Comparison

Slitherlink vs LogicBrain(Puzzle games)

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

LogicBrain(Puzzle games)

Engage your mind with a collection of addictive logic puzzle games. Solve challenges ranging from easy to difficult, with thousands of levels and a beautiful interface. Perfect for brain training and passing the time.

Highlights
  • Multiple logic puzzle types
  • Thousands of levels
  • Easy to inhuman difficulty
  • Auto save and score records
  • Game tutorials
  • Beautiful interface with dark theme
Features
Read full description

Collection of logic puzzle games, includes: * Hashi(chopsticks/bridges), * Nonogram(Picross) * SlitherLink(Takegaki/Loop the loop/Fences puzzles.) * NumberLink(Dots connect/pipe line) * Fifteen Puzzle(15 Puzzle, slide) * Guess Code * Guess word More puzzles are coming. These puzzles are simple and addictive. It's a real time killer, and a good choice for brain train Futures: + Multiple levels, from easy to inhuman + Thousands of games for each puzzle + Convenient operation + Auto save + Score record + Dashboard + Game tutorial + Beautiful interface + Dark theme Hashi: Hashi is a logic puzzle game, which you try to connect islands with bridges. Hashi is also known as Hashiwokakero/Chopsticks. The goal of this puzzle is to connect all of the islands by drawing a series of bridges between the islands. Nonogram: Nonograms, also known as Hanjie, Paint by Numbers, Picross, Griddlers, and Pic-a-Pix, and by various other names, 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 pixel art-like picture. In this puzzle type, the numbers are a form of discrete tomography that measures how many unbroken lines of filled-in squares there are in any given row or column. For example, a clue of "4 8 3" would mean there are sets of four, eight, and three filled squares, in that order, with at least one blank square between successive sets. SlitherLink: In a Slitherlink puzzle your goal is to form a single loop through the game field using numerical clues. Slitherlink puzzles are wonderfully pure logic puzzles with simple rules, yet can be surprisingly rich and complex to solve. They're also sometimes known as Takegaki puzzles, Loop the loop or Fences puzzles. NumberLink: NumberLink(Dots connect, pipe lines) is a logic puzzle that link each pair of numbers with a continuous line. Move horizontally or vertically through the cells. All cells in the grid must be used. 15 Puzzle: Fifteen puzzle is a sliding puzzle game that consists of a frame of numbered square tiles in random order, with one tile missing, The object of the puzzle is to place the tiles in order by making sliding moves that use the empty space. Endless challenge mode that challenges your logical thinking and mental limits Guess the Code: There is a four-digit code, try to guess it within 10 times. After each guess, we will show you how many numbers that both positions and numbers are correct, and how many numbers that only the numbers are correct. Guess the Word: This is a wordle style game. There is a 5 letter word, try to guess it within 6 times. After each guess, we use a different color to indicate the correct situation for each letter. You have up to 6 chances to guess it out. This game hasn't any limits, you can keep playing as you want.

Screenshots

Slitherlink4 screens
LogicBrain(Puzzle games)4 screens

Verdict

The call

The clearest difference is ads: Slitherlink at none against LogicBrain(Puzzle games)'s shown. Slitherlink also leads on ratings volume (461 vs 1). LogicBrain(Puzzle games)'s advantage is update cadence (fortnightly vs every 4 months) and iOS requirement (12.0 vs 15.6). 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. Slitherlink sells 10 one-off in-app purchases and LogicBrain(Puzzle games) sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

LogicBrain(Puzzle games) holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Slitherlink has 461 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Slitherlink ships an update every 4 months, LogicBrain(Puzzle games) fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Slitherlink versus LogicBrain(Puzzle games): the parameters behind the verdict, then further details
ParameterSlitherlinkLogicBrain(Puzzle games)
PriceFreeFree
Rating4.8 (461 ratings)5.0 (1 ratings) — better
Positive reviews89.5% of reviews—
Number of ratings461 — better1
Update frequencyEvery 4 monthsFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.612.0 — better
Further details — not scored
Size7 MB65 MB
Age rating4+4+
DeveloperConceptis Ltd.建明 顾

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

LogicBrain(Puzzle games)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Slitherlink

One-time10
  • Easy Variety 1$1.99
  • Easy Variety - Large 1$1.99
  • Medium Variety 1$1.99
Show 7 more
  • 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
4 purchases

LogicBrain(Puzzle games)

Subscriptions1
  • Subscribers$4.991 Month
One-time3
  • 600 COINS$1.99
  • 1800 COINS$3.99
  • 3600 COINS$5.99

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is LogicBrain(Puzzle games) free?
LogicBrain(Puzzle games) is free to download, with in-app purchases available.
Which has better reviews, Slitherlink or LogicBrain(Puzzle games)?
LogicBrain(Puzzle games) is rated higher. Slitherlink averages 4.8 out of 5 from 461 ratings, while LogicBrain(Puzzle games) averages 5.0 from 1 ratings.
Do Slitherlink or LogicBrain(Puzzle games) have ads?
LogicBrain(Puzzle games) shows ads; Slitherlink does not.
Which is updated more often, Slitherlink or LogicBrain(Puzzle games)?
Slitherlink ships an update every 4 months, and LogicBrain(Puzzle games) fortnightly. Most recently, Slitherlink was updated on November 6, 2026 and LogicBrain(Puzzle games) on November 3, 2026.

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