Best Free Sudoku App

249+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated August 2026

If you already know Sudoku, this is the deeper bench. 249+ free sudoku app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Free Sudoku App (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sudoku - Classic Sudoku GamesSudoku - Classic Sudoku GamesFree4.8★ (20K)YesNoAug 2026
2Sudoku.com - Number GamesSudoku.com - Number GamesFree4.8★ (1.8M)YesYesAug 2026
3▻Sudoku - Classic Brain Game▻Sudoku - Classic Brain GameFree4.8★ (659K)YesYesAug 2026
4Sudoku - Brain Puzzle GamesSudoku - Brain Puzzle GamesFree4.8★ (307K)YesYesAug 2026
5Sudoku ▦Sudoku ▦Free4.7★ (104K)YesNoAug 2026
6Sudoku SESudoku SEFree4.6★ (1.9K)YesNoAug 2026
7Sudoku Color - Classic Puzzle!Sudoku Color - Classic Puzzle!Free4.8★ (35K)YesNoAug 2026
8⋆Sudoku⋆SudokuFree4.7★ (161K)YesYesAug 2026

Top Picks for Free Sudoku App

Sudoku - Classic Sudoku Games#1

Sudoku - Classic Sudoku Games by 勇 殷

Sudoku (Soduku) Brain Puzzles
Editor's Choice
🎮 Games
4.8😊(20K ratings)
FreeAds
Sudoku - Classic Sudoku Games screenshot 1
Sudoku - Classic Sudoku Games screenshot 2
Sudoku - Classic Sudoku Games screenshot 3
Sudoku - Classic Sudoku Games screenshot 4

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.

What We Love

  • 👍 User-friendly interface
  • 🚀 Smooth gameplay
  • 💡 Variety of difficulty levels
  • 🔒 No intrusive ads

Room to Improve

  • 🐛 Disappearing numbers issue
  • 🐛 Glitch with bottom left number
  • 🔋 Bright screen, no dark mode
Sudoku.com - Number Games#2

Sudoku.com - Number Games by Easybrain Ltd

Logic puzzles and mind games
Strong Contender
🎮 Games
4.8😐(1.8M ratings)
FreeAdsIn-App Purchases
#6in 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 - Classic Brain Game#3

▻Sudoku - Classic Brain Game by PeopleFun CG, LLC

Logic puzzles & Mind games
Worth Considering
🎮 Games
4.8😊(659K ratings)
FreeAdsIn-App Purchases
▻Sudoku - Classic Brain Game screenshot 1
▻Sudoku - Classic Brain Game screenshot 2
▻Sudoku - Classic Brain Game screenshot 3
▻Sudoku - Classic Brain Game screenshot 4
▻Sudoku - Classic Brain Game screenshot 5
▻Sudoku - Classic Brain Game screenshot 6

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.

What We Love

  • 👍 Enjoyable game
  • 🚀 Challenging levels
  • 📊 Tracks progress and scores
  • 💡 Highlighting and note-taking features

Room to Improve

  • 🔍 Inconsistent scoring system
  • 🔧 Overlapping buttons/controls
  • 🔊 Annoying audio effects

More Free Sudoku App apps to explore

4
Sudoku - Brain Puzzle Games
Sudoku - Brain Puzzle Games
Sudoku - Brain Puzzle Games
Sudoku - Math Puzzles
Free

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.

5,000+ Classic Sudoku PuzzlesFour Difficulty LevelsDaily Challenges and Rewards
🎮 Games
(307K)
free with in-app purchases
5
Sudoku ▦
Sudoku ▦
Sudoku ▦
Sudoku (Soduku) Brain Puzzles
Free

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.

Thousands of free puzzlesClassic Sudoku designPencil mode for notes
🎮 Games
(104K)
free with in-app purchases
6
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
(1.9K)
ad-supported
7
Sudoku Color - Classic Puzzle!
Sudoku Color - Classic Puzzle!
Sudoku Color - Classic Puzzle!
Original Number Puzzles
Free

Experience the classic Sudoku puzzle with a vibrant, colorful twist. This app offers an engaging approach to mastering logic and strategy, with options for both beginners and seasoned players. Enjoy a gentler visual experience and customizable difficulty levels.

Colorful Sudoku gridsAdjustable difficulty levelsSmaller puzzle options for beginners
🎮 Games
(35K)
free with in-app purchases
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 ′
Sudoku ′
Sudoku ′
Sudoku free of distraction
Free

Engage with an unlimited supply of Sudoku puzzles, playable online or offline. This app offers six difficulty levels, daily challenges, and a clean, user-friendly interface designed for both novice and expert players. Enjoy a distraction-free experience with customizable settings and essential tools like undo/redo and note-taking.

Unlimited Sudoku gridsOffline play6 difficulty levels
🎮 Games
(38K)
free with in-app purchases
10
Sudoku: Variants & Classic
Sudoku: Variants & Classic
Sudoku: Variants & Classic
Killer, Sandwich, Thermo +40
Free

Engage your mind with a comprehensive number puzzle game offering classic Sudoku and over 35 unique variants. Enjoy themed weekly challenges, smart hints, and a clean design for a relaxing yet challenging brain-training experience.

