Free
In-App PurchasesWith Ads

Details

Released
September 4, 2026
Updated
October 31, 2026

Features

Big Sudoku screenshot #1 for iPhone
Big Sudoku screenshot #2 for iPhone
Big Sudoku screenshot #3 for iPhone
Big Sudoku screenshot #4 for iPhone
Big Sudoku screenshot #5 for iPhone
iphone
ipad
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About

This app offers a variety of Sudoku puzzles, from classic 9x9 to larger Samurai and 16x16 grids. It provides tools to help with bookkeeping, like auto pencil marks, without giving away solutions. Enjoy daily challenges, track your progress, and play offline.

✓Multiple Sudoku grid sizes (9x9, Samurai, 16x16)
✓Four difficulty levels per puzzle type
✓Auto pencil mark assistance
✓Daily puzzles for all styles
✓Offline play support
✓Light and dark themes
✓Printable puzzle sharing
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+1

What's New in Big Sudoku

1.1.8

October 31, 2026

Improves the layout on iPad devices when used in portrait orientation.

2

Subscriptions & In-App Purchases

Ad Free 1 Year

All in app advertising removed for 1 year.

$9.991 Year
How to cancel Big Sudoku subscription ⁉️

User reviews

Fun and Challenging Sudoku Experience

Big Sudoku is a fun and engaging app for anyone who enjoys puzzle games. The interface is easy to understand, and the gameplay feels smooth and enjoyable. It's a great way to challenge your mind and pass the time. Definitely worth trying!

fun

Very fun sudoku puzzles and the app overall is super easy to use and also extremely entertaining and enjoyable especially when u don't have any wifi

A fun challenge

Wow, I've never attempted a sudoku game this big before!!

Developer apps

FAQ

What types of Sudoku puzzles does Big Sudoku offer?

Big Sudoku features classic 9x9 puzzles, the complex five-grid Samurai Sudoku, and the giant 16x16 "Super" Sudoku. Each type comes in four difficulty levels, offering a range of challenges for all players.

Does Big Sudoku have hints or cheats?

No, Big Sudoku is designed for a pure solving experience. It does not offer hints or cheats, ensuring that completing a puzzle is a genuine accomplishment.

Can I play Big Sudoku offline?

Yes, you can play Big Sudoku completely offline. No internet connection is needed, making it perfect for playing anywhere, anytime.

How does Big Sudoku help with the puzzle-solving process?

The app assists with the 'bookkeeping' by offering auto pencil marks that update possible numbers for each square. It can also highlight where a chosen number could go, helping you spot patterns without giving away the solution.

Does Big Sudoku have ads?

Yes, Big Sudoku contains advertisements. An optional in-app purchase is available to remove ads entirely for a seamless experience.

What are the subscription options for Big Sudoku?

Big Sudoku offers subscription plans for ad removal, including a 1-month option for $0.99 and a 1-year option for $9.99. These subscriptions provide an ad-free experience.

Is Big Sudoku suitable for all ages?

Big Sudoku is rated for ages 4 and up, making it accessible for a wide range of players. The puzzles offer varying difficulty levels to suit different skill sets.

How often is Big Sudoku updated?

The app was last updated on October 31, 2026, with version 1.1.8. It offers a fresh daily puzzle for each of its three styles every single day.