Comparison

duk. vs One Line

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

Head to head
About

duk.

A charming puzzle game where you guide a character across lily pads by stepping a specific number of spaces. Solve 80 unique ponds in classic mode or tackle a new daily challenge. Enjoy a relaxing, ad-free experience with no internet or accounts required.

Highlights
  • Numbered lily pad stepping mechanic
  • 80 classic ponds
  • Daily puzzles (easy, medium, hard)
  • Streak tracking for daily play
  • No ads or accounts
  • Offline play
Features
Read full description

duk. is a cozy little puzzle about duk trying to reach his friend goose. each lily pad holds a number, so you step exactly that many pads across the water, sinking the one you leave behind, wrapping around the pond's edges, until every pad is gone and you land on goose. 2 ways to play: • classic: a journey through 80 ponds, each named for a real water lily, growing gently harder as you go. • daily: a fresh puzzle every day at easy, medium, or hard. a win on any tier keeps your streak going. no ads. no accounts. no internet required. nothing tracked. made for a calm few minutes, whenever you need them.

About

One Line

Features
Read full description

Can you solve every puzzle with just one line? One Line: Chameleon Puzzle is a colorful logic game where every challenge has one simple rule: find the right path and complete it in one continuous stroke. Follow the chameleon through a world of clever puzzles, connect the paths, plan every move, and discover the solution without breaking the line. ONE LINE. ONE SOLUTION. Draw a continuous path and complete each puzzle in a single stroke. It looks simple — until the challenges start getting trickier. THINK BEFORE YOU DRAW Finding the right starting point and planning your route can make all the difference. Use logic, focus, and strategy to solve every path. TRAIN YOUR BRAIN Put your problem-solving skills to the test with increasingly challenging logic puzzles designed to keep you thinking. FOLLOW THE CHAMELEON A colorful chameleon brings personality to every level as you progress through new paths and challenges. SIMPLE TO LEARN, TRICKY TO MASTER Intuitive one-touch gameplay makes it easy to start. The real challenge is finding the perfect route as each puzzle becomes more complex. QUICK & SATISFYING Perfect for a quick brain challenge or a longer puzzle session. Solve one level, then see if you can resist trying the next. Can you find the right path without breaking the line? Download One Line: Chameleon Puzzle and start solving!

Screenshots

duk.4 screens
One Line4 screens

Verdict

The call

The clearest difference is ads: duk. at none against One Line's shown. One Line's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 6 level
duk. versus One Line: the parameters behind the verdict, then further details
Parameterduk.One Line
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 11 days—
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size8 MB14 MB
Age rating4+4+
DeveloperBetula Noir LLCGuilherme Machado Sousa

In-app purchases

None

duk.

No in-app purchases

None

One Line

No in-app purchases

Questions

Is duk. free?
duk. is free to download, with no in-app purchases.
Is One Line free?
One Line is free to download, with no in-app purchases.
Do duk. or One Line have ads?
One Line shows ads; duk. does not.

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