Cognotes - AI Notes App & PDF

Your AI-native workspace: deep-read PDFs & videos, AI flashcards for lasting memory, connect ideas, and one-click PPT generation.

Cognotes is an AI-native knowledge workspace that seamlessly integrates deep reading, structured annotation, bidirectional linking, spaced repetition, and AI presentation generation into a single, unified workflow. Whether you're studying for exams, researching academic papers, or creating content, Cognotes helps you move from raw information to clear, structured understanding — your ultimate AI Note and Flashcard companion with a built-in PDF Reader. 【 Unified Multi-Format Workspace 】 • PDF Deep Reading: Built-in OCR, freehand drawing, text highlights, and rectangle capture annotations. Also acts as a PDF Converter to extract and reuse content in other formats. • Video Notes: Import videos, parse SRT subtitles, capture specific frames, and bind annotations to the timeline. Supports audio to text and voice to text conversion for lecture or interview recordings. • Markdown Editing: Rich text editing with multi-dimensional properties, tags, and audio recordings. A powerful markdown editor that doubles as a notetaker — just note it down and organize everything. 【 Connect & Visualize Knowledge 】 • Annotation Panel: Aggregate, filter, and manage all your highlights and notes across different documents and doc files. • Infinite Canvas: Drag and drop annotation cards into a mind map to establish bidirectional links between ideas. This canvas gives you a visual planner to map out complex topics. • Side Canvas: Visualize and organize your knowledge on a split-screen while reading PDFs or watching videos — a perfect layout for transcriber and transcription workflows. 【 FSRS Flashcards & Spaced Repetition 】 • Built-in advanced FSRS algorithm automatically turns your annotations into review flashcards. A true Flashcard system that helps you stop hoarding notes and start remembering key concepts. 【 Powerful AI Assistant 】 • Select text or capture screenshots and send them directly to the built-in ai for deep analysis. • Supports Web Search and Global Mode (search across your entire workspace). • AI Presentation Maker: Input a topic or outline, and AI will automatically generate a structured PPT with images. • Audio Transcription: Convert interviews or lectures into text and integrate them seamlessly into your annotation workflow — also functions as an audio to text and voice to text hub. 【 Built for Deep Thinkers 】 • Students & Lifelong Learners: Build a paperless study and review system with a built-in planner to track your learning progress. • Researchers & Analysts: Process massive amounts of literature and dense information efficiently using PDF Converter and doc management. • Writers & Knowledge Workers: Go from capturing inspiration to structured output, using notetaker tools and note it quick capture. Auto-renewable subscription Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://api.cortex-app.top/privacy