# Solitaire Stack Sort vs Quack Sort

Solitaire Stack Sort and Quack Sort both sit at 4.8 stars, but that hides the real split: 69% of Quack Sort's written reviews are positive against 54% of Solitaire Stack Sort's. Quack Sort also leads on chart position (#118 vs unranked). Solitaire Stack Sort's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Solitaire Stack Sort sells 19 one-off in-app purchases and Quack Sort sells 17 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 — 4.8 for Solitaire Stack Sort against 4.8 for Quack Sort. Both are backed by a comparable volume of ratings — 3K and 1.6K respectively. Written reviews are what separate them: 54% of Solitaire Stack Sort's written reviews are positive against 69% of Quack Sort's.

Solitaire Stack Sort ships an update every 5 days, Quack Sort every 4 days. Both last shipped on October 12, 2026.

## The numbers

| Metric | Solitaire Stack Sort | Quack Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (3K ratings)](https://appshunter.io/ios/app/solitaire-stack-sort/id6776496366/reviews) | [4.8 (1.6K ratings)](https://appshunter.io/ios/app/quack-sort-loop-puzzle/id6791110153/reviews) |
| Number of ratings | **3K** | 1.6K |
| Positive reviews | 54.3% of reviews | **68.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#118** |
| Size | 371 MB | 399 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [HM Games LLC FZ](https://appshunter.io/developer/1882569974) | [LE TECH CO.,LIMITED](https://appshunter.io/developer/1742170855) |

## What reviewers say

### Solitaire Stack Sort

[App page](https://appshunter.io/ios/app/solitaire-stack-sort/id6776496366)

A relaxing card puzzle game that blends strategic sorting with satisfying merge mechanics. Organize, stack, and merge matching cards to create higher-value cards and train your brain.

**Highlights:** Unique Solitaire Puzzle Gameplay, Satisfying Card-Merging Mechanics, Brain-Training Puzzle Fun, Smooth Visuals and Animations, Simple Controls, Deep Strategy, Powerful Boosters

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| High Card Pack | $0.99 | one-time |
| Event Sale 1 | $0.99 | one-time |
| Limited Offer 1 | $0.99 | one-time |
| Gold 1 | $1.99 | one-time |
| Beginner Bundle 1 | $1.99 | one-time |
| Beginner Bundle 2 | $4.99 | one-time |
| Lose Offer 1 | $4.99 | one-time |
| Limited Offer 2 | $4.99 | one-time |
| Remove ads | $6.99 | one-time |
| Gold 2 | $7.99 | one-time |
| Elite pack | $9.99 | one-time |
| Limited Offer 3 | $9.99 | one-time |
| Beginner Bundle 3 | $9.99 | one-time |
| Beginner Bundle All | $12.99 | one-time |
| Gold 3 | $14.99 | one-time |
| Mega pack | $19.99 | one-time |
| Gold 4 | $29.99 | one-time |
| Gold 5 | $54.99 | one-time |
| Gold 6 | $99.99 | one-time |


### Quack Sort

[App page](https://appshunter.io/ios/app/quack-sort-loop-puzzle/id6791110153)

**Currently charting:** #118 Top Grossing · Puzzle, #134 Top Grossing · Casual, #163 Top Free · Puzzle, #178 Top Free · Casual (US App Store)

Engage in a unique color-sorting puzzle where you tap groups of rubber ducks to send them onto a looping track. Match ducks by color and plan your moves carefully to avoid filling the path. Clear all ducks to complete clever levels with surprising obstacles and rewarding challenges.

**Highlights:** Color-sorting rubber duck puzzles, Looping track mechanic, Tap to send ducks, Match and sort by color, Manage limited space, Clever levels with obstacles, Helpful boosters

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mini Coin Pack | $1.99 | one-time |
| Small Offer | $1.99 | one-time |
| Starter Bundle | $1.99 | one-time |
| Revive Offer1 | $1.99 | one-time |
| Medium Offer | $4.99 | one-time |
| Quack Bundle | $4.99 | one-time |
| Revive Offer2 | $4.99 | one-time |
| Small Coin Pack | $7.99 | one-time |
| Ducky Pass | $9.99 | one-time |
| Large Bundle | $9.99 | one-time |
| Ad-Free Bundle | $11.99 | one-time |
| Super Bundle | $19.99 | one-time |
| Big Coin Pack | $29.99 | one-time |
| Mega Bundle | $39.99 | one-time |
| Super Coin Pack | $59.99 | one-time |
| Mega Coin Pack | $99.99 | one-time |
| Epic Bundle | $99.99 | one-time |


## Frequently asked questions

### Is Solitaire Stack Sort free?

Solitaire Stack Sort is free to download, with in-app purchases available.

### Is Quack Sort free?

Quack Sort is free to download, with in-app purchases available.

### Which has better reviews, Solitaire Stack Sort or Quack Sort?

Solitaire Stack Sort and Quack Sort are both rated 4.8 out of 5 on the App Store, from 3K and 1.6K ratings respectively.

### Do Solitaire Stack Sort or Quack Sort have ads?

Both Solitaire Stack Sort and Quack Sort show ads.

### Which is updated more often, Solitaire Stack Sort or Quack Sort?

Solitaire Stack Sort ships an update every 5 days, and Quack Sort every 4 days. Most recently, Solitaire Stack Sort was updated on October 12, 2026 and Quack Sort on October 12, 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.*