Comparison

Slitherlink vs Qubink

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

Qubink

Features
Read full description

Welcome to the world of Qubink. In a universe beyond space and time, the Qubink — mysterious cubic objects filled with ink — never stop arriving. They carry letters, and the only way to destroy them is to form words. The longer the word, the more Qubink you destroy, the higher your score. Easy to learn. Impossible to master. A RACE WITHOUT END The Qubink keep coming. No countdown, no timer — you set the pace with every word you form. But when the board is full, it's game over. How long will you last? SPECIAL QUBINK Not all Qubink are the same. Some come in different colours and carry unique powers: play them at the right moment to multiply your score and turn the tide. Can you tame the wild Qubink? CHALLENGE YOUR FRIENDS Send a challenge to anyone you like: everyone plays when they can, then scores are compared. No excuses — whoever finds the longest words wins. CLIMB THE GLOBAL LEADERBOARD How do you stack up against players around the world? Every word makes a difference. Climb the leaderboard and prove you're the true Qubink master. CLIMB THE RANKS: FROM WOOD TO GRAND MASTER Every game earns you XP and brings you closer to the next rank. Eight tiers — from Wood to Grand Master — each with three divisions. Your rank is a true reflection of your skill: it never lies. Can you reach the top? GAME HISTORY Review your past sessions, analyse the words you played and beat your own records. Progress is visible — the challenge is surpassing it. SIGN IN WITH APPLE OR GOOGLE — OR JUMP RIGHT IN Create an account to save progress, challenge friends and climb the leaderboards. Or start playing instantly, no sign-up required. Qubink. Unstoppable.

Screenshots

Slitherlink4 screens
Qubink3 screens

Verdict

The call

The clearest difference is in-app purchases: Qubink at none against Slitherlink's 13. Qubink also leads on update cadence (every 6 days vs every 4 months). On price, ads, device support and iOS requirement 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. Qubink asks for nothing beyond the download.

UpkeepUpdate frequency

Slitherlink ships an update every 4 months, Qubink every 6 days. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 8 level
Slitherlink versus Qubink: the parameters behind the verdict, then further details
ParameterSlitherlinkQubink
PriceFreeFree
Rating4.8 (457 ratings) — better—
Positive reviews89.5% of reviews—
Number of ratings457 — better—
Update frequencyEvery 4 monthsEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size7 MB188 MB
Age rating4+12+
DeveloperConceptis Ltd.Federico Merlin

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

Qubink

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

Qubink

No in-app purchases

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is Qubink free?
Qubink is free to download, with no in-app purchases.
Do Slitherlink or Qubink have ads?
Neither Slitherlink nor Qubink shows ads.
Which is updated more often, Slitherlink or Qubink?
Slitherlink ships an update every 4 months, and Qubink every 6 days. Most recently, Slitherlink was updated on October 19, 2026 and Qubink on October 4, 2026.

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