# Sudoku4k: Logic Puzzle games — Math and Number Brain Puzzles

> Classic Sudoku number puzzle game with multiple difficulty levels and offline play. (iPhone/iPad app by Cool GamApp Limited.)

- Source: https://appshunter.io/ios/app/sudoku4k-logic-puzzle-games/id1600746208 (this page in markdown: same URL + `.md`)
- Developer: [Cool GamApp Limited](https://appshunter.io/developer/885791901)
- Category: Games, Education, Board, Puzzle
- Price: Free
- Rating: 4.70/5 from 36 App Store ratings · 7 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 158 MB
- Languages: Danish, Ukrainian, Russian, Catalan, Hungarian, Norwegian Bokmål, Indonesian, Turkish, Greek, German (Germany) and 19 more
- Released: 2021-12-18
- Data updated: 2026-08-14
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/sudoku4k-logic-puzzle-games/id1600746208/reviews.md

## What is Sudoku4k?

Sudoku4k is an addictive Sudoku puzzle game.
You get 1000+ challenging Sudoku number puzzles to train your brain
Classic Sudoku the puzzle games for your brain, memory and logical thinking.

How To Play
1. To start a free game, please select the difficulty required.
2. You will see a 9x9 grid, which contains 9 3x3 boxes. Some squares already contain numbers.
3. To complete the puzzle, you must fill each block on the grid with 1-9 numbers. 
4. The numbers 1-9 should appear exactly once in each row, column, and box 3 x 3.

Key Features
1. Sudoku puzzles come in 4 difficulty levels - easy, medium, hard and expert! Perfect for Sudoku beginners and advanced players!
2. Intelligent Hints - Get hints when you are stuck
3. Note tracker to track your notes
4. Erase notes.
5. Highlight Duplicates to avoid repeating numbers in a row, column and block.
6. Undo your moves to revert back to the previous states.
7. Keep record of your best time and average time in every difficulty levels. 
8. Relaxing and calming background music.
9. No Wifi games, play offline and without internet.

## Key features

- 1000+ Sudoku puzzles
- 4 difficulty levels
- Intelligent hints
- Note tracker
- Highlight duplicates
- Offline play
- Relaxing background music

## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/sudoku4k-logic-puzzle-games/id1600746208/reviews.md

### 5/5 — 这是一个很好的软件

*2025-07-18*

让我们感受到数独的奇特之处

### 5/5 — Jeu passionnant .

*2024-03-02*

Je suis très heureuse d’avoir découvert ce sudoku bien mieux conçu que beaucoup d’autres.
Enfin, je peux jouer sans être horripilée par les coupures de publicité.

### 5/5 — Landet bei skills mit in meinen Lebenslauf! Ihr Säcke.

*2023-04-09*

Okay

### 2/5 — Zu viel Werbung

*2023-02-07*

Leider nach jedem Bild Werbung 😔

### 5/5 — 数独很好玩

*2022-09-29*

练智力开发大脑

### 5/5 — 喜欢

*2022-03-28*

数独不错提供逻辑思维

### 5/5 — 너무 좋아요

*2022-03-14*

처음에는 되게어려울거갔았는데 막상해보니까 정말 재미있어요 별점5개 드릴게요

## Frequently asked questions about Sudoku4k

### What is Sudoku4k?

Sudoku4k is a classic Sudoku puzzle game designed to train your brain, memory, and logical thinking. It offers over 1000 challenging puzzles across four difficulty levels.

### Can I play Sudoku4k offline?

Yes, Sudoku4k is a no-WiFi game, meaning you can play offline and without an internet connection.

### What difficulty levels are available in Sudoku4k?

Sudoku4k features four difficulty levels: easy, medium, hard, and expert, making it suitable for both beginners and advanced players.

### Does Sudoku4k have ads?

Yes, Sudoku4k contains advertisements.

### What are the key features of Sudoku4k?

Key features include intelligent hints, a note tracker, the ability to erase notes, highlight duplicates, an undo function, and a record of best and average times for each difficulty level.

### What is the age rating for Sudoku4k?

Sudoku4k has an age rating of 4+, making it suitable for a wide range of players.

### How often is Sudoku4k updated?

The latest version of Sudoku4k is 1.1, and it was last updated on December 3, 2022.

### What devices does Sudoku4k support?

Sudoku4k is available on iPhone, iPad, and iPod.

## Version history (last 2 releases)

### 1.1 — 2022-12-03

iOS 16 Compatible

### 1.0 — 2021-12-18

No release notes.

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All apps by Cool GamApp Limited: https://appshunter.io/developer/885791901

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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 2026-08-14.*