Comparison

Slitherlink vs Suriza

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

Suriza

A traditional puzzle game played on a dot lattice. Connect adjacent dots to form a simple loop, with numbers in squares indicating how many sides are part of the loop. Offers over 10,000 free stages.

Highlights
  • Traditional puzzle gameplay
  • Over 10,000 stages
  • Free to play all stages
  • Loop formation mechanic
  • Number clues for segments
Features
Read full description

Suriza is traditional puzzle game. This apps has more than 10000 stages! Of course, the all stages are free. Suriza is played on a rectangular lattice of dots. Some of the squares formed by the dots have numbers inside them. The objective is to connect horizontally and vertically adjacent dots so that the lines form a simple loop with no loose ends. In addition, the number inside a square represents how many of its four sides are segments in the loop.

Screenshots

Slitherlink4 screens
Suriza2 screens

Verdict

The call

The clearest difference is review sentiment: Slitherlink at 89% against Suriza's 0%. Slitherlink also leads on rating (4.8 vs 1.5) and ratings volume (457 vs 2). Suriza's advantage is in-app purchases (none vs 13) and update cadence (monthly vs every 4 months). On price, ads 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. Suriza asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Slitherlink holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: Slitherlink has 457 ratings behind it against 2, 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 0% of Suriza's.

UpkeepUpdate frequency

Slitherlink ships an update every 4 months, Suriza monthly. The most recent releases landed on October 19, 2026 and October 1, 2026 respectively.

Scorecard7 real differences · 3 level
Slitherlink versus Suriza: the parameters behind the verdict, then further details
ParameterSlitherlinkSuriza
PriceFreeFree
Rating4.8 (457 ratings) — better1.5 (2 ratings)
Positive reviews89.5% of reviews — better0.0% of reviews
Number of ratings457 — better2
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.66.0 — better
Further details — not scored
Size7 MB212 MB
Age rating4+4+
DeveloperConceptis Ltd.Yuki Fujimoto

Customer experience

Slitherlink

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

Suriza

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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

Suriza

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

Suriza

No in-app purchases

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is Suriza free?
Suriza is free to download, with no in-app purchases.
Which has better reviews, Slitherlink or Suriza?
Slitherlink is rated higher. Slitherlink averages 4.8 out of 5 from 457 ratings, while Suriza averages 1.5 from 2 ratings.
Do Slitherlink or Suriza have ads?
Neither Slitherlink nor Suriza shows ads.
Which is updated more often, Slitherlink or Suriza?
Slitherlink ships an update every 4 months, and Suriza monthly. Most recently, Slitherlink was updated on October 19, 2026 and Suriza on October 1, 2026.

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