# Sudoku - 静心数独 — Take a breath, fill the grid

> Take a breath, fill the grid (iPhone/iPad app by 朝军 窦.)

- Source: https://appshunter.io/ios/app/sudoku/id6794146538 (this page in markdown: same URL + `.md`)
- Developer: [朝军 窦](https://appshunter.io/developer/6773538640)
- Category: Games, Board, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 24 MB
- Languages: American English
- Released: 2026-07-30
- Data updated: 2026-08-02
- User reviews in markdown: https://appshunter.io/ios/app/sudoku/id6794146538/reviews.md

## What is Sudoku?

Sudoku, made calm.

A beautifully minimal sudoku game built for focus, not clutter. Every puzzle has exactly one solution, hand-graded across five difficulty levels so the challenge always fits your mood.

FEATURES
• Five difficulties — Beginner, Easy, Medium, Hard, Expert, each with genuinely distinct challenge
• Unique solutions — every puzzle is guaranteed to have one and only one answer
• Daily Challenge — a new puzzle every day, the same for everyone
• Smart hints — stuck? Get a hint that shows you the next logical step, never a random guess
• Pencil marks — jot candidate numbers just like on paper
• Mistake tracking, undo/redo, and an auto-notes helper
• Statistics — track your best times, win rate, and daily streak
• Five calming themes and nine languages
• Fully offline — no ads, no account, no tracking. Your game stays on your device.

Take a breath and fill the grid.


## Version history (last 1 release)

### 1.0 — 2026-07-30

No release notes.

## More apps by 朝军 窦

- [TimeMap: Daily Tracker](https://appshunter.io/ios/app/timemap-daily-tracker/id6773639048)
- [TrailCam: Hike & Trail Tracker](https://appshunter.io/ios/app/trailcam-hike-and-trail-tracker/id6781192222)
- [PHONO: English Phonetics & IPA](https://appshunter.io/ios/app/phono-english-phonetics-and-ipa/id6783243417)
- [Bible Clock - Daily Verse](https://appshunter.io/ios/app/bible-clock-daily-verse/id6783667599)
- [CreedOS](https://appshunter.io/ios/app/creedos/id6784066075)
- [Voice Studio: Recorder](https://appshunter.io/ios/app/voice-studio-recorder/id6786519066)

All apps by 朝军 窦: https://appshunter.io/developer/6773538640

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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 2026-08-02.*