Best Classic Sudoku Online Apps & Games

228+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated May 2026

Whether you're new to classic sudoku online or looking for an upgrade, our curated collection of 228+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Classic Sudoku Online

⋆Sudoku#2

⋆Sudoku by Brainium Studios LLC

Classic Sudoku Logic Puzzles
Strong Contender
🎮 Games
4.7😐(161K ratings)
FreeAdsIn-App Purchases
⋆Sudoku screenshot 1
⋆Sudoku screenshot 2
⋆Sudoku screenshot 3
⋆Sudoku screenshot 4
⋆Sudoku screenshot 5
⋆Sudoku screenshot 6

Immerse yourself in the world of classic Sudoku puzzles with an updated, user-friendly app that offers various difficulty levels, helpful hints, beautiful design, and daily challenges to keep your mind sharp. Perfect for beginners and experts alike, this app provides endless fun and relaxation while enhancing your logic and problem-solving skills. Challenge yourself today!

What We Love

  • 🚀 Challenging but not too challenging
  • 👍 Great for learning advanced techniques
  • 👍 Helpful hints that teach strategies
  • 👍 Relaxing and soothing game

Room to Improve

  • 🐛 Frequent crashes and glitches
  • 🔍 Difficult to see numbers and patterns
  • 🔍 Inconsistent difficulty levels
Sudoku - Brain Puzzle Games#3

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

Jeux de Sudoku quotidiens
Worth Considering
🎮 Games
4.8😐(299K ratings)
FreeAdsIn-App Purchases
#40in 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

More Classic Sudoku Online apps to explore

4
Sudoku Puzzle - Brain Games
Sudoku Puzzle - Brain Games
Sudoku Puzzle - Brain Games
Classic Sudoku & Math Games
Free

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!

🎮 Games
(84K)
5
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)
6
▻Sudoku
▻Sudoku
▻Sudoku
Best games, classic games :)
Free

Experience a new level of Sudoku with a smart point system, runs tracking, and online leaderboards. Enjoy thousands of free puzzles with varying levels of difficulty, and compete with friends and strangers through Game Center. Testers rave about its addictiveness and smooth gameplay.

🎮 Games
(653K)
7
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)
8
Sudoku ◆
Sudoku ◆
Sudoku ◆
Sudoku Logic Puzzle Card Game
Free

Experience the ultimate Sudoku game with customizable boards and multiple difficulty levels, perfect for beginners and experts alike. Track your progress, improve your skills, and challenge yourself with relaxing or challenging puzzles. Download now and start playing!

🎮 Games
(18K)
9
Sudoku - Classic Sudoku Games
Sudoku - Classic Sudoku Games
Sudoku - Classic Sudoku Games
Sudoku (Soduku) Brain Puzzles
Free

Enjoy endless free Sudoku puzzles with hints and notes for all difficulty levels. Train your brain with this intuitive and polished Sudoku game that offers a challenge or assistance to suit your style. Start playing now!

🎮 Games
(19K)
10
Sudoku Master - Brain Games
Sudoku Master - Brain Games
Sudoku Master - Brain Games
Fun classic math match number
Free

Play classic sudoku puzzles, unlock your brain, and challenge yourself with thousands of puzzles. Install now to become a Sudoku Master!

🎮 Games
(5K)
11
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)
12
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)
13
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)
14
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)
15
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)
16
Sudoku Fever - Logic Games
Sudoku Fever - Logic Games
Sudoku Fever - Logic Games
Classic sudoku logic puzzles
Free

Enjoy the best classic sudoku puzzles on your iOS device with various difficulty levels, beautiful themes, and a user-friendly interface. Sharpen your skills with this free Sudoku game offering endless challenges.

🎮 Games
(250)
17
Sudoku Deluxe® Social
Sudoku Deluxe® Social
Sudoku Deluxe® Social
Classic Soduko and Great Tools
Free

Experience the best Sudoku game with advanced tools, unique themes, and thousands of puzzles in one app. Join the Team Tournament to compete with friends and showcase your skills. Challenge yourself and enhance your Sudoku experience with premium features and beautiful HD graphics.

🎮 Games
(736)
18
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)
19
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)
20
Sudoku - online game
Sudoku - online game
Sudoku - online game
Solve sudoku puzzles online
Free

Play classic sudoku puzzles online with friends or people worldwide, enjoying features like thousands of puzzles, multiplayer, auto-saving, and customizable themes. Start solving now and challenge yourself with different difficulty levels, expert mode, and track your progress with statistics and leaderboards.

🎮 Games
(11)