# Sudoku - Soduko - Soduku — Classic Sudoku Puzzles

> Classic Sudoku puzzles with modern features for brain training and stress relief. (iPhone/iPad app by RuiQing Software Technology Beijing Inc..)

- Source: https://appshunter.io/ios/app/sudoku-soduko-soduku/id1407295066 (this page in markdown: same URL + `.md`)
- Developer: [RuiQing Software Technology Beijing Inc.](https://appshunter.io/developer/1332622366)
- Category: Games, Entertainment, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.70/5 from 269 App Store ratings · 52 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 162 MB
- Languages: American English, French (France), German (Germany), Hindi, Indonesian, Japanese, Korean, European Portuguese, Russian, Chinese (Simplified, China) and 2 more
- Released: 2018-07-26
- Data updated: 2026-07-17
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-soduko-soduku/id1407295066/reviews.md

## What is Sudoku?

Funniest Sudoku Ever
Sudoku - Soduko - Soduku is evolved from tradition Sudoku game but comes with new features that get rid of the annoying parts within:

>> Highlight of Repeated Numbers
>> Highlight of Chosen Cell, Row, Column & Box
>> Customizable Difficulty Level
>> Erasing & Unlimited Undo
>> Pencil to Mark Possible Numbers
>> Hints
>> Sleek Animation & Operation
>> Customizable Color Scheme

Anti-Stress Games
Solving Sudoku free puzzles can help you release your stress, clearing your head to get your peak back. It's also a good company on your way to/from work and before bedtime.

Easily Train Your Brain
Sudoku - Soduko - Soduku presents super easy free games for iPad and iPhone, which means that you can have your brain exercised via simple controls - tapping on your iPad & iPhones screens.

Play Sudoku Free, Anywhere, Anytime
Sudoku - Soduko - Soduku can be downloaded and played for free. It's one of the most addictive math games and no WiFi games around, which can be enjoyed without cellular data at all, whenever & wherever you want.

Brain Games for Adults & Kids
This Sudo game is for everyone - no matter you are a kid, adult or senior, you can always find set a suitable level for your purpose.

Game Center Associated
You want to know how well you do in the Sudoku game? The app will log into Game Center and show you your rank and the leaderboards of all best players in all game levels.

Customizable Color Themes
You can choose the color themes as you want, making the gaming even more pleasant and easier for your eyes wherever you are.
____________________

How to Play: Rules of Sudoku Puzzle Game (possibly misspelled as Soduko, Soduku, Sodoku, Suduko, Suduku, Sudoko, Sedoku, Seduko, etc.)

*Fill the blank cells of the 9x9 Sudoku board.
*Each row, column and 3x3 boxes must include the numbers from 1 to 9.

## Key features

- Highlight repeated numbers
- Highlight chosen cell, row, column, and box
- Customizable difficulty levels
- Unlimited undo and erasing
- Pencil marks for possible numbers
- Hints and Game Center integration
- Customizable color themes

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| 50 Hints | $8.99 | one-time |
| 1000 Hints | $49.99 | one-time |
| 10 Hints | $2.99 | one-time |
| 500 Hints | $39.99 | one-time |


## What do users think of Sudoku?

Overall sentiment: positive

**Pros**

- 👍 Great pastime
- 🧠 Active brain exercise
- 🧘 Peaceful practice
- 🎮 Addictive and fun
- ✨ Well-designed layout
- 💡 Adjustable difficulty/hints
- 💯 Smooth running game
- 🚀 Minimal advertisements
- 🌟 Professional layout
- 👍 Good for beginners
- 🏆 Best Sudoku version
- 🤩 Entertaining and engaging
- 🧠 Keeps mind alive and active
- 🏃‍♂️ Like a run for the mind
- ✅ Easy to use buttons
- 💯 High-quality graphics
- 👍 Good for spare time
- 🎯 Challenging on all levels
- 👍 Great mind challenge
- 💯 Excellent expert quiz
- 👍 Great game
- 👍 Enjoyable
- 👍 Love the game
- 👍 Fun to play
- 👍 Good way to exercise brain

**Cons**

- ⚠️ Frequent and intrusive ads
- ❌ Limited tries (3 wrong moves)
- 🐛 Glitchy gameplay
- 🐛 App registers wrong number
- 🐛 Game crashes
- 🐛 Screen touch issues
- 🐛 Ghost moves

