# Sudoku: Sudoku Puzzle — Sudoku puzzles for Sudoku fans

> Classic number puzzle game for brain training and stress relief. (iPhone/iPad app by 原 高.)

- Source: https://appshunter.io/ios/app/sudoku-sudoku-puzzle/id1415474002 (this page in markdown: same URL + `.md`)
- Developer: [原 高](https://appshunter.io/developer/1415474001)
- Category: Games, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.70/5 from 365 App Store ratings · 86 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 80 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2018-08-02
- Data updated: 2026-07-17
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-sudoku-puzzle/id1415474002/reviews.md

## What is Sudoku?

Fun Anti-Stress Game
Sudoku (Soduko) Classic Puzzle is one of the classic mind-relieving number games that combine math games and observation training, distracting you from the stress of daily chores and heavy responsibilities. Relax and have fun!

Best Brain Games
Brain training is healthy for both kids and adults, keeping your mind strong and active. Sudoku (Soduko) Classic Puzzle is one of the most integrated brain games to train your brain and strengthen your logic skills, sharpen your memory, and boost reasoning & problem-solving abilities.

Proper Difficulty Levels for Anyone
For newcomers or advanced players, there are different difficulty levels to choose from: Easy, Medium, Hard & Expert. The easy start will not scare your interest away while the challenging difficulty level will keep you entertained even if you are so familiar with this classic sudoku free puzzles.

Auto-Checker & Highlight
Do you ever need to squint your eyes to find out the duplicate numbers in the traditional Sudoku games? No more! Sudoku (Soduko) Classic Puzzle comes with an auto-checker that will automatically highlight the duplicate numbers to ease your eyes! It will also highlight the repeated numbers in selected Cell, Row, Column & Box for easier gameplay.

Sudoku Free Games for iPad & iPhone
You can download and play Sudoku (Soduko) Classic Puzzle anywhere & anytime you want for free! One of the most addictive no WiFi games for iPad and iPhone users, no mobile data needed.

More Highlights that Set Us Apart
*Swift & smooth animation, no lags
*Does not take up much storage on your devices
*Large & easy-to-tap buttons
*Different color schemes to choose
*Larger Sudoku board to see better

Sudoku Number Puzzles Play Features
*Duplicate number checking
*Auto highlight of Cell/Row/Column/Box
*Undo as well as erasing
*Note down possible numbers & remove notes via a tap
*Hints to help you figure it out
*Pause, restart or reset the difficulty level anytime you want
*Statistics tracking
____________________
How to Play Sudoku Puzzle Game
1. Sudoku board is a grid of 81 cells (nine 3x3 subgrids).
2. Fill all the empty cells with numbers to win the game.
3. Each of the 9 subgrids must include all the numbers from 1 to 9.
4. Each number must not be repeated in a row/column/subgrid.

About Sudoku Number Puzzles
Sudoku is a number game originated in Switzerland, but the word "Sudoku" is actually a Japanese word due to its early popularity in Japan. "Sudoku" is made up of "Su" (means "number" in English) and "Doku" (means "single" in English). Sometimes, Sudoku may be misspelled as Suduko, Soduko, Sudoko, Suduku, Soduku, Sodoku, Sedoku, Seduko, Sudo, etc.


Terms of service: https://tsinginc.com/terms-of-service/

## Key features

- Multiple difficulty levels (Easy, Medium, Hard, Expert)
- Auto-checker for duplicate numbers
- Highlighting of selected cell, row, column, and box
- Undo and erase functions
- Note-taking for possible numbers
- Hints for assistance
- Statistics tracking

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Sudoku Premium | $9.99 | per 7 days |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove ADs | $2.99 | one-time |
| 10 Hints | $1.99 | one-time |
| 50 Hints | $7.99 | one-time |
| 500 Hints | $29.99 | one-time |
| 1000 Hints | $39.99 | one-time |


## What do users think of Sudoku?

Overall sentiment: positive

**Pros**

- 👍 Easy to use and intuitive interface
- 🧠 Great brain exercise and mental workout
- 🎮 Multiple difficulty levels for all skill levels
- ⚡ Fast and responsive gameplay
- 🎨 Clean, simple design without unnecessary features
- 🌙 Dark mode available
- 📊 Helpful number highlighting and row/column indicators
- 🎯 Notes system for strategic gameplay
- 😌 Relaxing and stress-relieving experience
- 🔇 Minimal ads compared to other apps (some users)
- 📱 Variety of grid sizes (6x6, 9x9, etc.)

