Five AI tools for learning on your own or keeping up with coursework: Tutor AI builds a custom course on any topic, StudyX turns homework, PDFs and lectures into solutions, notes and quizzes, Langotalk is a speaking-focused language tutor, and AHelp and Paperpal help you write, check and cite your work. Always check your school's or publisher's rules on AI use before submitting anything.
Personal AI tutor that generates a custom course with lessons, quizzes, and flashcards on any topic you want to learn
✓ Generates a full custom course with lessons, quizzes, and flashcards on almost any topic in seconds
✗ The free plan is limited and offers only limited support
💰 Freemium👤 Students, professionals, and self-learners who want a custom course and an AI tutor to explain concepts and quiz them, on subjects from school math to languages and work skills
All-in-one AI study tool for homework help, notes, flashcards, quizzes, and exam prep
✓ Turns your own homework, PDFs, slides, videos, and live lectures into solutions, notes, flashcards, and quizzes without switching tools
✗ Credit-based plans mean heavy users on Plus (3,000 credits a month) can run out, and the higher AI detection and humanizer limits sit on the Pro and Max plans
💰 Freemium👤 High school and college students who want homework help, notes, flashcards, and practice quizzes from their own course material in one place

Personal AI language tutor that holds real conversations, corrects your mistakes, and plans each lesson around your gaps in 20+ languages
✓ Conversation-based practice with corrections in the moment and an explanation of what went wrong
✗ Free use is limited to a 7-day trial, and the monthly plan at $29.99 is expensive compared with many language apps
💰 Free trial👤 Language learners who want to practice speaking with instant, personalized feedback and a tutor that remembers their weak spots, including people who feel anxious speaking with a human
Hub of 30+ AI writing, editing, and detection tools for study, homework, and research
✓ Over 30 writing, editing, and checking tools in one account, so you do not need separate subscriptions
✗ The free plan allows only 3 credits a day and shows ads, so real use needs a paid plan
💰 Freemium👤 Students and researchers who want one place for paraphrasing, grammar checking, plagiarism and AI-content checks, and help with outlines and sources

AI academic writing assistant for grammar, plagiarism, AI detection, and citations
✓ Suggestions and citations grounded in 250M+ verified research papers, not generic rewriting
✗ Free plan caps grammar edits at 200/month and only gives lite plagiarism/journal-fit reports
💰 Freemium👤 Researchers, graduate students, and academics preparing journal submissions or theses who need grammar, plagiarism, AI-detection, and citation checks grounded in real research literature, without switching between separate tools
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