Explore
$0
Try the full learning loop before choosing a plan.
- 3 learning maps, lifetime
- 1 audio guide, lifetime
- Saved progress and scheduled reviews
Turn a topic you choose into a clear learning map. Work through short lessons, quizzes, and scheduled review on your phone.
Includes 3 learning maps and 1 audio guide free.
System design foundations




Generated lessons are checked by a second model, with sources you can inspect.

See what to learn first, how ideas connect, and where you can jump ahead.

Work through short, visual lessons on your phone, then check your understanding with a quiz.

Quiz questions return as scheduled reviews, keeping the material in your learning routine.
Start with 3 learning maps and 1 audio guide free. Upgrade when you want to create more.
$0
Try the full learning loop before choosing a plan.
$10/ month
A steady pace for one or two new subjects each week.
$20/ month
More room for deep dives and audio-first learning.