: The probability of falling puzzle pieces is different in different chapters. If you do not get the puzzle pieces after winning a certain level, it is normal.) Discover mysterious Secret garden which are open to welcome every vistors and travelers. Earn gold leaves to decorate and renovate the garden with houses, Gazebos, paths, fences, gates, and flowers: lavender, camelia, maple etc. Build and makeover the little island to become your own dream and fantasy space. We prepare two activities both for weekdays and weekends! Finish daily quizzes every day to receive rewards: diamond jewelry and theme coins. Join the event and don't miss out on them! New time-limited Weekend Challenge with 200 new nonogram levels with sizes of 5*5, 8*8, 10*10, open at every Saturday and Sunday. These two events bring the unique theme coins for you! 8 new themes are available in the shelves with different styles: Classic Green, Dark, Spring, Summer, Autumn, Starry, Wood-Dark, Wood-Light will bring a fresh gaming experience for your mind! Theme coins will be received by complete Daily Mission and Weekend Challenge, and use it to purchase the theme to upgrade your nonogram puzzle boards. ●Massive Themed puzzle packs in the game ●Relax and calm with special jigsaw puzzles by filling in the pieces to gain beautiful photos. ●There are intuitive and effective novice tutorials in the game, easy to learn and quite addictive once you start playing ●Choose the difficulty level from Very Easy, Easy, Medium, Hard or Very hard that best for you and become the expert! ●There are many auxiliary functions in the game, such as return to the previous step, get hints and clues, and reset the game ●Autosave on every puzzle, if you stuck you can try another puzzle and come back later ●Challenge different brand-new missions every week and get generous rewards for game items ●Special nonogram pro section offers puzzles with large sizes 20x20, 25x25, 30x30, 35x35 to bring a unique experience. ●Various categories of delicate socratic nonogram puzzles. ●Offline and could play at anywhere: on travel:train, subway, bus, taxis, cabs; or during a casual and idle walk; or cozy up lazily by the fireplace at home in winter. ●Explore Daily quizzes and Weekend Challenge to earn theme coins, dress up nonogram board with 8 new themes. Take the challenge and enjoy the endless fun of puzzle gametime! If you have any questions, feel free to contact us at yunbu_cs@outlook.com Welcome to Nonogram-Jigsaw Puzzle Game Group: https://www.facebook.com/groups/1362218408122245

About

Screw Jam

Engage in a logic-based puzzle game where you unscrew and sort colorful screws, pins, and nuts. Navigate hundreds of unique levels with increasing complexity, utilizing custom tools and overcoming obstacle courses to achieve puzzle mastery.

Highlights
  • Unscrew and sort colorful screws, pins, and nuts
  • Hundreds of unique logic puzzle levels
  • Custom screw tools for harder puzzles
  • Multilayered puzzles with correct removal sequences
  • Obstacle course levels with shifting mechanics
  • Endless puzzle mode for continuous play
  • Daily challenges with special rewards
Features
Currently charting
Read full description

Welcome to Screw Jam, where the challenge of unscrewing puzzles and sorting colorful screws, pins, and nuts takes center stage! Dive into an immersive world of wood and bolts, where every unscrew brings you closer to solving the ultimate screw pin jam puzzle. With each twist, you'll match colors and sort nuts and bolts to clear your path through tricky levels. Tackle hundreds of unique levels designed to test your logic and strategy. As you unscrew, sort, and solve puzzles, you’ll face new and exciting screw pin jam challenges. Unlock levels, refine your skills, and enjoy the thrill of unscrewing complex puzzles while earning rewards along the way. Every level brings a fresh twist on the classic nuts and bolts puzzle adventure.Prepare for a jam-packed puzzle experience, where you’ll navigate wood structures, solve unscrew puzzles, and discover new mechanics with every update. Whether you're into sorting colors or untangling nuts and bolts, Screw Jam offers a puzzle experience that will keep you hooked. Features: • Custom Screw Tools: Unlock and use specialized tools to tackle harder puzzles and speed up unscrewing • Multilayered Puzzles: Solve puzzles with multiple layers of screws and pins that need to be removed in the correct sequence • Obstacle Course Levels: Navigate through levels with shifting mechanics like rotating platforms and sliding pins, adding complexity to each puzzle • Endless Puzzle Mode: After conquering levels, challenge yourself with endless puzzles to keep the unscrewing fun going • Enjoy new daily challenges with special rewards for completing jam-packed levels Download now and start unscrewing your way to puzzle mastery!

Screenshots

Nonogram4 screens
Screw Jam4 screens

Verdict

The call

The clearest difference is ads: Screw Jam at none against Nonogram's shown. Screw Jam also leads on update cadence (weekly vs every 3 weeks) and ratings volume (49K vs 3.9K). Nonogram's advantage is review sentiment (60% vs 26%) and iOS requirement (13.0 vs 15.0). On price, rating, in-app purchases and monetization model 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. Nonogram sells 13 in-app purchases, starting at $2.99 per 7 days and Screw Jam 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 — 4.7 for Nonogram against 4.6 for Screw Jam. That said, the two scores are not equally well evidenced: Screw Jam has 49K ratings behind it against 3.9K, so its average is the more settled of the two. Written reviews are what separate them: 60% of Nonogram's written reviews are positive against 26% of Screw Jam's.

