Comparison

K.O. Slitherlink vs NumberLink

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

Head to head
About

K.O. Slitherlink

This game offers a collection of Slitherlink puzzles with grid sizes from 2x2 to 10x10. Solve logic puzzles by connecting points to form a single loop, following number clues around the grid.

Highlights
  • Supports 2x2 to 10x10 grids
  • Abundant puzzle store
  • Slitherlink logic rules
  • Single continuous loop formation
  • Number clue system
Features
Read full description

It supports 2~10 grid slitherlink. The abundant slitherlink store is waiting for you to play. ------------------------------ Slitherlink Rules: The game consists of four numbers: 0,1,2,3. Each number represents the number of lines drawn around, connects the points with each other in a straight line, and finally becomes a single continuous loop with no crossings or branches. If there is no number, it is no limit to the number of lines.

About

NumberLink

Connect matching numbered pairs with continuous paths, filling every cell on the grid. Enjoy over 1,000 logic puzzles with intuitive swipe controls and helpful tips. Play offline anytime for calm brain training.

Highlights
  • 1,000+ puzzles
  • Finger-draw paths
  • Undo/redo functionality
  • Tip mode
  • Offline play
  • Multiple board sizes
Features
Read full description

Classic NumberLink (also called Number Link / Arukone). Connect each matching pair with one continuous path—then fill every cell on the grid. 1,000+ puzzles. Swipe to draw. Undo & redo. Tips when you’re stuck. Play offline anytime. HOW TO PLAY Link every number to its twin with an unbroken path that moves only horizontally or vertically. Paths can’t cross, split, or U-turn on themselves. When every pair is linked and every square is filled, you win. Easy to learn—deep enough for a long commute. WHO IT’S FOR • Fans of Flow-style path puzzles who want a numbered, logic-first version • Sudoku / Slitherlink / Hashi players looking for another Nikoli classic • Anyone who wants calm brain training without frantic timers • Beginners and experts—start on the tour, then climb to 11×16 boards FEATURES • 1,000+ NumberLink puzzles across many board sizes (6×6 up to 11×16) • Finger-draw paths: extend, cut through, and redraw with undo/redo • Tip mode to reveal a correct path when you’re blocked • Move counter and personal best tracking • How-to-play guide with clear examples • Offline play—no connection required for core packs • Extra puzzle packs when you want more • Optional subscription to remove ads and unlock perks (cancel anytime) WHY NUMBERLINK Colored “pipe” clones are everywhere. NumberLink is the classic form: numbered pairs, full-grid coverage, and pure deduction. Our boards scale from a short tour to large grids that reward planning—not spammy level mills. Draw with your finger, fix mistakes instantly, and keep a quiet streak going offline. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://www.puzzles-together.com/privacy.html

Screenshots

K.O. Slitherlink4 screens
NumberLink4 screens

Verdict

The call

The clearest difference is in-app purchases: K.O. Slitherlink at none against NumberLink's 4. NumberLink's advantage is update cadence (every 10 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. NumberLink sells 4 in-app purchases, starting at $1.99 per month. K.O. Slitherlink asks for nothing beyond the download.

UpkeepUpdate frequency

K.O. Slitherlink ships an update every 4 months, NumberLink every 10 days. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
K.O. Slitherlink versus NumberLink: the parameters behind the verdict, then further details
ParameterK.O. SlitherlinkNumberLink
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 4 monthsEvery 10 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size35 MB67 MB
Age rating4+4+
Developer又瑞 韦建明 顾

In-app purchases

None

K.O. Slitherlink

No in-app purchases

4 purchases

NumberLink

Subscriptions1
  • Monthly Subscription$1.991 Month
One-time3
  • 600 COINS$1.99
  • 1800 COINS$3.99
  • 3600 COINS$5.99

Questions

Is K.O. Slitherlink free?
K.O. Slitherlink is free to download, with no in-app purchases.
Is NumberLink free?
NumberLink is free to download, with in-app purchases available.
Do K.O. Slitherlink or NumberLink have ads?
Both K.O. Slitherlink and NumberLink show ads.
Which is updated more often, K.O. Slitherlink or NumberLink?
K.O. Slitherlink ships an update every 4 months, and NumberLink every 10 days. Most recently, K.O. Slitherlink was updated on November 3, 2026 and NumberLink on November 3, 2026.

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