# Sudoku: Killer, Classic Sudoku — Brain Training, Logic Puzzle

> Classic, Killer, and Mini Sudoku logic puzzle game with multiple difficulty levels. (iPhone/iPad app by Kemal Bakacak.)

- Source: https://appshunter.io/ios/app/sudoku-killer-classic-sudoku/id6476656409 (this page in markdown: same URL + `.md`)
- Developer: [Kemal Bakacak](https://appshunter.io/developer/1475963902)
- Category: Games, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.70/5 from 10 App Store ratings
- Age rating: 4+
- Requires: iOS 15.0 · 68 MB
- Languages: American English, Dutch, German (Germany), Hindi, Japanese, Korean, Brazilian Portuguese, Russian, Latin American Spanish, Turkish
- Released: 2024-02-19
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/sudoku-killer-classic-sudoku/id6476656409/reviews.md

## What is Sudoku?

Sudoku is a great game and addictive puzzle game in App Store. Have fun and train your brain. Classic Sudoku game designed to challenge and delight puzzle enthusiasts of all levels. You can download freely to your device and enjoy the Sudoku puzzle game. This app has thousands of classic sudoku puzzles to help you keep your brain active, unwind from stress or relax. Install to play now!

Classic sudoku is designed for beginners and advanced players. You can choose difficulty level. Game's difficulty divided in 5 different level. You can choose whenever you want from easy to extreme.

Classic Sudoku consists of a 9×9 grid with numbers appearing in some of the squares. The object of the puzzle is to fill the remaining squares, using all the numbers 1–9 exactly once in each row, column, and the nine 3×3 subgrids.

Also, you can play some Sudoku modes. Explore Killer Sudoku and discover a refreshing take on the Classic Sudoku. It's same board and rules with Classic Sudoku. Also, the sum of the numbers in the cells of a cage need to match the value in the upper left corner.

Did you try Mini Sudoku? Easy and funny experience. Mini Sudoku consists of a 6×6 grid with numbers appearing in some of the rectangles. Using all the numbers from 1 to 6 exactly once like Classic Sudoku in each row, column, and the 2×3 subgrids.

Get an amazing sudoku experience:

- Take notes to keep track of possible numbers. Every time you fill in a cell, your notes are automatically updated!
- Hints help to you when you get stuck.
- View your statistics and track your progress.
- Unlimited undo.
- Choose dark or light mode related to your device.
- Automatically highlighted to selected row, column and block. Also, if you choose to number, same numbers will highlight.
- Choose your difficulty level and become Expert. Designed 5 different difficulty levels from easy to extreme. (Easy, Medium, Hard, Master, Extreme)
- Daily Challenges! Each day new challenge. Complete in a month and get a unique Wreath.
- Clean layout. All of required things in a screen.
- Smart keyboard. If you use all one of number, this will not display in your keyboard.
- Available offline mode. You can play any difficulty level without internet. Daily challenges are required to internet.
- Keep your last game progress. If you leave any game unfinished, you can continue that game if you want. All of daily challenges will keep automatically.
- Auto check. When you write to a number, you will see the result.
- Play extra game modes. Mini Sudoku and Killer Sudoku. That's funny.
Don't give up, enjoy game, challenge your brain!

Subscription and Pricing:
If you choose to purchase, payment will be charged to your iTunes account, and your account will be charged for renewal within 24-hours prior to the end of the current period. Auto-renewal may be turned off at any time by going to your settings in the iTunes Store after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable

Current subscription starts from $1.99 USD/month.

Subscriptions can be deactivated at the following link: https://support.apple.com/en-us/HT202039
Privacy Policy: https://kemalbakacak.com/agreements/sudoku-classic-sudoku-games/privacy_policy.html
Terms of Use: https://kemalbakacak.com/agreements/sudoku-classic-sudoku-games/terms_and_conditions.html

## Key features

- Classic Sudoku
- Killer Sudoku
- Mini Sudoku
- 5 Difficulty Levels
- Daily Challenges
- Offline Mode
- Progress Statistics

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly - Classic Sudoku Game | $1.99 | per month |
| Yearly - Logic Strategy Puzzle | $9.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime - Daily Challenge | $14.99 | one-time |



## Frequently asked questions about Sudoku

### What are the different Sudoku modes available in Sudoku?

Sudoku offers Classic Sudoku, Killer Sudoku, and Mini Sudoku. Killer Sudoku adds cage sums to the classic rules, while Mini Sudoku uses a smaller 6x6 grid.

### Does Sudoku have ads?

Yes, Sudoku contains advertisements. This allows the game to be offered for free to players.

### Can I play Sudoku offline?

Yes, you can play any difficulty level of Sudoku without an internet connection. However, daily challenges require an internet connection to participate.

### How many difficulty levels are there in Sudoku?

Sudoku features five distinct difficulty levels, ranging from Easy to Extreme. This allows players of all skill levels to find a suitable challenge.

### What are the subscription options for Sudoku?

Sudoku offers a monthly subscription for $1.99 and a yearly subscription for $9.99, which includes a 3-day free trial. Payment is charged to your iTunes account.

### Does Sudoku offer hints or an undo feature?

Yes, Sudoku provides hints to help you when you get stuck and offers unlimited undo functionality. Notes can also be taken and are automatically updated.

### What is the age rating for Sudoku?

Sudoku is rated 4+ by the App Store, making it suitable for a wide range of players. It is designed for brain training and logic puzzle enthusiasts.

### How often is Sudoku updated?

The latest version of Sudoku is 3.29.0, last updated on May 14, 2026. Updates typically bring new challenges and improvements to the game.

## Version history (last 5 releases)

### 3.34.0 — 2026-08-13

Thank you for playing Sudoku: Mini & Classic Sudoku. In this version,

- Fixed game opened as filling issue after completed successfully.

Thank you for your continued support.

### 3.33.0 — 2026-08-08

Thank you for playing Sudoku: Mini & Classic Sudoku. In this version,

- Made localization improvements.

Thank you for your continued support.

### 3.32.0 — 2026-07-18

Thank you for playing Sudoku: Mini & Classic Sudoku. In this version,

- Updated the game saving flows to fix some issues.

Thank you for your continued support.

### 3.31.0 — 2026-07-11

Thank you for playing Sudoku: Mini & Classic Sudoku. In this version,

- Added new daily levels and monthly icons.

Thank you for your continued support.

### 3.30.0 — 2026-05-31

Thank you for playing Sudoku: Mini & Classic Sudoku. In this version,

- Refined the design to improve overall quality and consistency.

Thank you for your continued support.

## Apps similar to Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku • Classic Sudoku Games](https://appshunter.io/ios/app/sudoku-classic-sudoku-games/id6448398501) | 4.8 (4) | Free | Games |
| [Killer Sudoku X - Brain Puzzle](https://appshunter.io/ios/app/killer-sudoku-x-brain-puzzle/id1642479638) | 4.9 (12) | Free | Games |
| [Killer Sudoku Puzzle Games](https://appshunter.io/ios/app/killer-sudoku-puzzle-games/id1538715282) | 4.4 (8) | Free | Games |
| [Sudoku Packs](https://appshunter.io/ios/app/sudoku-packs/id528392366) | 4.6 (113) | Free | Games |
| [Daily Killer Sudoku](https://appshunter.io/ios/app/daily-killer-sudoku/id6472809546) | 5.0 (2) | Free | Games |
| [Killer Sudoku Challenge](https://appshunter.io/ios/app/killer-sudoku-challenge/id1481922813) | 1.0 (1) | Free | Games |

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All apps by Kemal Bakacak: https://appshunter.io/developer/1475963902

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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 2026-08-26.*