**Commonly reported bugs**

- Ads pop up too frequently
- App sometimes puts the wrong number
- Game ends after 3 wrong moves
- Game crashes part way through
- App registers a different number than pressed
- Flakey screen touch creates ghost moves
- Gameplay is glitchy, requires multiple selections
- Number selected is not always the number entered

**Most requested features**

- Remove ads
- Make game harder
- Increase rectangle and number sizes
- Option to buy out of ads

## Recent user reviews (10 of 52)

All indexed reviews: https://appshunter.io/ios/app/sudoku-soduko-soduku/id1407295066/reviews.md

### 5/5 — Thank you!

*2024-09-10, version 1.54*

Thank you só much for this wonderful game that I can do any time. I do discipline myself though, to only one game a day - it can be very addictive 😄

### 1/5 — Disappointing

*2024-01-11, version 1.54*

Soduku is a great pastime, shame about the con artist ads that pop up all too frequently.

### 5/5 — Excellent

*2023-06-17, version 1.53*

This is an exciting game

### 5/5 — Perfect

*2022-07-25, version 1.53*

Great peaceful practice

### 4/5 — Active brain

*2022-03-21, version 1.53*

Luv the challenge.

### 4/5 — Ads

*2022-02-20, version 1.53*

If the Ads can be removed, I’ll be so happy 🙃

### 4/5 — Kam1332

*2021-12-10, version 1.52*

It was a balanced and challenging game. Very good setup arrangement.

### 5/5 — Awesome,I just love this game!

*2021-09-07, version 1.52*

Everything about the game is perfect!!!!!!!!!!!!!!

### 5/5 — Way to go

*2021-08-22, version 1.52*

Great game.  Would be better with less commercials though.

### 5/5 — Sudoku-soduko-soduku

*2021-07-23, version 1.52*

Great smooth running game

## Frequently asked questions about Sudoku

### What is this app?

This app offers classic Sudoku puzzles with modern enhancements. It includes features like highlighting repeated numbers, customizable difficulty, and helpful tools such as hints and pencil marks to make the gameplay more enjoyable and less frustrating.

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

Key features include highlighting repeated numbers, highlighting the chosen cell and its related row, column, and box, customizable difficulty levels, unlimited undo and erasing, a pencil tool for marking possible numbers, hints, and customizable color themes for a personalized experience.

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

Yes, the app can be downloaded and played for free. It is described as one of the most addictive math and no WiFi games, meaning you can enjoy it without needing an internet connection. There are in-app purchases available.

### What devices is this app compatible with?

The app presents super easy free games for iPad and iPhone. You can exercise your brain via simple controls by tapping on your iPad and iPhones screens.

### Who is this Sudoku game for?

This Sudoku game is designed for everyone, including kids, adults, and seniors. It offers customizable difficulty levels, making it suitable for players of all skill levels who want to train their brain or simply relax.

## Version history (last 5 releases)

### 2.0.2 — 2026-03-25

Version 2.0.2 is here with a brand-new look!
We are taking your classic Sudoku puzzle game to the next level!
Modern UI Design: Discover our beautifully refreshed, user-friendly interface. Playing your favorite number game has never been so smooth and visually pleasing.
Daily Brain Training: Challenge yourself with our new Daily Challenges! Master new logic puzzles every day to keep your brain active and mind sharp.
Performance Boost: We've polished the app for a faster, distraction-free puzzle experience.
Dive into the ultimate Sudoku experience today! Love the update? Don't forget to rate us!

### 1.54 — 2023-09-20

- Bug fixes for a better experience!

### 1.53 — 2022-01-19

- Bug fixes for a better experience!

### 1.52 — 2021-03-09

Exercise Your Brain! A new version of Sudoku is available!
- Optimized performance!
- Bug fixes for a better experience!
Thank you for your support and have fun playing!

### 1.51 — 2020-12-10

Exercise Your Brain!
A new version of Sudoku is available!

- Optimized performance!
- Bug fixes for a better experience!

Thank you for your support and have fun playing!

## Apps similar to Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [Sudoku SE](https://appshunter.io/ios/app/sudoku-se/id285755462) | 4.6 (1,768) | Free | Games |
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| [Sudoku :)](https://appshunter.io/ios/app/sudoku/id398990729) | 4.7 (58,351) | Free | Games |
| [Sudoku by Joseph](https://appshunter.io/ios/app/sudoku-by-joseph/id421136193) | 4.7 (2,384) | Free | Games |

## More apps by RuiQing Software Technology Beijing Inc.

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All apps by RuiQing Software Technology Beijing Inc.: https://appshunter.io/developer/1332622366

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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.*