173+ iOS apps & games curated and reviewed
The best operating systems quiz apps on iPhone average 4.6★ across 173+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
Engage in a fun quiz app that tests your knowledge across a wide range of categories including logos, music, movies, animals, and general knowledge. Learn new facts and challenge yourself with thousands of interesting pictures and questions.
Prepare for your CompTIA A+ certification with realistic practice exams and AI-powered study tools. Master IT fundamentals, including hardware, networking, operating systems, and security, with detailed explanations and progress tracking.
Prepare for IT and cybersecurity certification exams with thousands of practice questions and mock tests. Reinforce key concepts and build confidence for your exam day with expert-crafted content and detailed explanations.
Master operating system concepts through concise study sessions and interactive quizzes. This app offers audio pronunciation of technical terms and bookmarking for flashcards and questions, aiding efficient learning and progress tracking.
Prepare for CompTIA certifications with over 1000 realistic practice questions and exam simulators. Features adaptive learning, detailed explanations, and progress tracking to help you pass on your first attempt. Study offline and get ready for your IT career.
Practice over 2000 computer networking MCQs with this comprehensive quiz app. Covers basic to advanced topics, including cryptography, data transmission, and network security. Ideal for students, beginners, and homeschooling.
Engage in a fun, multiplayer general knowledge trivia game. Challenge friends or random opponents worldwide across diverse categories, including photo quizzes. Improve your knowledge and memory while competing.
Engage in a fun, interactive trivia game in Hindi and English designed to test your knowledge and enhance thinking skills. Explore thousands of general knowledge questions across various topics, perfect for learning and boosting confidence for competitive exams.
Prepare for your CompTIA A+ Core 1 and Core 2 certification exams with extensive practice tests and quizzes. This app offers over 5,000 expert-written questions with detailed explanations, a personalized study plan, and a readiness score to help you pass on your first attempt.
Test your computer science knowledge with engaging quizzes covering a wide range of topics from AI to cybersecurity. Challenge others globally or test yourself individually. Perfect for students and professionals looking to enhance their skills.
Expand your medical imaging knowledge with this educational app. It features 20-question quizzes covering X-Ray, CT, and MRI, helping you identify strengths and weaknesses. Utilize the references tab to review missed cases across various specialties.
Prepare for your CompTIA Security+ certification with extensive practice questions and full-length mock exams. This app offers expert-crafted content, detailed explanations, and performance analytics to help you master key concepts and pass your exam confidently.
Effortlessly create engaging quizzes, tests, and trivia using AI. Input a topic or questions, and the app generates tailored content with various question types. Customize difficulty, add multimedia, and export as a PDF for easy sharing. Perfect for educators, students, and quiz enthusiasts.
Prepare for CompTIA certification exams with a personalized study plan. Practice with thousands of questions, track your progress, and compare your scores to the community average to boost your confidence and pass on your first attempt.
This medical quiz tool helps radiology residents, physicians, and students create personalized study sessions. It offers a vast library of questions, clinical cases, and images that can be customized by category and difficulty. Sessions can be taken offline and synchronized across devices via a website account.
Prepare for your CompTIA Network+ certification exam with realistic practice tests and AI-powered study tools. Master networking fundamentals, troubleshooting, and security through categorized quizzes and detailed explanations. Track your progress and identify weak areas to study smarter and pass with confidence.
Test your knowledge across technology, science, and gaming with this trivia app. Play solo or challenge up to three friends on a single device. Compete globally on leaderboards and use your iOS device as a remote for the Apple TV version.
Test your knowledge and reaction skills in this addictive multiplayer quiz game for 2-5 players. Race against friends and family to answer questions correctly and quickly to earn the most points and win.
Test your knowledge of spiritual verses with this educational app. Engage in various quiz formats to improve memorization and understanding of Shlokas. Practice regularly to master the content.