# Sudoku Hero vs Quack Sort

The clearest difference is in-app purchases: Sudoku Hero at none against Quack Sort's 17. Sudoku Hero also leads on ads (none vs shown) and update cadence (daily vs every 5 days). Quack Sort's advantage is chart position (#98 vs unranked) and iOS requirement (15.0 vs 26.1). On price and device support there is nothing between them.

Both are free to download. Quack Sort sells 17 one-off in-app purchases. Sudoku Hero asks for nothing beyond the download.

Sudoku Hero ships an update daily, Quack Sort every 5 days. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Sudoku Hero | Quack Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (3K ratings)](https://appshunter.io/ios/app/quack-sort-loop-puzzle/id6791110153/reviews)** |
| Number of ratings | — | **3K** |
| Positive reviews | — | 63.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#98** |
| Size | 4 MB | 403 MB |
| Requires iOS | 26.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OANA RINALDI](https://appshunter.io/developer/1709880614) | [LE TECH CO.,LIMITED](https://appshunter.io/developer/1742170855) |

## What reviewers say

### Sudoku Hero

[App page](https://appshunter.io/ios/app/sudoku-hero/id6756328392)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quack Sort

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

**Currently charting:** #98 Top Grossing · Puzzle, #103 Top Grossing · Casual, #183 Top Free · Puzzle, #196 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 Sudoku Hero free?

Sudoku Hero is free to download, with no in-app purchases.

### Is Quack Sort free?

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

### Do Sudoku Hero or Quack Sort have ads?

Quack Sort shows ads; Sudoku Hero does not.

### Which is updated more often, Sudoku Hero or Quack Sort?

Sudoku Hero ships an update daily, and Quack Sort every 5 days. Most recently, Sudoku Hero was updated on October 8, 2026 and Quack Sort on October 23, 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.*