Sign Up Free — AI Flashcards & Spaced Repetition in 2 Minutes

Create your free Nebulearn account and start studying smarter today. No credit card required, no plugins to install, no learning curve. The free plan includes full access to the Chrome Extension, FSRS spaced repetition, and 20 weekly AI generations from any content — enough to cover most students' weekly study needs.

What the Free Plan Includes

• Up to 300 saved questions across all folders
• 20 weekly AI generations from text, PDF, image, or audio
• Full Chrome Extension access — create flashcards in 4 seconds from any webpage
• FSRS, SM-2, and Leitner spaced repetition algorithms
• Unlimited folder sharing and public collaboration
• Gamified ELO rating, daily study streaks, and achievement system
• Per-card mastery tracking, consistency score, and retention analytics
• Manual flashcard creation with LaTeX math rendering for STEM
• Export to PDF, CSV, Anki, Quizlet, and Google Forms
• Standard AI model for question generation

How Signing Up Works

1. Enter your email and create a password — or sign in instantly with Google
2. Verify your email to unlock AI generation (takes under 30 seconds)
3. Upload any notes, paste text, or use the Chrome Extension to grab content
4. Generate your first flashcard set — AI produces it in seconds
5. Start a study session — FSRS begins scheduling your reviews immediately

Who Uses Nebulearn

Students at MIT, Stanford, Harvard, Johns Hopkins, Oxford, UC Berkeley, University of Waterloo, and 10+ other top universities use Nebulearn for medical school, computer science interview prep, STEM coursework, language learning, law review, and more. Over 100,000 questions have been created on the platform.

Need More AI Generations?

The free plan gives 20 AI generations per week. For students with heavier course loads, Premium unlocks 50/week and Platinum unlocks 150/week, along with stronger AI models, larger question libraries, and more Chrome Extension AI profiles. Both plans support annual billing with up to 33% savings.

Already have an account? Log in here. Read the step-by-step getting started guide. Questions? Contact our team. Review the Terms of Service before signing up.