AI Note, Flashcard, PDF Reader
Note taking app & PPT & Canvas
Free · In-App Purchases
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
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
1. Fixed onboarding guidance
2. Usage bill export
3. Title bar UI improvements
The developer, 雨轩 蒋, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- User Content
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 94.7 MB
- Category
- Productivity
- Compatibility
Requires iPadOS 17.0 or later.
- iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later.
- iPad
- Languages
English and 7 more
- English, French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Cortex Pro 79,00 kr
- AI Credits 1M 19,00 kr
- Cortex Pro 59,00 kr
- AI Credits Plus 149,00 kr
- Cortex Pro 39,00 kr
- Cortex Pro 29,00 kr
- AI Credits Max 1.499,00 kr
- Provider
Yuxuan Jiang
- Yuxuan Jiang has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
- Address
China Mainland
Sichuan
Nanchong City
No. 6 Ziyuan Street
No. 2, 5th Floor, Unit 3, Building 12
638281 - Phone Number
+86 17390199497 - Email
1572676601@qq.com
- Copyright
- © 2026 Cortex. All rights reserved.