# Ninefold: Calm Sudoku — Relaxing logic puzzles offline

> Relaxing logic puzzles offline (iPhone/iPad app by Tung Luu Manh.)

- Source: https://appshunter.io/ios/app/ninefold-calm-sudoku/id6816399520 (this page in markdown: same URL + `.md`)
- Developer: [Tung Luu Manh](https://appshunter.io/developer/1759749856)
- Category: Games, Board, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 26.0 · 11 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Russian, Chinese (Simplified, China), European Spanish, Vietnamese
- Released: 2026-09-30
- Data updated: 2026-10-02

## What is Ninefold?

Sudoku should feel clear, not crowded.

Ninefold is a calm, focused Sudoku game for solving at your own pace. Every puzzle is generated on your device with one unique solution, so there is always a fresh board ready when you are.

CHOOSE YOUR CHALLENGE
Start with Easy, settle into Medium, or test your logic with Hard and Expert boards.

USE THE TOOLS YOU NEED
Add pencil marks, undo moves, check your board, reveal a cell with a hint, or swap to a new puzzle.

BUILD YOUR RHYTHM
Follow your completion count, solving time, streak, progress, mistakes, and achievements in a local journal.

MADE FOR YOUR SPACE
Choose light, dark, or system appearance. Play in nine languages with an interface designed for focus and accessibility.

PLAY ANYWHERE
No account is required. Puzzles are generated on-device, and your board, preferences, and gameplay statistics are stored locally. Core gameplay works offline.

## Is Ninefold safe?

Not enough ratings yet to assess Ninefold.

## Is Ninefold legit?

Ninefold: Calm Sudoku appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Ninefold is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0.0 — 2026-09-30

No release notes.

## More apps by Tung Luu Manh

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- [Love story - Love day counter](https://appshunter.io/ios/app/love-story-love-day-counter/id6777691058)
- [AstroDraw: Draw 3D AR viewer](https://appshunter.io/ios/app/astrodraw-draw-3d-ar-viewer/id6787862284)
- [Sweepy - Photo Cleaner](https://appshunter.io/ios/app/sweepy-photo-cleaner/id6796933451)

All apps by Tung Luu Manh: https://appshunter.io/developer/1759749856

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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 2026-10-02.*