Comparison

Slitherlink vs Flatbias

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

Head to head
About

Slitherlink

Features
Read full description

Slitherlink, also known as Loop the Loop or Fences, is a logic puzzle about drawing a single continuous loop along the grid edges. Each numbered cell tells you exactly how many of its four sides the loop must use. The loop never crosses itself and never branches, so every puzzle has one solution you can reach by pure deduction. Features: โ€ข Tap an edge to draw a line, tap again to mark it crossed out, once more to clear โ€ข Numbers fade to grey once they have exactly the right lines around them โ€ข A clue turns red if you draw too many lines around it โ€ข Undo any move with a single tap โ€ข Three difficulty levels: 7x7 Easy, 10x10 Medium, 12x12 Hard โ€ข Progress saves automatically, so you can stop and pick up later โ€ข Stats and best times for every difficulty โ€ข Plays fully offline A calm, addictive deduction puzzle that rewards patient thinking. If you like Sudoku, Hashi, or Nurikabe, Slitherlink could be your next obsession.

About

Flatbias

Features
Read full description

Flatbias is a spatial puzzle where you draw roads on polyhedron nets and fold them into shape. HOW IT WORKS - You get the unfolded net of a polyhedron - Its faces are divided into cells, with a start and a goal - Tap cells to lay roads โ€” you only get so many - Fold the net up. If start and goal connect, you clear it FEATURES - New puzzles arrive every Saturday - All kinds of solids, from the cube to the dodecahedron - Want more? Flatbias Pass unlocks the full catalog FLATBIAS PASS Monthly or yearly subscription with a 7-day introductory free trial: weekly new packs, all puzzles and back numbers, no ads, and unlimited hints. SUBSCRIPTION Flatbias Pass is an auto-renewable subscription. It renews automatically and is billed to your Apple Account unless you cancel at least 24 hours before the current period ends. Manage or cancel anytime in your device settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flatbias.com/privacy

Screenshots

Slitherlink3 screens
Flatbias4 screens

Verdict

The call

The clearest difference is ads: Slitherlink at none against Flatbias's shown. Flatbias's advantage is update cadence (daily vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Slitherlink sells 3 one-off in-app purchases and Flatbias sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Slitherlink ships an update every 6 weeks, Flatbias daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences ยท 4 level
Slitherlink versus Flatbias: the parameters behind the verdict, then further details
ParameterSlitherlinkFlatbias
PriceFreeFree
Update frequencyEvery 6 weeksDaily โ€” better
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better16.0
Further details โ€” not scored
Size30 MB10 MB
Age rating4+4+
DeveloperLUKAS ANDREAS NILSENReckona Inc.

In-app purchases

3 purchases

Slitherlink

One-time3
  • Small tip$0.99
  • Medium tip$1.99
  • Large tip$7.99
2 purchases

Flatbias

Subscriptions2
  • Flatbias Pass (Monthly)7 Days trial$2.991 Month
  • Flatbias Pass (Yearly)7 Days trial$22.991 Year

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is Flatbias free?
Flatbias is free to download, with in-app purchases available.
Do Slitherlink or Flatbias have ads?
Flatbias shows ads; Slitherlink does not.
Which is updated more often, Slitherlink or Flatbias?
Slitherlink ships an update every 6 weeks, and Flatbias daily. Most recently, Slitherlink was updated on October 24, 2026 and Flatbias on October 25, 2026.

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