Best Online Sudoku Apps & Games

233+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated July 2026

If you already know Sudoku.com, this is the deeper bench. 233+ online sudoku apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of July 2026.

Top Picks for Online Sudoku

Sudoku.com - Number Games#1

Sudoku.com - Number Games by Easybrain Ltd

Classic sudoku brain puzzle
Editor's Choice
🎮 Games
4.8😐(1.8M ratings)
FreeAdsIn-App Purchases
#7in Games
Sudoku.com - Number Games screenshot 1
Sudoku.com - Number Games screenshot 2
Sudoku.com - Number Games screenshot 3
Sudoku.com - Number Games screenshot 4
Sudoku.com - Number Games screenshot 5
Sudoku.com - Number Games screenshot 6

Engage your mind with a classic number puzzle game. Offers thousands of puzzles for all skill levels, from beginner to expert. Features tools like hints and auto-check to aid your gameplay and track your progress.

What We Love

  • 🚀 Smooth gameplay
  • 👍 Customizable settings
  • 💡 Helpful hints and strategies
  • 🎨 Appealing visual design

Room to Improve

  • 🔍 Cluttered UI with too many ads
  • 🔋 High battery drain
  • 🐛 Bugs causing crashes and freezes
Sudoku - Brain Puzzle Games#2

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

Jeux de Sudoku quotidiens
Strong Contender
🎮 Games
4.8😐(303K ratings)
FreeAdsIn-App Purchases
#84in 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

Engage your mind with over 5,000 classic Sudoku puzzles across multiple difficulty levels. Enjoy daily challenges, smart hints, and customizable themes for a stress-free, offline gaming experience. Compete globally and explore new puzzle types.

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 ▦#3

Sudoku ▦ by Tripledot Studios

Sudoku (Soduku) Brain Puzzles
Worth Considering
🎮 Games
4.7😐(104K ratings)
FreeAds
Sudoku ▦ screenshot 1
Sudoku ▦ screenshot 2
Sudoku ▦ screenshot 3
Sudoku ▦ screenshot 4
Sudoku ▦ screenshot 5
Sudoku ▦ screenshot 6

Enjoy the classic paper-and-pencil puzzle game on your phone with a clean, elegant design. Challenge your mind with multiple difficulty levels and helpful tools to aid your solving experience.

What We Love

  • 🎮 Great game
  • 💡 Challenging levels
  • 📊 Useful statistics and insights
  • 🧠 Brain-stimulating

Room to Improve

  • 🤖 Too many ads
  • 🕰️ Ads disrupt gameplay
  • 🔇 Loud ads disrupt audio

More Online Sudoku apps to explore

4
Sudoku - online game
Sudoku - online game
Sudoku - online game
Solve sudoku puzzles online
Free

Engage in classic Sudoku puzzles with multiple difficulty levels and a unique online multiplayer mode. Enjoy a clean, paper-like interface with customizable themes and helpful tools like auto-save and error checks. Track your progress with detailed statistics and compete with others globally.

Thousands of Sudoku puzzles4 difficulty levelsOnline multiplayer
🎮 Games
(11)
ad-supported
5
▻Sudoku - Classic Brain Game
▻Sudoku - Classic Brain Game
▻Sudoku - Classic Brain Game
Best games, classic games :)
Free

Experience Sudoku with a unique point system, track your progress with runs, and compete globally on leaderboards. Enjoy thousands of free puzzles with adjustable difficulty and customizable looks.

Smart point systemOnline leaderboardsTrack game runs
🎮 Games
(657K)
free with in-app purchases
6
Sudoku Multiplayer Challenge
Sudoku Multiplayer Challenge
Sudoku Multiplayer Challenge
Play with Friends Easy Classic
Free

Test your Sudoku skills against other players online or practice in single-player mode. Unlock harder levels, earn rewards, and utilize special modes like Notes and Turbo to enhance your gameplay. Daily challenges offer opportunities to earn medals and improve your strategy.

Multiplayer online challengesSingle player practice modeUnlockable harder levels
🎮 Games
(123)
free with in-app purchases
7
Sudoku Duel: Online Sudoku
Sudoku Duel: Online Sudoku
Sudoku Duel: Online Sudoku
by Kaan Efe TAS
Free

Engage in real-time, head-to-head Sudoku battles against friends or other players. This competitive puzzle game emphasizes speed and accuracy, offering both multiplayer challenges and a solo practice mode.

Real-time multiplayer battlesIdentical puzzles for all playersSkill-based logic and speed
🎮 Games
(1)
free
8
⋆Sudoku
⋆Sudoku
⋆Sudoku
Classic Sudoku Logic Puzzles
Free

This app offers a classic Sudoku puzzle experience with a modern design and intuitive controls. It features five difficulty levels, a smart hint system that teaches logic, and daily challenges to keep your mind sharp. Track your progress and enjoy a customizable and relaxing gameplay.

Smart hint system teaches logicFive difficulty levelsDaily puzzle challenges
🎮 Games
(161K)
free with in-app purchases
9
Sudoku Friends - Sudoku
Sudoku Friends - Sudoku
Sudoku Friends - Sudoku
Play Sudoku with Friends
Free

Engage in classic Sudoku puzzles solo or team up with friends to solve challenges together. Offers various difficulty levels, customization options, and helpful tools like hints and pencil notes. Enjoy over 10,000 levels with continuous updates.