Classic Sudoku35+ Sudoku variantsThemed Weekly Challenges
🎮 Games
(1.6K)
free with in-app purchases
11
Sudoku ∙ Classic Sudoku Games
Sudoku ∙ Classic Sudoku Games
Sudoku ∙ Classic Sudoku Games
Brain Training - Logic Sudoku
Free

Engage your mind with a classic Sudoku puzzle game offering thousands of challenges for all skill levels. Enjoy a user-friendly interface, daily brain training, and helpful hints to master even the most difficult grids. Play offline and track your progress with detailed statistics.

Thousands of puzzlesMultiple difficulty levelsDaily challenges
🎮 Games
(23K)
free with in-app purchases
12
Sudoku Puzzle World
Sudoku Puzzle World
Sudoku Puzzle World
Daily Sudoku Brain Games
Free

Experience a visually stunning and classic Sudoku game with endless free puzzles. Choose from four difficulty levels and enjoy a vast collection of beautiful background images. Compete with others through Game Center achievements and leaderboards.

Endless free Sudoku puzzlesFour difficulty levelsGame Center integration
🎮 Games
(20K)
free with in-app purchases
13
Sudoku - Puzzle Brain Game
Sudoku - Puzzle Brain Game
Sudoku - Puzzle Brain Game
Classic and Fun Sudoku Game
Free

Engage your mind with thousands of classic Sudoku puzzles. This game offers multiple difficulty levels, intuitive controls, and helpful features like unlimited undos and pencil mode to enhance your puzzle-solving experience and keep your brain sharp.

Thousands of classic Sudoku puzzlesFour difficulty levelsUnlimited undos and hints
🎮 Games
(1)
ad-supported
14
Sudoku by Staple Games
Sudoku by Staple Games
Sudoku by Staple Games
by Staple Games
Free

Engage your mind with classic Sudoku puzzles. This app offers a clean, modern interface designed to minimize distractions and enhance focus. Enjoy daily challenges and track your progress across multiple difficulty levels.

Daily ChallengeFour difficulty levelsNumber removal assistance
🎮 Games
(103K)
ad-supported
15
Sudoku :)
Sudoku :)
Sudoku :)
Soduku Logic Puzzle Card Game
Free

Engage your mind with this classic Japanese logic puzzle. Offers multiple difficulty levels, customizable backgrounds, and unique emoji number options. Track progress and compete with others.

Four difficulty settingsCustomizable background colorsEmoji number option
🎮 Games
(59K)
free with in-app purchases
16
Sudoku ++
Sudoku ++
Sudoku ++
Classic Sudoku app
Free

Engage your logic with a classic 9x9 puzzle experience. This app offers multiple difficulty levels, fast note-taking, and helpful hints. Track your progress with detailed statistics and customize your play with various themes. Enjoy a calm and satisfying number puzzle every time.

Classic 9x9 Sudoku puzzlesMultiple difficulty levelsFast note-taking and pencil marks
🎮 Games
(1)
freemium
17
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
18
Sudoku App - A beautifully designed numbers game
Sudoku App - A beautifully designed numbers game
Sudoku App - A beautifully designed numbers game
by Adhiraj Dutt
Free

This logic-based numbers puzzle game offers a clean, intuitive interface with customizable gameplay options. Enjoy a relaxed experience with features like error hiding, hints, and an optional timer. Upgrade for unlimited puzzles.

Clean and intuitive interfaceCustomizable gameplay optionsHint system
🎮 Games
(10)
free
19
Sudoku Master®: Number Puzzle
Sudoku Master®: Number Puzzle
Sudoku Master®: Number Puzzle
Classic logic games offline
Free

Engage your mind with a logic-driven number puzzle game offering thousands of handcrafted challenges. Improve thinking, memory, and concentration with various difficulty levels and grid formats, playable entirely offline.

Thousands of unique Sudoku puzzlesFull offline modeFive difficulty levels
🎮 Games
(17K)
free with in-app purchases
20
Free Sudoku
Free Sudoku
Free Sudoku
Ad-free sudoku game that helps
Free
🎮 Games
(0)

FAQ about Free Sudoku App

What is the best free sudoku app for iPhone?
Sudoku - Classic Sudoku Games tops our free sudoku app ranking as of August 2026, with a 4.8-star average from 20K App Store ratings, and it's free to download.
Sudoku - Classic Sudoku Games shows ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ free sudoku app on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app is a classic Sudoku puzzle game designed to be intuitive and enjoyable. It offers an endless supply of free Sudoku puzzles for users to play and train their brains.
Key features include an endless supply of free Sudoku puzzles, four difficulty levels (Simple, Medium, Hard, Master), hints, an auto-check function, and the ability to highlight duplicates. Users can also take notes within the puzzles.