Comparison

Slitherlink vs Slitherlink

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

Slitherlink

This logic puzzle game challenges players to draw a single loop by connecting points on a grid. Numbers within the grid indicate how many lines surround adjacent squares, guiding the loop's path. It offers a mentally stimulating experience similar to Sudoku.

Highlights
  • Draw a single loop
  • Connect points on a grid
  • Use number clues
  • Logic-based gameplay
  • Mentally stimulating puzzles
Features
Read full description

“Slitherlink" is a number game equal to Sudoku HOW TO PLAY? -------------- 1. The board consists of a number of numbers and a number of points. Each number represents the number of Square around it. 2. Connect points to points in a straight line, making it a loop and only one loop. The number between four points represents the number of lines around its square. 3. Where there are no numbers, there is no limit to the number of underscores, and there can be no underscores around 0. The routes must not cross, nor be forked. -------------- We appreciate any feedback you may have and will apply it to future updates and features. With your continued support we'll do our best to turn out quality Apps.

Screenshots

Slitherlink4 screens
Slitherlink4 screens

Verdict

The call

The clearest difference is review sentiment: Slitherlink at 89% against Slitherlink's 25%. Slitherlink also leads on ads (none vs shown) and rating (4.8 vs 4.5). Slitherlink's advantage is in-app purchases (none vs 13) and update cadence (every 3 weeks vs every 4 months). On price 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. Slitherlink asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Slitherlink holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: Slitherlink has 457 ratings behind it against 10, 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 25% of Slitherlink's.

UpkeepUpdate frequency

Slitherlink ships an update every 4 months, Slitherlink every 3 weeks. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

Scorecard8 real differences · 2 level
Slitherlink versus Slitherlink: the parameters behind the verdict, then further details
ParameterSlitherlinkSlitherlink
PriceFreeFree
Rating4.8 (457 ratings) — better4.5 (10 ratings)
Positive reviews89.5% of reviews — better25.0% of reviews
Number of ratings457 — better10
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size7 MB44 MB
Age rating4+4+
DeveloperConceptis Ltd.其跃 吴

Customer experience

Slitherlink

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

Slitherlink

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews12 reviews
Positive25.0%
Neutral8.3%
Negative66.7%

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

Slitherlink

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
None

Slitherlink

No in-app purchases

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is Slitherlink free?
Slitherlink is free to download, with no in-app purchases.
Which has better reviews, Slitherlink or Slitherlink?
Slitherlink is rated higher. Slitherlink averages 4.8 out of 5 from 457 ratings, while Slitherlink averages 4.5 from 10 ratings.
Do Slitherlink or Slitherlink have ads?
Slitherlink shows ads; Slitherlink does not.
Which is updated more often, Slitherlink or Slitherlink?
Slitherlink ships an update every 4 months, and Slitherlink every 3 weeks. Most recently, Slitherlink was updated on October 19, 2026 and Slitherlink on October 9, 2026.

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