Solo and cooperative multiplayer modesMultiple difficulty levels (easy, medium, hard)Pencil mode for notes
🎮 Games
(32)
ad-supported
10
Sudoku Puzzle - Brain Games
Sudoku Puzzle - Brain Games
Sudoku Puzzle - Brain Games
Classic Sudoku & Math Games
Free

Engage your mind with a classic Sudoku puzzle game offering thousands of challenges across four difficulty levels. Features include note-taking, auto-check, daily challenges, and hints to aid your brain training.

Thousands of Sudoku puzzlesFour difficulty levels (Easy, Medium, Hard, Expert)Note-taking mode
🎮 Games
(84K)
free with in-app purchases
11
Sudoku Game - Online/Offline
Sudoku Game - Online/Offline
Sudoku Game - Online/Offline
No Ad Sudoku Game Brain Puzzle
Free

Engage in a classic number puzzle with customizable themes and real-time multiplayer challenges. Track your progress and enjoy a clean, intuitive interface for focused gameplay.

Classic Sudoku gameplayOnline multiplayer matches10 customizable themes
🎮 Games
(5)
freemium
12
Sudoku・
Sudoku・
Sudoku・
by Optime Software LLC
Free

Experience Sudoku in a feudal Japan setting with beautiful graphics and advanced features. This app offers dual keypad entry, smart note-taking, and error checking to enhance your puzzle-solving. With multiple difficulty levels and thousands of puzzles, it caters to all skill levels.

Dual keypad entrySmart notes (auto-notes & manual deletion)Optional error checking
🎮 Games
(11K)
free with in-app purchases
13
Sudoku - Classic Sudoku Games
Sudoku - Classic Sudoku Games
Sudoku - Classic Sudoku Games
Sudoku (Soduku) Brain Puzzles
Free

Engage your mind with a classic Sudoku puzzle game offering an endless supply of challenges. Choose from four difficulty levels and utilize helpful tools like hints and auto-check to enhance your gameplay experience. Train your brain anytime, anywhere with this intuitive and polished application.

Endless free Sudoku puzzlesFour difficulty levelsHints
🎮 Games
(19K)
ad-supported
14
Sudoku SE
Sudoku SE
Sudoku SE
by Mighty Mighty Good Games
Free

Engage in a classic number-placement puzzle with handcrafted challenges across four skill levels. Features include error highlighting, smart note-taking, and hints to aid your solving. Compete with friends and track your progress with detailed statistics.

Handcrafted puzzlesFour skill levelsShow incorrect answers
🎮 Games
(1.8K)
ad-supported
15
Killer Sudoku by Sudoku.com
Killer Sudoku by Sudoku.com
Killer Sudoku by Sudoku.com
Math crossword & number puzzle
Free

Engage in a challenging math crossword and number puzzle experience. Solve thousands of Killer Sudoku puzzles with enhanced gameplay, daily challenges, and seasonal events. Train your brain and become a sudoku master with helpful hints and notes.

Killer Sudoku puzzlesThousands of levelsDaily challenges
🎮 Games
(213K)
free with in-app purchases
16
Big Bad Sudoku Book
Big Bad Sudoku Book
Big Bad Sudoku Book
by Bad Weasel, LLC
Free

This is a classic Sudoku game with a unique approach to hints and scoring. It offers downloadable themes, challenging campaigns, and features designed to feel like a real paper puzzle book but enhanced with digital tools. Enjoy unlimited free play and a focus on brain-powered solving.

Smart hints that guide without giving answersDownloadable themes and puzzle book campaignsArcade-style puzzle scoring based on difficulty
🎮 Games
(1.5K)
paid
17
Sudoku·
Sudoku·
Sudoku·
High Quality Sudoku Cards
Free

Engage your mind with a classic Sudoku puzzle game. Enjoy a clean interface and multiple difficulty levels. Track your progress and compete with others.

Daily ChallengeMultiple difficulty levelsNote taking
🎮 Games
(17K)
ad-supported
18
Sudoku Now!
Sudoku Now!
Sudoku Now!
#1 Classic Sudoku Brain Game
Free

Engage your mind with a classic number puzzle game offering over 20,000 handcrafted puzzles across five difficulty levels. Enjoy daily challenges, smart hints, and a pencil mode for notes. Play offline with features like unlimited undo and auto-save.

Over 20,000 unique puzzles5 difficulty levelsInstant Input Mode
🎮 Games
(10K)
free with in-app purchases
19
Sudoku: Number Puzzle Game!
Sudoku: Number Puzzle Game!
Sudoku: Number Puzzle Game!
Train your brain, Math puzzle
Free

Engage in a classic number logic puzzle designed to sharpen your mind. With over 15,000 puzzles and multiple difficulty levels, it offers a challenging yet accessible experience for all players. Enjoy daily challenges, special events, and helpful tools to enhance your gameplay.

15,000+ Sudoku puzzles6 difficulty levelsJigsaw events
🎮 Games
(22K)
free with in-app purchases
20
Sudoku (Full Version)
Sudoku (Full Version)
Sudoku (Full Version)
by genina.com
Free

This app offers a digital Sudoku experience with multiple difficulty levels and input modes. It includes features like pencil marks, intelligent hints, and auto-saving, allowing you to track progress and compete with others online.

4 difficulty levels3 input modesPencil marks with auto fill/erase
🎮 Games
(8.4K)
free with in-app purchases

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