**Cons**

- 📢 Excessive and intrusive advertisements
- 🎬 Ads with audio that startle users
- 🎯 Misleading ad placement (subscribe button overlaps start button)
- 💰 Expensive subscription pricing (£9.99/week)
- 🐛 Input registration issues with numbers
- 🔄 UI toggle between notes and numbers is confusing
- ⏱️ Ads interrupt game timer and best time tracking
- 🎵 Repetitive music that becomes tedious
- 🎮 Interface overhaul made gameplay worse for some users
- 💬 Excessive push notifications promoting the app
- ❌ Hint button non-functional or misleading

**Commonly reported bugs**

- Numbers don't always register when entered
- Game doesn't recognize completion and timer continues
- Pencil notes unresponsive (at least 50% of the time for some users)
- Puzzle logic errors - won't accept correct answers
- Ad overlay blocks close button on settings page
- Ad appears after page load, causing accidental subscription clicks
- Highlighting makes concentration difficult and cannot be toggled off
- Tips/hints feature doesn't work properly

**Most requested features**

- Restart/start over button for games
- Daily challenge feature
- Ability to increase difficulty beyond current maximum
- Better hint system that suggests strategy rather than revealing answers
- Center notation option
- Multiple square highlight feature
- Color pencil marks for notes
- Prevention of adding notes to rows/columns that already contain the number
- Game completion recognition (timer should stop automatically)
- Improved definition of highlighted numbers
- Circle highlight for other numbers being worked on

## Recent user reviews (10 of 86)

All indexed reviews: https://appshunter.io/ios/app/sudoku-sudoku-puzzle/id1415474002/reviews.md

### 5/5 — Sodoku

*2024-03-18, version 1.53*

Excelente presentación ágil con la notable ausencia de resultados estadísticos. Gracias por el servicio.

### 5/5 — Buena App

*2024-03-07, version 1.53*

Lo más importante es que no tiene comerciales es rápida y me gusta mucho!

### 4/5 — Se puede jugar con publicidad apropiada.

*2024-01-24*

Bueno

### 5/5 — Its okay

*2023-07-17, version 1.53*

The platform is easy and clear

### 5/5 — Interesante e intuitiva

*2023-05-31, version 1.53*

Buenos momentos, relaja te e intuitiva!!!

### 5/5 — Sudoku

*2023-01-13, version 1.53*

Best sudoku ever

### 4/5 — Entertaining game

*2022-11-27, version 1.53*

Keeps my brain going

### 3/5 — Start over button.

*2022-11-01*

A re-start game button would be nice.

### 5/5 — Best sudoku game

*2022-01-20, version 1.52*

Excellent game if you like sudoku you will like this Easy to play

### 5/5 — Review

*2022-01-13, version 1.51*

Gradually increasing the challenge.,

## Frequently asked questions about Sudoku

### What is this app?

This app offers a classic Sudoku number puzzle experience designed for relaxation and brain training. It provides various difficulty levels, from easy to expert, and includes features to help players solve puzzles more effectively.

### What are the key features of this Sudoku app?

Key features include multiple difficulty levels, an auto-checker to highlight duplicate numbers, highlighting of selected cells, rows, columns, and boxes, undo/erase functions, note-taking, hints, and statistics tracking. It also boasts smooth animations and a user-friendly interface.

### Is this app free to download and play?

Yes, the app is free to download and play, and can be enjoyed offline without needing a mobile data connection. It also offers in-app purchases, which may enhance the user experience.

### What devices is this app compatible with?

The app is available for iPad and iPhone users. It is designed to be efficient and does not take up much storage space on your devices.

### Who is this app for and what are common use cases?

This app is for anyone looking to relieve stress, train their brain, and sharpen logic and memory skills. Common use cases include playing during commutes, breaks, or as a relaxing activity to distract from daily responsibilities.

## Version history (last 5 releases)

### 1.55 — 2024-04-16

Sudoku free games for adults and kids to unleash and reach the peak of your thinking potential! Classic puzzle number games for anyone who's seeking fun and challenge!

### 1.53 — 2022-03-17

- Bug fixes for a better experience!

### 1.52 — 2022-01-19

- Bug fixes for a better experience!

### 1.51 — 2021-07-17

- Bug fixes for a better experience!

### 1.45 — 2021-03-20

Here is the new version of Sudoku!
- Bug fixes for a better experience!
Thank you for your support and have fun playing this classic sudoku game!

## Apps similar to Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [▻Sudoku - Classic Brain Game](https://appshunter.io/ios/app/sudoku-classic-brain-game/id366247306) | 4.8 (656,914) | Free | Games |
| [▻Sudoku +](https://appshunter.io/ios/app/sudoku-plus/id372283316) | 4.8 (14,213) | $4.99 | Games |
| [Sudoku :)](https://appshunter.io/ios/app/sudoku/id398990729) | 4.7 (58,351) | Free | Games |
| [⋆Sudoku](https://appshunter.io/ios/app/sudoku/id418044512) | 4.7 (160,928) | Free | Games |
| [Sudoku SE](https://appshunter.io/ios/app/sudoku-se/id285755462) | 4.6 (1,768) | Free | Games |
| [Sudoku by Joseph](https://appshunter.io/ios/app/sudoku-by-joseph/id421136193) | 4.7 (2,384) | Free | Games |

## More apps by 原 高

- [Mahjong Games Deluxe](https://appshunter.io/ios/app/mahjong-games-deluxe/id1437476812)
- [Solitaire Card Game Deluxe](https://appshunter.io/ios/app/solitaire-card-game-deluxe/id1438487994)
- [Merge Spaceship](https://appshunter.io/ios/app/merge-spaceship/id1438953875)
- [Word Games - Crossy Words Link](https://appshunter.io/ios/app/word-games-crossy-words-link/id1441268868)
- [Word Swipe Connect: Stacks](https://appshunter.io/ios/app/word-swipe-connect-stacks/id1481675916)

All apps by 原 高: https://appshunter.io/developer/1415474001

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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 2026-07-17.*