Cognito System · AI Flashcards
Turns any content into a Skill Tree of AI cards, quizzes, and spaced repetition.
About
Cognito turns any content into a structured learning program. Paste a YouTube lecture, upload a PDF, snap your notes — AI builds a Skill Tree with cards, quizzes, and spaced repetition that ensures you remember everything. TURN ANYTHING INTO KNOWLEDGE • YouTube videos, PDFs, audio recordings, images, websites, and arXiv papers • AI extracts key concepts and generates learning cards automatically • Review and edit everything before you start studying SKILL TREES • AI organizes your material into a structured learning path • Prerequisites, milestones, and boss challenges • See exactly what you know and what comes next SPACED REPETITION THAT WORKS • FSRS algorithm schedules reviews at the perfect moment • Proven to achieve 95%+ long-term retention • Classic and compact study modes QUIZ & TYPE ANSWER • Multiple choice, true/false, and type answer modes • Active recall beats passive reading RICH CONTENT • LaTeX math formulas, code with syntax highlighting • Mermaid diagrams, tables, and formatted text • Text-to-speech in any language TRACK YOUR PROGRESS • Heatmaps, retention trends, and weak topic analysis • 76 achievements to unlock • Daily streaks and study goals ORGANIZE YOUR WAY • Folders, tags, and smart filters • Import from Anki (.apkg), CSV, and TSV • Export your data anytime EXAM PREP • AI generates cards in your exam's format — GCSE, AP, ЕГЭ, Bac, Abitur, ENEM, and 15+ more • Mark allocations, command words, and model answers included • Skill Trees follow your exam specification structure • Keep Studying mode for unlimited revision sessions FREE TO START • Unlimited manual card creation • FSRS spaced repetition that remembers for you • 3 AI card generations per day • 1 free Skill Tree every week — try the wow moment at no cost • Folders, tags, streaks, 76 achievements • iOS widgets, Dynamic Island progress, and community sharing PREMIUM — FULL POWER • Unlimited AI card & Skill Tree generation • Skill Trees from YouTube, URL, PDF, or topic — four sourc
How to Use
- Add content to Cognito by pasting a YouTube lecture, uploading a PDF, or snapping your notes. 2. Let the AI build a Skill Tree with cards and quizzes from the material. 3. Study the cards and take the quizzes to learn the structure. 4. Use the spaced repetition schedule to review over time so you retain what you learned. Cognito turns mixed content into one structured learning program.
✓ Pros
- •Builds structured Skill Trees from any source
- •Supports YouTube, PDFs, audio, and arXiv papers
- •Spaced repetition aids long-term retention
✗ Cons
- •Structured approach has a learning curve
- •AI-extracted concepts need review
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