Best Cool Online Sudoku Apps & Games

222+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated June 2026

Sudoku is the household name in cool online sudoku, but it's far from the only option. We track 222+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Top Picks for Cool Online Sudoku

Sudoku - Brain Puzzle Games#1

Sudoku - Brain Puzzle Games by OAKEVER GAMES PTE. LTD.

Jeux de Sudoku quotidiens
Editor's Choice
🎮 Games
4.8😐(299K ratings)
FreeAdsIn-App Purchases
#23in Games
Sudoku - Brain Puzzle Games screenshot 1
Sudoku - Brain Puzzle Games screenshot 2
Sudoku - Brain Puzzle Games screenshot 3
Sudoku - Brain Puzzle Games screenshot 4
Sudoku - Brain Puzzle Games screenshot 5
Sudoku - Brain Puzzle Games screenshot 6

Enjoy 5000 challenging Sudoku puzzles of varying difficulties every day with this addictive brain puzzle game. Test your logic and memory skills while having a great time - download now for iPhone!

What We Love

  • 🚀 Fun game with different difficulty levels
  • 👍 Minimal ads between games
  • 🧠 Challenges the mind
  • 🌟 Useful features like pencil mode and hints

Room to Improve

  • 🔍 Unclear purpose of tickets
  • 🔀 Automatic number selection in map mode
  • 🔧 Auto-complete feature changed to on/off
Sudoku Puzzle - Brain Games#2

Sudoku Puzzle - Brain Games by Guru Smart Holding Limited

Classic Sudoku & Math Games
Strong Contender
🎮 Games
4.9😊(80K ratings)
FreeAdsIn-App Purchases
#64in Games
Sudoku Puzzle - Brain Games screenshot 1
Sudoku Puzzle - Brain Games screenshot 2
Sudoku Puzzle - Brain Games screenshot 3
Sudoku Puzzle - Brain Games screenshot 4
Sudoku Puzzle - Brain Games screenshot 5
Sudoku Puzzle - Brain Games screenshot 6

Challenge your mind with our stimulating Sudoku Puzzle app. Exercise your brain with endless puzzles and various difficulty levels. Download now and test your problem-solving skills!

What We Love

  • 🚀 Great classic sudoku
  • 👍 Excellent wifi-free sudoku puzzling
  • 👍 Fun and entertaining
  • 👍 Awesome brain work out!

Room to Improve

  • 🔍 Good game lots of ads
  • 🔍 Some level inconsistencies!
  • 🔍 Overrides background sounds

More Cool Online Sudoku apps to explore

4
Sudoku ▦
Sudoku ▦
Sudoku ▦
Sudoku (Soduku) Brain Puzzles
Free

Play Sudoku puzzles on your phone with thousands of free, well-formed challenges. Enjoy a classic Sudoku experience with features like hints, mistake checking, and customizable difficulty levels. Challenge yourself or relax with this timeless brain-teaser.

🎮 Games
(104K)
5
Killer Sudoku by Sudoku.com
Killer Sudoku by Sudoku.com
Killer Sudoku by Sudoku.com
Math crossword & number puzzle
Free

Experience the ultimate challenge with a math-based crossword app that will test your logic and problem-solving skills. Tackle complex puzzles and enhance your reasoning abilities. Ready to conquer the Killer Sudoku challenge?

🎮 Games
(213K)
6
Sudoku SE
Sudoku SE
Sudoku SE
by Mighty Mighty Good Games
Free

A popular app that offers challenging Sudoku puzzles with various difficulty levels. Test your logic and problem-solving skills for hours of entertainment. Download now to start playing!

🎮 Games
(1.8K)
7
Sudoku (Full Version)
Sudoku (Full Version)
Sudoku (Full Version)
by genina.com
Free

Experience the ultimate Sudoku app with 4 difficulty levels, various input modes, intelligent hints, and the ability to track your progress online through competitions and high scores. Never lose your progress with auto-save and enjoy a seamless puzzle-solving experience. Connect with our support team for any queries or feedback. Follow us on social media for updates and visit our website to start playing now!

🎮 Games
(8.4K)
8
Sudoku・
Sudoku・
Sudoku・
by Optime Software LLC
Free

Embark on a Sudoku journey set in feudal Japan with an iOS app offering dual keypad entry, smart notes, error checking, and multiple difficulty levels. Download now for free and experience Sudoku as it should be played!

