Hero image


in a whole
new way.

The world’s most important
knowledge, visualized.


Continue icon
Hero image mobile
Lucid - Deep Understanding

Deep understanding.

Lucid helps you understand complex topics quickly, with elegant visuals that clarify key ideas and help you stay focused.

Download Lucid on the App Store
Lucid - Deep Understanding
Stop Forgetting
Stop forgetting

Stop forgetting what you read.

Our visual approach is designed to help you commit key concepts to memory. Plus, we make it easy to save and review the ideas that matter most to you.

Insights from the world’s greatest thinkers.

Key insights into essential topics, from the world’s most-respected experts, courses, and books.

Books: Deep Work, Grit, The Black Swan, Thinking Fast & Slow, The Selfish Gene, Start With Why etc.