Comparison

Stack Star vs Color Duck Sort

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

Head to head
About

Stack Star

A strategy-based puzzle game where players move colorful blocks between columns to organize them by color. It offers hundreds of handcrafted logic puzzles with simple mechanics that become challenging to master.

Highlights
  • Unique color stacking gameplay
  • Organize blocks by color
  • Hundreds of logic puzzles
  • Easy to learn, challenging to master
  • Smooth animations and satisfying interactions
  • Discover new mechanics
Features
Read full description

Stack Star Think ahead, stack smart, and master every puzzle! Welcome to Stack Star, a fresh and satisfying puzzle experience where strategy is the key to success. Move colorful blocks between columns and organize them by color. Every decision matters as you plan the perfect sequence to complete each level. Simple to learn yet full of clever challenges, Stack Star offers relaxing gameplay that rewards smart thinking and careful planning. Features * Unique color stacking gameplay * Organize blocks into matching color columns * Hundreds of handcrafted logic puzzles * Easy to play, challenging to master * Smooth animations and satisfying interactions * Discover new mechanics as you progress * Perfect for quick sessions or long puzzle marathons Can you find the perfect strategy and complete every level? Download Stack Star today and put your puzzle skills to the test!

About

Color Duck Sort

A relaxing color sorting puzzle game where you match and merge colorful ducks. Enjoy a calm experience with no timers or pressure, featuring unique obstacles and helpful tools to clear the board.

Highlights
  • Color sorting puzzle gameplay
  • No timers or pressure
  • Unique sorting flow mechanic
  • Obstacles and challenges
  • Undo and Shuffle tools
  • Offline play
Features
Read full description

Color Duck Sort is a relaxing color sorting puzzle with a cozy duck twist—blending colorful sorting, clever matching, and smooth sorting flow into one calm, satisfying experience. A Cozy Duck Sorting Loop with No Timers and No Rush In Color Duck Sort, you sort colorful ducks into matching groups while a gentle sorting flow keeps everything moving. There are no timers, no pressure—just pure, satisfying gameplay that clears your head while you clear the board. If you love sorting puzzles with cute characters and cozy vibes, this one's for you. Sorting That Never Stands Still This isn't your average color sort. The flow keeps things moving, so timing, order, and space matter just as much as matching the right colors. Every duck moves, and every decision shapes the board. One Goal, Endless Ducks Every move is about keeping the sorting flow going, matching colors smartly, and making the most of a tight space. Tap to send ducks onto the conveyor and set the sorting in motion. Ducks ride the line until they find a group that matches, and gathering enough of the same color merges them into a finished set. The conveyor can only hold so many groups at once, so keep an eye on that space. If the belt fills up and you're out of moves, the round ends. Every open slot changes what you can do next, so leaving room is part of the puzzle. Plan ahead, control the flow, and enjoy that little rush every time a perfect match clicks into place. How to Play: ● Tap the truck to release ducks onto the conveyor. ● Sort and match the ducks by color to clear the line. ● Outsmart unique obstacles that keep every level fresh. Obstacles You'll Face: ● Hidden Ducks – Remove the ducks in front to reveal the Hidden Ducks! ● Duck Crate – Sort the required color to unlock this pool! ● Colored Pond – Only matching-colored ducks can enter this pool! ● Frozen Ducks – Sort the required number of ducks to break the ice! Handy Tools for When Things Get Tight When the conveyor starts to crowd, simple tools can help you find your way out. Undo lets you pull a duck off the belt and back into its box—perfect when you want to rethink your last move. Shuffle swaps the order of colors inside a single group, giving you a fresh setup without changing the board. And if you need a little extra breathing room, Extra adds a new slot right where you need it, opening up more options when space is running low. Easy to Pick Up, Relaxing to Come Back To Color Duck Sort starts simple, but the flow keeps every level feeling fresh as you go. Tighter layouts push you to make smarter sorting calls, while trickier duck ladders add a welcome layer of challenge. Some levels ask you to think further ahead, where one early choice shapes the whole board. Why You'll Love It A fresh duck sorting twist makes every match feel alive, and clean, low-randomness puzzles mean good planning actually pays off. It's perfect for a quick breather, with enough depth for longer sessions, and you can play offline whenever and wherever you like. It's a great fit for fans of color sorting, cute puzzle games, and calm brain games. Ready to sort the ducks and find your flow? Download Color Duck Sort and settle into a sorting puzzle built on calm strategy and satisfying progress. Sort the Ducks. Match the Colors. Clear the Board.

Screenshots

Stack Star4 screens
Color Duck Sort4 screens

Verdict

The call

The clearest difference is ads: Color Duck Sort at none against Stack Star's shown. Color Duck Sort also leads on update cadence (every 4 days vs every 9 days) and ratings volume (16 vs 4). On price, rating, in-app purchases and monetization model 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. Stack Star sells 10 one-off in-app purchases and Color Duck Sort sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Stack Star against 5.0 for Color Duck Sort. Both are backed by a comparable volume of ratings — 4 and 16 respectively.

UpkeepUpdate frequency

Stack Star ships an update every 9 days, Color Duck Sort every 4 days. Both last shipped on November 10, 2026.

Scorecard3 real differences · 6 level
Stack Star versus Color Duck Sort: the parameters behind the verdict, then further details
ParameterStack StarColor Duck Sort
PriceFreeFree
Rating5.0 (4 ratings)5.0 (16 ratings)
Number of ratings416 — better
Update frequencyEvery 9 daysEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size361 MB308 MB
Age rating4+12+
DeveloperMoonstep GamesPLAY2EVER GAMES LIMITED

In-app purchases

10 purchases

Stack Star

One-time10
  • Starter Pack$0.99
  • 1000 Coins$1.99
  • Star Bundle$4.99
Show 7 more
  • No Ads$7.99
  • Super Bundle$9.99
  • Mega Bundle$19.99
  • Giant Bundle$49.99
  • 50000 Coins$59.99
  • 100000 Coins$89.99
  • Ultimate Bundle$99.99
10 purchases

Color Duck Sort

One-time10
  • Royal Pack$154.99
  • Royal Coin Pack$159.99
  • Epic Pack$164.99
Show 7 more
  • Epic Coin Pack$169.99
  • Legend Pack$174.99
  • Legend Coin Pack$179.99
  • Ultimate Pack$184.99
  • Ultimate Coin Pack$189.99
  • Infinity Pack$194.99
  • Infinity Coin Pack$199.99

Questions

Is Stack Star free?
Stack Star is free to download, with in-app purchases available.
Is Color Duck Sort free?
Color Duck Sort is free to download, with in-app purchases available.
Which has better reviews, Stack Star or Color Duck Sort?
Stack Star and Color Duck Sort are both rated 5.0 out of 5 on the App Store, from 4 and 16 ratings respectively.
Do Stack Star or Color Duck Sort have ads?
Stack Star shows ads; Color Duck Sort does not.
Which is updated more often, Stack Star or Color Duck Sort?
Stack Star ships an update every 9 days, and Color Duck Sort every 4 days. Most recently, Stack Star was updated on November 10, 2026 and Color Duck Sort on November 10, 2026.

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