duk. vs Marble Drop
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Numbered lily pad stepping mechanic
- 80 classic ponds
- Daily puzzles (easy, medium, hard)
- Streak tracking for daily play
- No ads or accounts
- Offline play
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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.
Marble Drop
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Not in the mood for twitchy reflexes—just want to relax and use your head? 《Marble Drop: Yarn Sort 3D》 is a 3D color-sorting puzzle. There's no fancy control scheme and no reaction test—just pure logic, gently tidying up the scattered marbles filling your screen. How to Play Each level lights up a row of colorful "orders" along the bottom. Above them sit several "holders," and each holder contains marbles of just one color. Tap a holder and it drops a marble of that color; when the falling marble matches an order, that order fills up and vanishes. Clear every order at the bottom and the level is yours. Why It's So Addictive The rules take a second to grasp, but sailing through a level is another story. Marbles keep piling up and colors keep multiplying until the screen is nearly full. What wins here isn't speed—it's the calm of "thinking one step ahead." Tap the wrong holder in the wrong order and the whole chain breaks, sending you back to the start; you also have to keep those orders from stacking up. Every level is a tiny logic puzzle with a solution hiding in plain sight, waiting for you to find it. That "ah, so that's how it fits" moment when it clicks is genuinely satisfying. Perfect for Spare Moments · One move only—a tap. No fiddly controls. · Marble drops, color matches, order clears: the feedback is crisp and rewarding. · No countdown breathing down your neck, no pop-ups nudging you to spend. You set the pace. On your commute, in a queue, or in that quiet bit before sleep—open a round, give your brain a light workout, and you'll feel calmer for it. Bring order out of chaos and let every color find its place—the small, just-right joy 《Marble Drop: Yarn Sort 3D》 wants to give you.
Screenshots
Verdict
The clearest difference is in-app purchases: duk. at none against Marble Drop's 8. duk. also leads on ads (none vs shown). Marble Drop's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price 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. Marble Drop sells 8 one-off in-app purchases. duk. asks for nothing beyond the download.
| Parameter | duk. | Marble Drop |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 days | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 639 MB |
| Age rating | 4+ | 12+ |
| Developer | Betula Noir LLC | 巧莲 李 |
In-app purchases
duk.
No in-app purchases
Marble Drop
- small-coins$1.99
- medium-coins$4.99
- remove-ads$7.99
Show 5 moreShow fewer
- big-coins$9.99
- remove-ads-bundle$9.99
- huge-coins$24.99
- mega-coins$49.99
- brilliant-coins$99.99









