# Sudoku9 Pro vs Polyomino

The clearest difference is price: Polyomino at Free against Sudoku9 Pro's $2.99. Polyomino also leads on in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Polyomino is free to download; Sudoku9 Pro costs $2.99 up front. Sudoku9 Pro sells 1 one-off in-app purchase. Polyomino asks for nothing beyond the download.

## The numbers

| Metric | Sudoku9 Pro | Polyomino |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/sudoku9-pro/id386917779/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 70.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 13 MB |
| Requires iOS | 12.0 | **7.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gyuhyeon Jeon](https://appshunter.io/developer/353770805) | [Yuki Fujimoto](https://appshunter.io/developer/467085185) |

## What reviewers say

### Sudoku9 Pro

[App page](https://appshunter.io/ios/app/sudoku9-pro/id386917779)

Engage in a world of Sudoku with this app, offering five distinct game types and infinite puzzles. Features include daily global competitions, auto-saving, memo functions, and undo/redo capabilities. Track your progress, compete on leaderboards, and enjoy a customizable gaming experience.

**Highlights:** Five Sudoku game types, Daily worldwide competitions, Infinite puzzles, Auto-saving and undo/redo, Memo and auto-memo functions, Game Center integration and rankings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint 50 | $0.99 | one-time |


### Polyomino

[App page](https://appshunter.io/ios/app/polyomino/id1114281101)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sudoku9 Pro free?

Sudoku9 Pro costs $2.99, and also offers in-app purchases.

### Is Polyomino free?

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

### Do Sudoku9 Pro or Polyomino have ads?

Sudoku9 Pro shows ads; Polyomino does not.

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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.*