# Stack Star vs Color Duck Sort

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.

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.

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.

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

## The numbers

| Metric | Stack Star | Color Duck Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/stack-star-color-sort/id6770474297/reviews) | [5.0 (16 ratings)](https://appshunter.io/ios/app/color-duck-sort/id6810483326/reviews) |
| Number of ratings | 4 | **16** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 361 MB | 308 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Moonstep Games](https://appshunter.io/developer/1827009450) | [PLAY2EVER GAMES LIMITED](https://appshunter.io/developer/1829381081) |

## What reviewers say

### Stack Star

[App page](https://appshunter.io/ios/app/stack-star-color-sort/id6770474297)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| 1000 Coins | $1.99 | one-time |
| Star Bundle | $4.99 | one-time |
| No Ads | $7.99 | one-time |
| Super Bundle | $9.99 | one-time |
| Mega Bundle | $19.99 | one-time |
| Giant Bundle | $49.99 | one-time |
| 50000 Coins | $59.99 | one-time |
| 100000 Coins | $89.99 | one-time |
| Ultimate Bundle | $99.99 | one-time |


### Color Duck Sort

[App page](https://appshunter.io/ios/app/color-duck-sort/id6810483326)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Royal Pack | $154.99 | one-time |
| Royal Coin Pack | $159.99 | one-time |
| Epic Pack | $164.99 | one-time |
| Epic Coin Pack | $169.99 | one-time |
| Legend Pack | $174.99 | one-time |
| Legend Coin Pack | $179.99 | one-time |
| Ultimate Pack | $184.99 | one-time |
| Ultimate Coin Pack | $189.99 | one-time |
| Infinity Pack | $194.99 | one-time |
| Infinity Coin Pack | $199.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*