# Ninebox Sudoku — Classic 9×9 Puzzle Game

> Classic 9x9 Sudoku puzzle game with multiple difficulty levels and helpful features. (iPhone/iPad app by Vinh Tam Tan.)

- Source: https://appshunter.io/ios/app/ninebox-sudoku/id6791256032 (this page in markdown: same URL + `.md`)
- Developer: [Vinh Tam Tan](https://appshunter.io/developer/1839816560)
- Category: Games, Board, Puzzle
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 9 MB
- Languages: American English
- Released: 2026-07-17
- Data updated: 2026-07-28
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/ninebox-sudoku/id6791256032/reviews.md

## What is Ninebox Sudoku?

Ninebox Sudoku is a clean, classic Sudoku experience for iPhone and iPad.

Play traditional 9×9 puzzles with four difficulty levels: Easy, Medium, Hard, and Expert. Use pencil notes to track candidates, get a hint when you’re stuck, and pick up right where you left off with autosave.

Features:
• Classic 9×9 Sudoku grid
• Easy, Medium, Hard, and Expert difficulties
• Pencil notes mode
• Hints when you need help
• Undo and redo
• Mistake tracking
• Pause timer
• Light and dark themes
• Autosave so you can resume later

Relax, focus, and enjoy a fresh puzzle whenever you have a few minutes.

## Key features

- Classic 9x9 Sudoku grid
- Four difficulty levels
- Pencil notes mode
- Hint system
- Autosave functionality
- Light and dark themes

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/ninebox-sudoku/id6791256032/reviews.md

### 5/5 — Perfect for short break

*2026-07-18*

I start a medium puzzle, leave a comeback later. Auto save always work.

### 5/5 — Very good and interesting sudoku

*2026-07-18*

Clean, classic sudoku done right. Notes, hints and autosave make it easy to play a dew minutes or a full puzzle

## Frequently asked questions about Ninebox Sudoku

### What are the difficulty levels in Ninebox Sudoku?

Ninebox Sudoku offers four difficulty levels: Easy, Medium, Hard, and Expert, catering to players of all skill levels.

### Can I save my progress in Ninebox Sudoku?

Yes, Ninebox Sudoku features an autosave function, allowing you to pick up right where you left off at any time.

### Does Ninebox Sudoku offer hints?

Yes, Ninebox Sudoku provides hints to help you when you get stuck on a puzzle.

### What devices is Ninebox Sudoku available on?

Ninebox Sudoku is available for iPhone and iPad devices.

### Does Ninebox Sudoku have ads?

No, Ninebox Sudoku is ad-free, providing an uninterrupted puzzle experience.

### What is the age rating for Ninebox Sudoku?

Ninebox Sudoku has an age rating of 4+, making it suitable for a wide range of players.

### How often is Ninebox Sudoku updated?

The latest version was released on July 17, 2026, with the last update on the same date, indicating recent development activity.

### Can I track my mistakes in Ninebox Sudoku?

Yes, Ninebox Sudoku includes a mistake tracking feature to help you learn from your errors.

## Version history (last 1 release)

### 2026.7.15 — 2026-07-17

No release notes.

## More apps by Vinh Tam Tan

- [My Health Plate](https://appshunter.io/ios/app/my-health-plate/id6752548466)
- [Mood & Breathing Companion](https://appshunter.io/ios/app/mood-and-breathing-companion/id6754110163)
- [Coloring Book - Art Coloring](https://appshunter.io/ios/app/coloring-book-art-coloring/id6754206156)
- [Word Games - Game for Kids](https://appshunter.io/ios/app/word-games-game-for-kids/id6754208167)
- [Chess Game For Kids](https://appshunter.io/ios/app/chess-game-for-kids/id6754891872)
- [Connect Five Tic Tac Toe](https://appshunter.io/ios/app/connect-five-tic-tac-toe/id6790920523)

All apps by Vinh Tam Tan: https://appshunter.io/developer/1839816560

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-28.*