Welcome toAP 4U

    Everything you need to get a 5 on your next AP exam

    What AP4U includes

    AP Notes

    Comprehensive study notes for 21 AP subjects, organized by units

    View Notes

    Unlimited Practice

    Generate unlimited AI-powered practice quizzes tailored to any unit and difficulty

    Start Practicing

    FRQ Grader

    Get strict AP-style feedback on your free response questions with our AI grader

    Grade FRQ

    AP4U by the numbers

    21
    AP Subjects
    100+
    Study Units
    1000+
    Practice Questions
    24/7
    Study Access