# Sudoku Master 9x9 — Classic Logic Puzzle Game

> Classic Logic Puzzle Game (iPhone/iPad app by 海涛 张.)

- Source: https://appshunter.io/ios/app/sudoku-master-9x9/id6767763317 (this page in markdown: same URL + `.md`)
- Developer: [海涛 张](https://appshunter.io/developer/1894749044)
- Category: Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 16 MB
- Languages: American English
- Released: 2026-05-13
- Data updated: 2026-08-10
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-master-9x9/id6767763317/reviews.md

## What is Sudoku Master 9x9?

Pure Sudoku. Zero Distractions.

A clean Sudoku puzzle game for beginners and experienced players alike. No ads, no subscriptions, no in-app purchases — just you and the grid.

A Focused Sudoku Experience:
- Quick to Start: Open the app and begin playing right away.
- Lightweight: Small app size with minimal storage use.
- Easy to Control: Large buttons designed to reduce mis-taps.
- Immersive: A full-screen experience with no ad pop-ups or interruptions.

9 Difficulty Levels. Fresh Puzzles Anytime.
Start with gentle beginner puzzles and work your way up to expert-level grids that require advanced solving techniques. Puzzles are generated algorithmically and checked for a unique solution. When you need a little help, the smart hint system gives you a useful nudge without spoiling the fun.

Everything You Need:
- Undo / Reset with 20-step history
- Auto and manual note-taking
- Real-time conflict detection and error highlighting
- Smart row, column, and box highlighting
- 3 color themes: Light, Dark, and Sepia
- Local leaderboard to track your best times by difficulty

Play Anywhere:
- Optimized for iPhone and iPad
- Crisp, high-resolution display support
- Fully playable offline, including in airplane mode
- Auto-save keeps your current progress ready when you return

Full Game. One Purchase.
No ads. No in-app purchases. No subscriptions.

Have fun :)


## Version history (last 1 release)

### 1.0 — 2026-05-13

No release notes.

## More apps by 海涛 张

- [Who's Not Human](https://appshunter.io/ios/app/whos-not-human/id6762617611)
- [Virtual Pet Simulator](https://appshunter.io/ios/app/virtual-pet-simulator/id6767230099)
- [Light Diary: Daily Journal](https://appshunter.io/ios/app/light-diary-daily-journal/id6767800450)
- [HabitCore: Daily Tracker](https://appshunter.io/ios/app/habitcore-daily-tracker/id6768903895)
- [Crazy Company Simulator](https://appshunter.io/ios/app/crazy-company-simulator/id6773634749)

All apps by 海涛 张: https://appshunter.io/developer/1894749044

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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 2026-08-10.*