# Sudoku - Evolve Your Brain — Upgrade your intelligence!

> A free Sudoku game with multiple levels, hints, and offline play. (iPhone/iPad app by Ninecats games Inc..)

- Source: https://appshunter.io/ios/app/sudoku-evolve-your-brain/id1434863192 (this page in markdown: same URL + `.md`)
- Developer: [Ninecats games Inc.](https://appshunter.io/developer/1350067921)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.30/5 from 10 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 11.0 · 133 MB
- Languages: English, Japanese, Korean
- Released: 2019-02-24
- Data updated: 2026-06-10
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-evolve-your-brain/id1434863192/reviews.md

## What is Sudoku?

Born as an amoeba! 
You can become a human only if you increase your intelligence with Sudoku!

Enjoy Sudoku with beautiful themes. 
You can gain high intelligence and logical thinking ability in no time when you learn with hints. 


KEY FEATURES

* Sudoku with solution method!
Using hints, solving process will appear to help you improve your skills.

* 8 diverse levels!
Is this your first time doing Sudoku? Or are you bored of solving the same tedious ones? There are 8 diverse levels that everyone, from beginners to professionals, can enjoy.

* Over 5,000 proper puzzles to be solved with every technique ever known!
There are 1,000 Sudoku for each level. In addition, every Sudoku has only one solution.
Solve Sudoku using a variety of techniques, including Cross Hatching, Naked/Hidden Pair/Triple/Quadruple, X-Wing, XY-Wing, Swordfish, Simple colors etc..

* Sudokus are NOT random!
You can enjoy the same Sudoku with your friends. See if your friends can beat your record!

* Beautiful themes!
You can apply themes of your taste unlike the other stiff Sudoku. Complete quests and get special themes.

* Various Convenience!
A variety of accommodations are available; start game with your notes, undo, redo, auto error check, activate note mode with gestures, quick number input, repeated number writing, highlight areas, and etc.

* Airplane Mode and Offline Support
Play anywhere without the data!



Sudoku is completely free to play but some optional in-game items will require payment.

## Key features

- Solution method hints
- 8 diverse difficulty levels
- Over 5,000 unique puzzles
- Beautiful customizable themes
- Offline play support
- Convenience features (notes, undo, auto-check)

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Hint x 180 | $11.99 | one-time |
| Quick Mode x 180 | $11.99 | one-time |
| Hint x 20 | $1.99 | one-time |
| Quick Mode x 75 | $5.99 | one-time |
| Hint x 75 | $5.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Quick Mode x 20 | $1.99 | one-time |


## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/sudoku-evolve-your-brain/id1434863192/reviews.md

### 5/5 — Best sudoku game ever

*2019-03-30*

정말 재미있게 잘 즐기고 있습니다~
From clien user

**Developer response:** 감사합니다 :)

## Frequently asked questions about Sudoku

### Does Sudoku have ads?

Yes, Sudoku contains advertisements. This is common for free-to-play puzzle games that offer optional in-app purchases.

### Can I play Sudoku offline?

Yes, Sudoku supports airplane mode and offline play. You can enjoy the game anywhere without needing a data connection.

### How many Sudoku puzzles are available?

Sudoku offers over 5,000 proper puzzles to be solved, with 1,000 puzzles for each of its 8 diverse levels.

### What are the difficulty levels in Sudoku?

Sudoku features 8 diverse levels, catering to everyone from beginners to professionals, ensuring a suitable challenge for all skill sets.

### Does Sudoku offer hints to help players?

Yes, Sudoku provides hints that show the solving process, helping players improve their skills and learn new techniques.

### What devices is Sudoku compatible with?

Sudoku is compatible with iPhone, iPad, and iPod devices, allowing a wide range of Apple users to play.

### How often is Sudoku updated?

The latest version of Sudoku was released on November 11, 2022. The app is updated periodically to introduce new content and improvements.

### What makes Sudoku's puzzles unique?

The Sudoku puzzles are not random and are designed to have only one solution. This allows players to enjoy the same puzzle and compare their performance with friends.

## Version history (last 5 releases)

### 1.1.37 — 2022-11-11

* Bug fixes and performance improvements.

### 1.1.28 — 2021-10-05

* Bug fixes and performance improvements.
* No longer supports Sign In with Facebook.

### 1.1.27 — 2021-06-01

* Bug fixes and performance improvements.

### 1.1.18 — 2019-12-15

* Added 'Happy Christmas' theme.
* Added 1,000 Sudokus for each level.
* Bug fixes and performance improvements.

### 1.1.16 — 2019-11-27

* Bug fixes and performance improvements.

## Apps similar to Sudoku

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| --- | --- | --- | --- |
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| [Sudoku Kingdom - Master Puzzle](https://appshunter.io/ios/app/sudoku-kingdom-master-puzzle/id1396034181) | 4.5 (4) | Free | Games |
| [Sudoku V+, soduko puzzle game](https://appshunter.io/ios/app/sudoku-v-plus-soduko-puzzle-game/id657073193) | — | Free | Games |
| [Sudoku - Sudoku Offline](https://appshunter.io/ios/app/sudoku-sudoku-offline/id1559844396) | — | Free | Games |

## More apps by Ninecats games Inc.

- [Little Odd Galaxy](https://appshunter.io/ios/app/little-odd-galaxy/id1350067922)
- [Tabby Town](https://appshunter.io/ios/app/tabby-town/id1489435753)

All apps by Ninecats games Inc.: https://appshunter.io/developer/1350067921

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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 2026-06-10.*