Best Free Sudoku App

240+ iOS apps & games curated and reviewed

4.7 avg rating
20 free apps & games
Updated June 2026

If you already know Sudoku, this is the deeper bench. 240+ free sudoku app apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for Free Sudoku App

Sudoku - No ads#1

Sudoku - No ads by Beijing Free Calculator Technology Co., Ltd.

sudoku solver & sudoku classic
Editor's Choice
📚 Education
4.2😐(3.5K ratings)
FreeIn-App Purchases
Sudoku - No ads screenshot 1
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Sudoku - No ads screenshot 4
Sudoku - No ads screenshot 5
Sudoku - No ads screenshot 6

Engage in a classic Sudoku experience with multiple difficulty levels suitable for all ages. Enjoy a clean interface, track your game history, and access unlimited solutions with a yearly subscription.

What We Love

  • 🚀 No ads
  • 👍 Simple and straightforward
  • 👍 Variety of difficulty levels
  • 👍 Separate notes and final number inputs

Room to Improve

  • 🐛 Repeated puzzle layouts
  • 🐛 Bugs and errors in puzzle generation
  • 🔒 Requires payment to access basic features (sound, difficulty settings)
Sudoku.com - Number Games#2

Sudoku.com - Number Games by Easybrain Ltd

Classic sudoku brain puzzle
Strong Contender
🎮 Games
4.8😐(1.8M ratings)
FreeAdsIn-App Purchases
#5in Games
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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 Sudoku Games#3

Sudoku - Classic Sudoku Games by 勇 殷

Sudoku (Soduku) Brain Puzzles
Worth Considering
🎮 Games
4.8😊(19K ratings)
FreeAds
Sudoku - Classic Sudoku Games screenshot 1
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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

More Free Sudoku App apps to explore

4
▻Sudoku
▻Sudoku
▻Sudoku
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
(653K)
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: 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
7
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
(17K)
free with in-app purchases
8
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
9
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
10
Sudoku Puzzle World
Sudoku Puzzle World
Sudoku Puzzle World
Beautiful Sudoku Puzzles!
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
11
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
(37K)
free with in-app purchases
12
Sudoku - Classic Math Games
Sudoku - Classic Math Games
Sudoku - Classic Math Games
Sudoku Puzzle and Brain Games
Free

This classic sudoku puzzle game offers a clean, eye-friendly interface with large numbers and adjustable difficulty levels for all ages. Enhance your brain training and problem-solving skills with helpful features like auto-complete, hints, and note-taking.

Large, eye-friendly numbersMultiple difficulty levelsAuto-complete and hints
🎮 Games
(3.8K)
free with in-app purchases
13
Sudoku - Brain Puzzle Games
Sudoku - Brain Puzzle Games
Sudoku - Brain Puzzle Games
Jeux de Sudoku quotidiens
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
(301K)
free with in-app purchases
14
⋆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
15
Sudoku Blast!
Sudoku Blast!
Sudoku Blast!
5-min sudoku, number fun
Free

This app offers a clean and focused sudoku experience with thousands of handcrafted puzzles for all skill levels. Enjoy a calm environment for brain training, with options for offline play and ad-free solving. Learn strategies with smart hints and daily challenges.

Thousands of handcrafted sudoku puzzlesMinimalist and clean designOptional ad-free mode
🎮 Games
(72K)
free with in-app purchases
16
Sudoku without ads
Sudoku without ads
Sudoku without ads
Pure Sudoku. No ads. Offline
Free
🎮 Games
(22)
17
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
(58K)
free with in-app purchases
18
Sudoku
Sudoku
Sudoku
Award winning Sudoku puzzles!
Free

Engage in a classic logic puzzle game designed for iPhone and iPad. The app offers a beautiful and user-friendly interface to solve Sudoku puzzles, challenging your mind with number placement.

Classic Sudoku puzzlesDesigned for iPhone and iPadSimple and beautiful interface
🎮 Games
(2.5K)
free with in-app purchases
19
Sudoku No Pop-up Ads
Sudoku No Pop-up Ads
Sudoku No Pop-up Ads
Number Games & Puzzles
Free

Enjoy a classic logic-based number puzzle with no disruptive pop-up ads. Choose from six difficulty levels, get smart hints, and track your progress. This game offers a relaxing yet challenging experience for all skill levels.

No intrusive pop-up adsSix difficulty levelsSmart hints system
🎮 Games
(8.3K)
free with in-app purchases
20
Sudoku Puzzle Packs
Sudoku Puzzle Packs
Sudoku Puzzle Packs
Brain Fit Challenges
Free

Master Sudoku with a variety of puzzle sizes and difficulty levels. Personalize your experience with colorful themes and sound effects. Track your fastest times and compete with friends.

Multiple puzzle sizes (4x4, 6x6, 9x9)10 colorful themesPencil Marks for number possibilities
🎮 Games
(394)
ad-supported