Comparison

Slitherlink vs Nonogram galaxy 2

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

Head to head
About

Slitherlink

Solve logic puzzles by drawing a single loop around clues on a grid. Connect dots to form a continuous line, with no crossings or branches. Offers endless fun and intellectual challenge for puzzle enthusiasts.

Highlights
  • Draw a single continuous loop
  • Surround numbered clues
  • Pure logic, no math required
  • Weekly bonus puzzles
  • Multiple difficulty levels
  • Auto complete clues
  • Highlight link segment
Features
Read full description

Surround each clue with lines to form one single loop! Each puzzle consists of a rectangular lattice of dots with some clues in various places. The object is to connect the dots surrounding each clue so that the number of lines equals the value of the clue and the lines around all clues form one continuous loop with no crossings or branches. Empty squares may be surrounded by any number of lines. Slitherlink are addictive loop-forming puzzles which were invented in Japan. Using pure logic and requiring no math to solve, these fascinating puzzles offer endless fun and intellectual entertainment to puzzle fans of all skills and ages. The game features 2-finger tapping for quick zoom, auto complete clues setting and a link segment highlighting option to help to avoid creating separate loops. To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format. For more fun, Slitherlink contains no ads and includes a Weekly Bonus section providing an extra free puzzle each week. PUZZLE FEATURES • 200 free Slitherlink puzzles • Extra bonus puzzle published free each week • Multiple difficulty levels from very easy to extremely hard • Grid sizes up to 16x22 • Puzzle library continuously updates with new content • Manually selected, top quality puzzles • Unique solution for each puzzle • Hours of intellectual challenge and fun • Sharpens logic and improves cognitive skills GAMING FEATURES • No ads • Unlimited check puzzle • Unlimited Undo and Redo • Auto complete clues • Highlight link segment • Quick zoom using 2-finger tap • Concurrently playing and saving multiple puzzles • Puzzle filtering, sorting and archiving options • Dark Mode support • Graphic previews showing puzzles progress as they are being solved • Portrait and landscape screen support (iPad only) • Track puzzle solving times • Backup & restore puzzle progress to iCloud ABOUT Slitherlink have also become popular under other names such as Fences, Loop the Loop, Loopy, Suriza, Dotty Dilemma and Number Line. Similar to Sudoku, Kakuro and Hashi, the puzzles are solved using logic alone. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.conceptispuzzles.com/index.aspx?uri=info/doc/220

About

Nonogram galaxy 2

Engage with challenging picture logic puzzles that reveal a complete image. Explore a vast library of over 4,000 free puzzles across various themes, designed to be logically solvable and enhance your insight. Enjoy flexible controls and cloud saving for a seamless experience.

Highlights
  • Intricate picture logic puzzles
  • Themed puzzle collections
  • Over 4,000 free puzzles
  • Logically solvable puzzles
  • Touch and gamepad controls
  • Cloud save functionality
Features
Read full description

※ Take on deeper, more intricate puzzles. ※ We offer puzzles on various topics. ※ Explore new knowledge and sharpen your insight! ※ Provides a single, complete image without any fragmented pieces. ※ Over 4,000 free puzzles available. ※ Logically solvable puzzles only. ※ Easy controls (supports touch and gamepad simultaneously). ※ Compatible with external devices (Bluetooth keyboard, mouse, gamepad, etc.). ※ Cloud save supported via iCloud. Keep your progress even if you switch devices. ※ Nonograms, also known as Hanjie, are picture logic puzzles in which cells in a grid must be colored or left blank according to numbers at the side of the grid to reveal a hidden picture.

Screenshots

Slitherlink4 screens
Nonogram galaxy 24 screens

Verdict

The call

The clearest difference is ads: Slitherlink at none against Nonogram galaxy 2's shown. Slitherlink also leads on rating (4.8 vs 4.6) and review sentiment (89% vs 79%). Nonogram galaxy 2's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (13.0 vs 15.6). On price, in-app purchases, monetization model 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. Slitherlink sells 13 one-off in-app purchases and Nonogram galaxy 2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Slitherlink holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: Slitherlink has 461 ratings behind it against 82, so its average is the more settled of the two. Written reviews point the same way: 89% of Slitherlink's written reviews are positive against 79% of Nonogram galaxy 2's.

UpkeepUpdate frequency

Slitherlink ships an update every 4 months, Nonogram galaxy 2 every 3 weeks. Both last shipped on October 26, 2026.

Scorecard6 real differences · 4 level
Slitherlink versus Nonogram galaxy 2: the parameters behind the verdict, then further details
ParameterSlitherlinkNonogram galaxy 2
PriceFreeFree
Rating4.8 (461 ratings) — better4.6 (82 ratings)
Positive reviews89.5% of reviews — better79.2% of reviews
Number of ratings461 — better82
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size7 MB201 MB
Age rating4+4+
DeveloperConceptis Ltd.dongwon cho

Customer experience

Slitherlink

All ratings457 ratings
Positive96.5%
Neutral2.2%
Negative1.3%
Written reviews171 reviews
Positive89.5%
Neutral7.6%
Negative2.9%

Nonogram galaxy 2

All ratings82 ratings
Positive90.2%
Neutral4.9%
Negative4.9%
Written reviews159 reviews
Positive79.2%
Neutral10.1%
Negative10.7%

Bugs and requests

Slitherlink

Reported bugs

3 issues
  • App not loading properly for some users
  • Freezing issues on login screen
  • Incompatibility with older devices

Requested features

5 requests
  • Add a dark mode option
  • Implement coloring/marking tools for loop segments
  • Provide more free puzzle content
  • Reduce pricing for puzzle packs
  • Add a rewind/undo feature to go back to previous puzzle states

Nonogram galaxy 2

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Slitherlink

One-time13
  • Medium Snacks 1$0.99
  • Easy Variety 1$1.99
  • Easy Variety - Large 1$1.99
Show 10 more
  • Medium Variety 1$1.99
  • Medium Variety - Large 1$1.99
  • Hard Variety 1$1.99
  • Easy Variety 2$1.99
  • Medium Variety 2$1.99
  • Hard Variety 2$1.99
  • Big & Easy 1$1.99
  • Big & Medium 1$1.99
  • Hard Variety - Large 1$1.99
  • Big & Tough 1$1.99
1 purchases

Nonogram galaxy 2

One-time1
  • No Ads(Hint ads remain)$4.99

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is Nonogram galaxy 2 free?
Nonogram galaxy 2 is free to download, with in-app purchases available.
Which has better reviews, Slitherlink or Nonogram galaxy 2?
Slitherlink is rated higher. Slitherlink averages 4.8 out of 5 from 461 ratings, while Nonogram galaxy 2 averages 4.6 from 82 ratings.
Do Slitherlink or Nonogram galaxy 2 have ads?
Nonogram galaxy 2 shows ads; Slitherlink does not.
Which is updated more often, Slitherlink or Nonogram galaxy 2?
Slitherlink ships an update every 4 months, and Nonogram galaxy 2 every 3 weeks. Most recently, Slitherlink was updated on October 26, 2026 and Nonogram galaxy 2 on October 26, 2026.

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