Braineos
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AI that helps you learn.

Paste your notes and AI drafts the cards. Then you do the remembering: quick quizzes, spaced reviews, and a hint from AI when you're stuck.

Also in Claude: find Braineos in the connector directory

TermMitochondria

How it works

1Paste your notesLecture notes, an article, anything — just paste it in.
2AI writes the cardsAI turns it into term/definition flashcards in seconds.
3You do the rememberingQuick quizzes and spaced reviews make it stick. When you're stuck, AI gives you a hint first.

AI that helps you learn

Explain thisStuck on a sentence in a lesson? Get a hint first, and the full explanation if you want it. Premium.
Study with ClaudeFind Braineos in Claude's connector directory, and your assistant quizzes you on what's due.
See what's stickingYour accuracy over time, the cards you miss most, and one tap to drill them.

Everything you need to actually remember it

StreaksBuild a streak and watch it grow.
Discover by tagBrowse decks by topic, remix anyone's deck as your own.

Simple pricing

Free
$0
  • ✓ Unlimited decks & cards
  • ✓ Spaced repetition study
  • ✓ Streaks & badges
  • ✓ Your accuracy, and the cards you miss most
  • ✓ Study with Claude: it quizzes you on what's due
  • ✓ Play your decks as a game
  • ✓ Discover decks by tag
  • ✗ AI help inside Braineos is Premium
Sign up free
Premium
$9.99/month
  • ✓ Unlimited decks & cards
  • ✓ Spaced repetition study
  • ✓ Streaks & badges
  • ✓ Your accuracy, and the cards you miss most
  • ✓ Study with Claude: it quizzes you on what's due
  • ✓ Play your decks as a game
  • ✓ Discover decks by tag
  • ✓ AI drafts cards from your notes
  • ✓ AI hints when you miss a card, so you think first
  • ✓ More cards for any deck (AI)
  • ✓ Fact-check a deck (AI)
  • ✓ Suggested tags & descriptions (AI)
  • ✓ Private decks
Sign up free

Ready to study smarter?

Join Braineos and turn whatever you're learning into flashcards that actually stick.

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