223+ iOS apps & games curated and reviewed
With an average user rating of 4.7★, the quiz 9x9 category is one of the App Store's strongest. Browse all 223+ apps and games we track, sorted so the most loved ones surface first.
Experience the ultimate Sudoku game with various difficulty levels and advanced features to challenge your mind. Play anytime, anywhere and track your progress to become a Sudoku Master! Test your skills and relax with this classic puzzle game.
Challenge your knowledge with a trivia game featuring questions from various categories. Select your favorite topic, answer questions quickly, and earn points. Stay engaged with game statistics to track and improve your performance. Ready to test your knowledge?
Unleash your inner Sudoku master with a unique puzzle experience featuring customizable themes, fonts, and modes for all skill levels. Dive into a world of brain-twisting fun and unlock hidden surprises—let's begin the ultimate Sudoku adventure!
Challenge your brain with a popular sudoku app, offering classic puzzles for all levels of players. Features include hints, auto-check, notes, and various customization options. Install now for a stimulating way to unwind and keep your mind sharp!
Test your knowledge of state capitals with this quiz app, perfect for studying or brushing up on your geography skills. Never forget a capital city again!
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.
Guess countries daily with Earthle, a geographical puzzle game that gives you hints about the location of a country, challenges you to find it, and learn fun facts along the way. Compare scores with friends, explore maps, and test your knowledge of world geography. Subscription available for more features.
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!
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!
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!
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?
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.
A popular app that offers challenging Sudoku puzzles with various difficulty levels. Test your logic and problem-solving skills for hours of entertainment. Download now to start playing!
Pass the time and challenge your mind with this classic Sudoku game featuring daily challenges, four levels of difficulty, note-taking abilities, hints, and more. Download now for mind-challenging fun!
Explore the world with fun games and challenges to learn about countries, capitals, flags, and maps. Test your knowledge, earn achievements, and expand your geography skills! Get started now!
A challenging and addictive block puzzle game where players place blocks in a 9x9 grid to clear lines and boxes for points. Keep playing to beat your high score and earn combos and streaks. Exercise your brain with this official version every day!
Play Tetrudoku- Block Puzzle for hours of fun and brain relaxation at home! Fit blocks into a 9x9 board to complete lines and squares, challenging yourself with no time limits. Download now for free!
Experience a beginner-friendly Sudoku puzzle game that uses color to aid in solving, starting with easier puzzles and gradually increasing difficulty levels. Train your brain with colorful grids, smaller puzzles, and switch to hard mode as you master the game. Enjoy a refreshing take on Sudoku while still having access to traditional black and white grids for veterans. Start solving puzzles today and let color guide your way!
Experience the timeless art of Sudoku with a colorful twist in this vibrant puzzle game. Delve into a world of logic and strategy, whether you're a seasoned player or just starting out. Customize your gameplay for a classic black and white mode or enjoy the burst of color – start your Sudoku adventure now!
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!