Understand More. Forget Less.

  • ★★★★★

    "It's dope af 🤘🤘🤘"

    MS2 Student
  • ★★★★★

    "Great customer service! The board-style question generation is incredibly helpful for my STEP prep."

    MS1 Student
  • ★★★★★

    "I really like this platform and I think it's extraordinary! The AI chat feature has been a game-changer for understanding complex concepts."

    MS2 Student
  • ★★★★★

    "I most appreciated Complement after learning new concepts because I can use board style questions to see integration and the AI to explain cards in depth - it's understanding rather than memorizing."

    MS1 Student
  • UCLA
  • NYU
  • UPenn
  • Yale
  • ★★★★★

    "The significantly better UI/UX compared to Anki helped me stay motivated. Card augmentation keeps things fresh and prevents pattern memorization."

    MS1 Student
  • ★★★★★

    "Built-in AI chat is like having a tutor available 24/7. It helped me understand pathology concepts I struggled with for months."

    MS2 Student
  • ★★★★★

    "Within platform card edits save so much time. The advanced analytics dashboard shows exactly where I need to focus my efforts."

    MS2 Student
  • ★★★★★

    "Board-style question generation is spot-on! 87.5% of users agree it's the most useful feature - and I can see why."

    MS1 Student
50+
Active Students
3M+
Cards Reviewed
Perfect Rating

Thousands of hours. Countless late nights. We know the grind.

Tabs for every question we didn't understand. Cards that took more time to make than to study. The scramble to sync content, the frustration of forgetting why an answer was wrong.

Complement is the answer to all of that. Built for the way we actually learn medicine.

– Gokul, Kushagra & Kamren

The Founders

AI-Powered

Cutting-edge AI tools eager to accelerate your learning

Leverage the power of AI to generate questions, get explanations, and chat with a tutor, all integrated seamlessly with your flashcards.

Instant Context

Instant Context for Every Concept

Highlight any term, concept, or phrase in your cards and instantly get high-quality, contextually relevant explanations that accelerate your understanding and retention.

Board Prep

Your Cards, Transformed into Clinical Vignettes

We automatically convert your existing flashcards into board-style questions, creating a more engaging study experience that tests deeper understanding and clinical reasoning.

Simple, transparent pricing

Smarter studying, simple pricing

Switch between monthly and annual anytime.

Free
Free
  • AI-powered flashcards
  • Basic analytics & sync
  • Community access
  • 50 AI uses per month
  • 3 document imports per week
Save 20%
Plus
/month
$144 billed annually
  • Unlimited AI assistance
  • Unlimited document imports
  • Unlimited board questions
  • Advanced analytics & reports
  • Priority support