Best Sudoku 21A Apps &amp; Games

1.0(2 ratings)

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Challenge your brain with a free Sudoku app offering multiple difficulty levels and two engaging game modes. Compete against yourself or friends online with an endless supply of puzzles and helpful aids.

Sudoku ▦ by Tripledot Studios

Sudoku (Soduku) Brain Puzzles

Strong Contender

4.7😐(104K ratings)

FreeAds

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
🔋 High battery drain

Sudoku Puzzle - Brain Games by Guru Smart Holding Limited

Classic Sudoku & Math Games

Worth Considering

Sudoku - Brain Puzzle Games

4.9😊(89K ratings)

FreeAdsIn-App Purchases

#89in 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

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.

What We Love

🚀 Great classic sudoku
👍 Excellent wifi-free sudoku puzzling
👍 Fun and entertaining
👍 Awesome brain work out!
👍 Excellent sudoku experience
👍 Really relaxing
👍 Very interesting game
👍 Brain motivating Game
👍 Love sudoku
👍 Very good
👍 Perfect
👍 Very good and I love playing this game

Room to Improve

🔍 Good game lots of ads
🔍 Some level inconsistencies!
🔍 Overrides background sounds
🔍 Ads way frustrating
🔍 What! No Landscape mode!
🔍 Ads are worse than ever
🔍 Too many ads
🔍 Ads overrides background sounds
🔍 Ads are more frustrating
🔍 Ads way too frequent
🔍 Ads ruin the experience
🔍 Intrusive and obnoxious ads
🔍 Ads are the worst
🔍 Ads are extremely annoying

More Sudoku 21A apps to explore

Sudoku - Math Puzzles

5,000+ Classic Sudoku PuzzlesFour Difficulty LevelsDaily Challenges and Rewards

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.

(309K)

Sudoku (Full Version)

by genina.com

4 difficulty levels3 input modesPencil marks with auto fill/erase

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.

(8.4K)

Sudoku・

by Optime Software LLC

Dual keypad entrySmart notes (auto-notes & manual deletion)Optional error checking

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.

(11K)

by Mighty Mighty Good Games

Sudoku SE

Handcrafted puzzlesFour skill levelsShow incorrect answers

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.

sudoku solver & sudoku classic

Multiple difficulty levelsBeautiful and concise interfaceGame history tracking

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.

Sudoku free of distraction

Unlimited Sudoku gridsOffline play6 difficulty levels

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.

(38K)

Daily Sudoku Puzzles Game

Sudoku - Daily Puzzles

Thousands of unique Sudoku puzzlesMultiple difficulty levels (Easy to Expert)Daily puzzles for brain training

Engage your mind with a challenging Sudoku game offering thousands of unique puzzles across multiple difficulty levels. Track your progress, use helpful tools, and connect with a community of fellow puzzle enthusiasts.

(6.6K)

Big Bad Sudoku Book

by Bad Weasel, LLC

Smart hints that guide without giving answersDownloadable themes and puzzle book campaignsArcade-style puzzle scoring based on difficulty

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.

Sudoku· Classic Puzzle Games

(1.5K)

paid

Logic Puzzle Math Number Games

Unlimited Sudoku puzzlesDaily Sudoku challengesHints and step-by-step help

This app offers a comprehensive Sudoku experience with thousands of puzzles across multiple difficulty levels. It includes features like hints, step-by-step help, customizable gameplay, and offline play. Track your progress, unlock achievements, and explore classic and modern Sudoku variations.

(64K)

Sudoku: Train Brain Puzzles

Play Sudoku, enjoy the logic!

Over 20,000 unique Sudoku puzzlesDaily challenges with exclusive rewards8 difficulty levels (6x6 to 16x16)

Engage in a classic Sudoku puzzle game designed to relieve stress and sharpen cognitive skills. Offers a vast library of puzzles with adjustable difficulty levels and helpful tools for both beginners and experts. Enjoy daily challenges and collect virtual rewards.

Enjoy classic and unique Sudoku puzzles with adjustable difficulty. Engage in daily challenges, track your progress, and customize your gameplay with various themes and settings. An optional premium subscription removes ads and unlocks past challenges.

Classic and Irregular Sudoku modes6 difficulty levelsDaily Challenges with badges

(7.4K)

Sudoku by Staple Games

by Staple Games

Daily ChallengeFour difficulty levelsNumber removal assistance

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.

High Quality Sudoku Cards

Daily ChallengeMultiple difficulty levelsNote taking

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

Sudoku Logic Puzzle Card Game

Four difficulty settingsCustomizable background colorsEmoji number option

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.

(59K)

Sudoku: Number Puzzle Game!

Train your brain, Math puzzle

15,000+ Sudoku puzzles6 difficulty levelsJigsaw events

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.

(23K)

Sudoku - Number Brain Games

Classic Sudoku Math Puzzle

Thousands of daily Sudoku puzzlesFour difficulty levelsNotes (Pencil) mode

Engage your logic skills with this classic number-placement puzzle. Solve thousands of daily challenges across four difficulty levels, with helpful hints and error correction tools. Enjoy a smooth, paper-like interface that automatically saves your progress.

(14K)

Sudoku - Classic Math Games

Sudoku Puzzle and Brain Games

Large, eye-friendly numbersMultiple difficulty levelsAuto-complete and hints

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.

(5.1K)