🎮 Games
(11K)
9
Sudoku ′
Sudoku ′
Sudoku ′
Sudoku free of distraction
Free

A classic number puzzle game app for Sudoku enthusiasts of all levels with unlimited grids, 6 difficulty levels, daily challenges, and user-friendly design. Features include fast gameplay, small storage footprint, intuitive interface, and a variety of customizable options. Available on all Apple devices. Send feedback or request features to help@mindthefrog.com.

🎮 Games
(37K)
10
Sudoku - No ads
Sudoku - No ads
Sudoku - No ads
sudoku solver & sudoku classic
Free

Resolve Sudoku puzzles effortlessly with this ad-free solver app. Enjoy a distraction-free experience while tackling challenging puzzles. Download now and master Sudoku with ease.

📚 Education
(3.5K)
11
Sudoku - Daily Puzzles
Sudoku - Daily Puzzles
Sudoku - Daily Puzzles
Daily Sudoku Puzzles Game
Free

Play challenging daily Sudoku puzzles with varying difficulty levels, thousands of free unique levels, and helpful features like notes and boosters. Train your brain, compete with others worldwide, and enjoy a stimulating puzzle experience both online and offline. Install now and sharpen your Sudoku skills!

🎮 Games
(3.7K)
12
Microsoft Sudoku
Microsoft Sudoku
Microsoft Sudoku
Microsoft Sudoku
Free

Enjoy a variety of classic and irregular Sudoku puzzles with varying difficulty levels in this app. Challenge yourself with daily puzzles, track your stats, customize your gameplay, and get rid of ads with a Premium subscription. Start playing now and keep your mind sharp!

🎮 Games
(6.8K)
13
Sudoku: Train Brain Puzzles
Sudoku: Train Brain Puzzles
Sudoku: Train Brain Puzzles
Play Sudoku, enjoy the logic!
Free

Train your brain with this Sudoku puzzle game that offers over 20,000 unique puzzles and 8 difficulty levels. Enjoy features like Smart Hints, Pencil Mode, and offline play. Start playing now for a fun and challenging experience!

🎮 Games
(17K)
14
Sudoku· Classic Puzzle Games
Sudoku· Classic Puzzle Games
Sudoku· Classic Puzzle Games
Logic Puzzle Math Number Games
Free

Enjoy the classic Sudoku game for free with varying difficulty levels, hints, and features like pencil marks and error correction. Train your brain daily, solve puzzles offline, and save your progress to continue later. Start playing Sudoku today!

🎮 Games
(60K)
15
Big Bad Sudoku Book
Big Bad Sudoku Book
Big Bad Sudoku Book
by Bad Weasel, LLC
Free

Experience the top-ranked Sudoku game loved by millions worldwide. Challenge your mind with various puzzles and levels for endless fun and brain-teasing entertainment. Download now and start playing!

🎮 Games
(1.5K)
16
Sudoku by Staple Games
Sudoku by Staple Games
Sudoku by Staple Games
by Staple Games
Free

Exercise your mind with our official Sudoku puzzle game! Fill the grid with numbers 1-9 in each row, column, and sub-grid. Enjoy daily challenges, multiple levels, note-taking features, hints, and more. Download now for some brain-teasing fun!

🎮 Games
(100K)
17
Sudoku Blast!
Sudoku Blast!
Sudoku Blast!
5-min sudoku, number fun
Free

Solve number puzzles with Sudoku Pro! Challenge your mind with this Math Quiz game. Download now and put your skills to the test!

🎮 Games
(71K)
18
Sudoku·
Sudoku·
Sudoku·
High Quality Sudoku Cards
Free

Pass the time and challenge your mind with this classic Sudoku game featuring daily challenges, four levels of difficulty, note-taking abilities, hints, and more. Download now for mind-challenging fun!

🎮 Games
(17K)
19
Sudoku - Number Brain Games
Sudoku - Number Brain Games
Sudoku - Number Brain Games
Classic Sudoku Math Puzzle
Free

Enjoy the classic Sudoku math puzzle game with 5000 challenging puzzles daily. Choose from four difficulty levels, complete daily challenges, and use helpful features like notes mode, hints, and automatic saving. Challenge yourself and unwind with this popular brain game available on the App Store!

🎮 Games
(9.2K)
20
Sudoku :)
Sudoku :)
Sudoku :)
Soduku Logic Puzzle Card Game
Free

Train your brain anytime, anywhere with this classic Japanese logic puzzle game. Play Sudoku on your mobile device for a challenging and fun experience that sharpens your mind.

🎮 Games
(58K)