# Sudoku 9

> Puzzle

Canonical page: [https://chrome-stats.com/d/id403191170](https://chrome-stats.com/d/id403191170)

## Overview

- **ID:** `id403191170`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Gyuhyeon Jeon
- **Category:** Puzzle
- **Rating:** 4.80 / 5 (21 ratings)
- **Version:** 4.930
- **Last updated:** 2024-03-25
- **First published:** 2010-11-15
- **Size:** 20 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/sudoku-9/id403191170)
- **Website:** [http://www.smartoneinc.com](http://www.smartoneinc.com/)
- **Privacy policy:** [http://www.smartoneinc.com/privacy.html](http://www.smartoneinc.com/privacy.html)

## Description

Sudoku 9 is a feature-rich mobile Sudoku game with five puzzle types: Original, Greater Than, Killer, Calculation, and Symbol Sudoku. Enjoy daily puzzles with players worldwide, auto-saving, candidate-number memo, and unlimited undo/redo.

Choose from five difficulties, save bookmarks, access hints every 20 minutes, and benefit from multilingual support, color-coded duplicates, retina display, Game Center rankings, and easy sharing on Facebook and Twitter.

## Rankings

- #240,080 — Overall

## Review summary

Sudoku 9 is highly rated for its breadth of game formats and scalable difficulty, with strong features like performance tracking, time records, and puzzle sharing that keep players engaged. Users praise the depth and consistency, noting it’s more enjoyable than other sudoku apps and great for brain training. A common caveat is the ads: while many reviews report minimal or unobtrusive ads, a subset experiences intrusive pop-ups and interruptions. Overall, the app delivers variety and value, with ads and hints availability as the main trade-offs.

### Pros

- Wide variety of Sudoku games and versions
- Multiple difficulty levels
- Performance tracking and time records
- Ads are minimal or not disruptive
- Engaging, addictive gameplay with long-lasting enjoyment

### Cons

- Ads can be intrusive or disruptive for some users

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Source: [Chrome-Stats](https://chrome-stats.com/d/id403191170)