236+ iOS apps & games curated and reviewed
The best challenging brain game apps on iPhone average 4.6★ across 236+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Enjoy deceptively challenging physics puzzles with dozens of brain-busting levels. Compete with friends, share solutions, and find the best way to solve each puzzle. Support indie developers and provide feedback for continuous improvement.
Challenge your mind with a variety of tricky puzzles in this app featuring high-quality graphics and challenging gameplay. Test your skills with different levels of puzzles! Can you conquer them all?
Improve your mental fitness with a variety of brain training games designed to enhance vocabulary, memory, and more. Elevate your cognitive skills today!
Test your mind and skills with a challenging and competitive free game that pushes your cognitive abilities. Compete globally, achieve top scores, unlock trophies, and enjoy diverse gameplays including puzzles, quizzes, and word games. Experience endless fun with daily challenges, unexpected jokers, and exciting VS. mode. Download now and have fun sharpening your mental agility!
Embark on an exhilarating journey through a collection of viral, tricky challenges that test your reflexes and creativity. Master various mini-games, solve obstacles, and aim to become the champion of challenging games. Play now and conquer the ultimate test of skill and precision!
Engage your mind with brain teasers, puzzles, and quizzes in this addictive and challenging brain game. Test your logic, boost your brainpower, and become the ultimate riddle master! Can you beat the Braindom challenge?
Challenge your brain with a funny and tricky puzzle game where you erase, delete, and draw to help the girl solve problems. Strengthen your reasoning skills and test your mind with unexpected answers. Contact us for any questions or feedback!
Exercise your brain with a fun and addictive spot the differences game! Find 5 differences between two pictures in over 2000 levels, with beautiful images and no time limit. Download now for free and enhance your observation skills!
Get ready to challenge your mind with a brain-training crossword game that combines fun and relaxation. Download now and start solving picture clues, competing in daily and weekly tournaments, and collecting badges to showcase your achievements.
Enhance your attention and problem-solving skills with this wooden block puzzle game. Enjoy unlimited gameplay, strategic thinking, and daily reminders to sharpen your mind. Beat your scores and challenge yourself to fill the grid with blocks in this addictive brain game.
A captivating block puzzle game set in Ancient Greece with sparkling jewel blocks. Drop blocks to create and destroy lines for high scores. Join the ancient theme and challenge your brain with daily puzzles!
Challenge your mind with an addictive free tricky puzzle game full of brain teasers and riddles designed to test your IQ. Play offline, enhance problem-solving skills, and enjoy unexpected answers in this fun and humorous game experience.
Embark on a brain-teasing adventure in a creative and unconventional puzzle game where you must save a dog-headed character by solving unique challenges. Enjoy fresh graphics, unconventional puzzles, and hours of fun in this engaging, family-friendly game. Download now and experience a different kind of puzzle game!
Enjoy a challenging block-based Sudoku puzzle game that tests your IQ. Train your brain with this engaging app and enhance your problem-solving skills. Download now and start playing!
A challenging slide puzzle game where you must maneuver blocks to clear a path for a wooden block to exit. Test your strategic skills in this brain-teasing game!
Get ready to test your brain with a unique puzzle game featuring over 200 levels of simple gameplay, where you tap and drag to solve visual puzzles and mind challenges. Download now and play with friends and family for a fun and engaging experience!
A fun and engaging word puzzle game with various levels and challenges to test your vocabulary and problem-solving skills. Unscramble letters to find hidden words and advance through levels of increasing difficulty. Ready to crush some words?