UpkeepUpdate frequency

Nonogram ships an update every 3 weeks, Screw Jam weekly. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard5 real differences · 6 level
Nonogram versus Screw Jam: the parameters behind the verdict, then further details
ParameterNonogramScrew Jam
PriceFreeFree
Rating4.7 (3.9K ratings) — better4.6 (49K ratings)
Positive reviews60.3% of reviews — better26.2% of reviews
Number of ratings3.9K49K — better
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#125#117 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size233 MB481 MB
Age rating4+12+
DeveloperYunbuRollic Games

Customer experience

Nonogram

All ratings3,939 ratings
Positive91.4%
Neutral2.2%
Negative6.3%
Written reviews783 reviews
Positive60.3%
Neutral13.3%
Negative26.4%

Screw Jam

All ratings48,704 ratings
Positive90.6%
Neutral5.5%
Negative3.9%
Written reviews891 reviews
Positive26.2%
Neutral16.8%
Negative57.0%

User reviews

Nonogram

From 3.9K App Store ratings

What we love

  • 👍 Challenging puzzles
  • 🧠 Brain-stimulating gameplay
  • 🎨 Variety of puzzle types
  • 💎 Decent free-to-play model
  • 🕹️ Smooth gameplay and controls

Room to improve

  • 🔒 Ads can be intrusive
  • 💎 Gem system limits playtime
  • 🤔 Some puzzles have multiple solutions
  • 🐛 Occasional crashes and bugs
  • 🔍 Unclear instructions for certain features

Screw Jam

From 49K App Store ratings

What we love

  • 🚀 Challenging and fun
  • 🕰️ Relaxing gameplay
  • ⭐ Great concept
  • 👍 Enjoyable for a while

Room to improve

  • 💰 Pay-to-win mechanics
  • 🔍 Impossible levels
  • 🔁 Repetitive levels
  • 🎨 Hard to distinguish colors
  • 🔋 Drains battery

Bugs and requests

Nonogram

Reported bugs

3 issues
  • Ads not loading properly
  • Rewards not being awarded correctly
  • Crashes when switching between devices

Requested features

4 requests
  • More nonogram puzzles and levels
  • Ability to purchase gems with coins
  • Option to reset completed puzzles
  • Improved tutorial and in-game guidance

Screw Jam

Reported bugs

5 issues
  • Level 121 cannot be completed
  • Level 237 cannot be completed
  • Incorrect screw types on certain levels
  • Crashes and freezes
  • Inability to report issues

Requested features

5 requests
  • Colorblind mode
  • Ability to use all 5 screw holes
  • More ways to earn coins
  • Option to skip timed levels
  • Sound effects and music

In-app purchases

13 purchases

Nonogram

Subscriptions1
  • VIP Bonus$2.997 Days
One-time12
  • coins1000$1.99
  • jewels150$1.99
  • jewels300$1.99
Show 9 more
  • Christmas Gift Bag 1$1.99
  • Special gift$3.99
  • Special Gift_2$4.99
  • coins2800$4.99
  • christmas gift bag 01$4.99
  • Piggy Bank$5.99
  • coins6800$9.99
  • jewels1000$9.99
  • coins15000$19.99
18 purchases

Screw Jam

One-time18
  • Special Offer$0.99
  • Coin 1$1.99
  • Coin 2$4.99
Show 15 more
  • Hard Level Offer$4.99
  • Fail Offer$4.99
  • Remove Ads$5.99
  • Gold Pass$7.99
  • Coin 2$7.99
  • Burger Fest Step$7.99
  • 4th of July Offer$7.99
  • No Ads Bundle$9.99
  • Infinite Life 1$9.99
  • Gold Pass$9.99
  • No Ads Bundle$11.99
  • Coin 3$14.99
  • Infinite Life 2$19.99
  • Coin 4$24.99
  • Infinite Life 3$29.99

Questions

Is Nonogram free?
Nonogram is free to download, with in-app purchases available.
Is Screw Jam free?
Screw Jam is free to download, with in-app purchases available.
Which has better reviews, Nonogram or Screw Jam?
Nonogram is rated higher. Nonogram averages 4.7 out of 5 from 3.9K ratings, while Screw Jam averages 4.6 from 49K ratings.
Do Nonogram or Screw Jam have ads?
Nonogram shows ads; Screw Jam does not.
Which is updated more often, Nonogram or Screw Jam?
Nonogram ships an update every 3 weeks, and Screw Jam weekly. Most recently, Nonogram was updated on September 22, 2026 and Screw Jam on September 24, 2026.
Which is more popular, Nonogram or Screw Jam?
Nonogram currently peaks at #125 in the App Store charts, and Screw Jam at #117. Chart position reflects recent download velocity rather than total install base.

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