9th Grade Math Challenge vs Study Time

Challenge your mind with 9th grade level Math and see where you stand. There are 100 questions/levels sprinkled with some interesting Math puzzles in between. Create and share a certificate of your final score. Challenge your friends and family to see who can score the most. Watch step-by-step solution for better understanding of answers.

Study Time — Study to Unlock Your Apps Turn your own course materials into AI quizzes and flashcards. Finish a session, earn real screen time, and spend it with a live countdown — enforced by device-level blocking with no workarounds. HOW IT WORKS Pick the apps you want to block (Instagram, TikTok, Snapchat, games) Upload PDFs, notes, images, audio, or YouTube links Complete AI-generated quizzes and flashcards from your actual content Earn and spend screen time — enforced at the device level FEATURES AI quizzes & flashcards generated from your own materials Upload PDFs, docs, images, audio recordings, or YouTube videos Device-level app blocking with no workarounds Earn screen time and track it with a countdown timer AI chat assistant for follow-up questions and deeper explanations Share content directly from other apps to add study materials instantly Emergency unlock available when you truly need it Multi-language: English, Spanish, French, German, Italian, Portuguese Analytics dashboard with streaks, weekly metrics, and progress tracking IN-APP PURCHASES & SUBSCRIPTIONS Access to AI flashcard and quiz generation, AI tutor chat credits, and certain premium study features requires an in-app purchase or paid subscription. Features available may depend on your selected plan and remaining study credits. FOR STUDENTS WHO WANT CONTROL BACK Stop fighting willpower. Study Time makes studying the only path to scrolling — building real habits while you actually learn. Privacy Policy: https://www.resolviai.com/privacy-policy Terms of Use: https://www.resolviai.com/terms-of-use