# Sudoku Master: Offline Puzzle — Classic puzzles, six levels

> Classic puzzles, six levels (iPhone/iPad app by HNH CO. LTD..)

- Source: https://appshunter.io/ios/app/sudoku-master-offline-puzzle/id6801860424 (this page in markdown: same URL + `.md`)
- Developer: [HNH CO. LTD.](https://appshunter.io/developer/1070142003)
- Category: Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 34 MB
- Languages: American English
- Released: 2026-08-20
- Data updated: 2026-10-03

## What is Sudoku Master?

A clean, classic sudoku that gets out of your way.

Every puzzle is generated fresh and checked to have exactly one solution — no
guessing, no dead ends. Six difficulty levels take you from a gentle start to
grids with the bare minimum of clues.

FEATURES
• Six levels: Easy, Medium, Hard, Expert, Master, Extreme
• Pencil marks for candidate numbers, exactly as you would on paper
• Undo and redo as far back as you like
• Hints when a grid stops giving
• Mistake counter and a running timer
• A chime each time you finish a row, column or box
• Scoring that rewards speed and accuracy, with a multiplier per difficulty
• Per-level statistics: best score, average score, average time
• Six colour themes, each with a light and dark version
• Twelve languages
• Your game saves itself — close the app mid-puzzle and pick it up later

NO INTERRUPTIONS
No adverts. No account. No timers pushing you to buy anything. The game works
completely offline and collects nothing about you.

HOW SCORING WORKS
Score = (1000 + time bonus) × difficulty multiplier − mistakes ×50 − hints ×100
The time bonus counts down from 900 seconds, so a faster solve scores higher.
Harder levels multiply the result by up to 3.5.

## Is Sudoku Master safe?

Not enough ratings yet to assess Sudoku Master.

## Is Sudoku Master legit?

Sudoku Master: Offline Puzzle has limited verification signals. The AppsHunter Legitimacy Score for Sudoku Master is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.0.2 — 2026-08-29

- Placing a correct number now clears that digit from the pencil marks in the same row, column and box
- Pencil marks matching the number in the selected cell are highlighted

### 1.0.1 — 2026-08-26

- The app now opens in your device's language the first time you install it
- Reset and New Game now ask before clearing your work
- Fixed the tool buttons being pushed off screen on smaller phones
- Fixed long button labels overflowing in some languages

### 1.0 — 2026-08-20

No release notes.

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## More apps by HNH CO. LTD.

- [Owldoku: Logic Puzzles](https://appshunter.io/ios/app/owldoku-logic-puzzles/id6813404259)

All apps by HNH CO. LTD.: https://appshunter.io/developer/1070142003

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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 2026-10-03.*