Slitherlink vs DNA Mutations Puzzles
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 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
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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
DNA Mutations Puzzles
A retro puzzle game where players modify DNA sequences to match a target. Utilize a limited number of mutations in any order to solve scientific challenges. Enjoy an intuitive, colorful pixel-art experience that can be played offline.
- DNA modification gameplay
- Limited mutation challenges
- Retro pixel-art design
- Intuitive controls
- Offline play available
- Multiple difficulty levels
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A scientific retro puzzle game about DNA! Find the mutations to apply to obtain the required DNA. HOW TO PLAY: You need to modify DNA to match the target. You have a limited number of mutations that you can apply in any order. FEATURES: Easy to play and intuitive game - Challenges of various difficulty - Retro and colorful pixel-art design - All the game is available for free - No Wi-Fi? Enjoy playing offline Follow us to get news and updates: facebook.com/frozax twitter.com/frozax www.frozax.com Terms of use: https://www.frozax.com/legal#tac Privacy policy: https://www.frozax.com/legal#privacy
Screenshots
Verdict
The clearest difference is rating: Slitherlink at 4.8 against DNA Mutations Puzzles's 3.0. Slitherlink also leads on review sentiment (89% vs 50%) and ads (none vs shown). DNA Mutations Puzzles's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (8.0 vs 15.6). On price, in-app purchases, monetization model 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
Both are free to download. Slitherlink sells 13 one-off in-app purchases and DNA Mutations Puzzles sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Slitherlink holds the better App Store score, 4.8 against 3.0. That said, the two scores are not equally well evidenced: Slitherlink has 457 ratings behind it against 4, 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 50% of DNA Mutations Puzzles's.
Slitherlink ships an update every 4 months, DNA Mutations Puzzles every 3 weeks. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.
| Parameter | Slitherlink | DNA Mutations Puzzles |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (457 ratings) — better | 3.0 (4 ratings) |
| Positive reviews | 89.5% of reviews — better | 50.0% of reviews |
| Number of ratings | 457 — better | 4 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Conceptis Ltd. | Frozax Games |
Customer experience
Slitherlink
DNA Mutations Puzzles
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
DNA Mutations Puzzles
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Slitherlink
- Medium Snacks 1$0.99
- Easy Variety 1$1.99
- Easy Variety - Large 1$1.99
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- 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
DNA Mutations Puzzles
- Remove Ads$2.99
Questions
Is Slitherlink free?
Is DNA Mutations Puzzles free?
Which has better reviews, Slitherlink or DNA Mutations Puzzles?
Do Slitherlink or DNA Mutations Puzzles have ads?
Which is updated more often, Slitherlink or DNA Mutations Puzzles?
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