Comparison

Slitherlink vs Favo!

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

Favo!

A simple yet addictive puzzle game where you link elements to score points. Strategically merge panels and create combos to achieve high scores. Challenge monsters in a special mode to win unique rewards.

Highlights
  • Link and collect elements
  • Strategic panel merging
  • Combo bonuses for high scores
  • Level up collected elements
  • Challenge mode with monsters
  • Collect merge panels
Read full description

Connect! Merge! and Collect the Elements! Favo! is a new puzzle game which you won’t be able to put down! The rules are quite simple and the game play is stress free! [Goal of the Game] Link the three elements (red, blue, and green) on the board to collect as many points as possible! When there is no more space left on the board, it’s game over. In order to enjoy this game to the fullest and get a high score, mastering the correct technique and maintaining a balanced collection of elements is key. [How to Play] - Slide the element panels with your finger to move them. - Tap the panels to arrange the order of the elements. [Level Up] When one of your collected element gauges is full, the element will level up! You will get a Merge Panel of the same element as a bonus! [Merge Panel] Let's put a merge panel next to panels of the same color. You can merge all connected panels at once! [Combo] When you match more than one color at once, you can get a bonus! - 2 color match = double points!! - 3 color match = quadruple points!!!! [Challenge Mode] The challenge mode is the mode where you can defeat monsters! Get rid of them by shooting the collected elements at the monsters. Let's try to win the prizes which are newly designed merge panels together!

Screenshots

Slitherlink4 screens
Favo!3 screens

Verdict

The call

The clearest difference is ads: Slitherlink at none against Favo!'s shown. Slitherlink also leads on review sentiment (89% vs 72%) and ratings volume (461 vs 102). On price, rating, update cadence and in-app purchases 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 and Favo! sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Slitherlink holds the better App Store score, 4.8 against 4.7. Both are backed by a comparable volume of ratings — 461 and 102 respectively. Written reviews point the same way: 89% of Slitherlink's written reviews are positive against 72% of Favo!'s.

UpkeepUpdate frequency

Slitherlink ships an update every 4 months, Favo! every 3 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Slitherlink versus Favo!: the parameters behind the verdict, then further details
ParameterSlitherlinkFavo!
PriceFreeFree
Rating4.8 (461 ratings) — better4.7 (102 ratings)
Positive reviews89.5% of reviews — better72.2% of reviews
Number of ratings461 — better102
Update frequencyEvery 4 monthsEvery 3 months — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size7 MB130 MB
Age rating4+4+
DeveloperConceptis Ltd.flow Incorporated.

Customer experience

Slitherlink

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

Favo!

All ratings102 ratings
Positive92.2%
Neutral4.9%
Negative2.9%
Written reviews54 reviews
Positive72.2%
Neutral18.5%
Negative9.3%

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

Favo!

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
6 purchases

Favo!

One-time6
  • 5,000 Gems$2.99
  • Remove Ads$2.99
  • 2x Gem (permanent)$2.99
Show 3 more
  • 10,000 Gems$4.99
  • 25,000 Gems$9.99
  • 50,000 Gems$17.99

Questions

Is Slitherlink free?
Slitherlink is free to download, with in-app purchases available.
Is Favo! free?
Favo! is free to download, with in-app purchases available.
Which has better reviews, Slitherlink or Favo!?
Slitherlink is rated higher. Slitherlink averages 4.8 out of 5 from 461 ratings, while Favo! averages 4.7 from 102 ratings.
Do Slitherlink or Favo! have ads?
Favo! shows ads; Slitherlink does not.
Which is updated more often, Slitherlink or Favo!?
Slitherlink ships an update every 4 months, and Favo! every 3 months. Most recently, Slitherlink was updated on October 26, 2026 and Favo! on October 24, 2026.

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