# BrainDen: Lecture Note Taker

> AI Flashcards & Active Recall

Canonical page: [https://chrome-stats.com/d/id6757434859](https://chrome-stats.com/d/id6757434859)

## Overview

- **ID:** `id6757434859`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Ogbemudia Terry Osayawe
- **Category:** Education
- **Version:** 1.1.1
- **Last updated:** 2026-07-14
- **First published:** 2026-01-12
- **Size:** 49 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/brainden-lecture-note-taker/id6757434859)
- **Website:** [https://brainden.app](https://brainden.app/)
- **Privacy policy:** [https://www.brainden.app/privacy](https://www.brainden.app/privacy)

## Description

Turn lectures, PDFs, photos, audio, text, and video links into structured notes, flashcards, quizzes, mind maps, and active-recall practice.

Turn lectures and study materials into a complete study system.

BrainDen transforms lectures, PDFs, photos, audio files, text, and video links into structured notes you can edit, connect, annotate, and review.

CAPTURE WITHOUT FALLING BEHIND
• Record live lectures while BrainDen organizes the material
• Upload audio files and PDFs
• Capture textbooks, handwritten notes, or whiteboards
• Import text and supported video links
• Combine multiple sources inside one note

LEARN WITH ACTIVE RECALL
• Generate flashcards from your own material
• Review cards with spaced repetition
• Create quizzes that reveal weak areas
• Build mind maps to see how ideas connect

UNDERSTAND WITH FEYNMAN MODE
Choose a topic and explain it in your own words. BrainDen gives focused feedback, identifies gaps, and helps you turn memorized facts into real understanding.

MAKE EVERY NOTE YOURS
• Edit titles and note content
• Refine selected sections with AI
• Highlight important passages and add inline comments
• Link related notes and source materials
• Organize nested folders and read selected notes together
• Export notes and folders as PDF, Markdown, text, or ZIP

ASK YOUR MATERIAL
Chat with your notes when you need a simpler explanation, an example, or a step-by-step breakdown grounded in your study material.

STUDY YOUR WAY
• Generate study materials in multiple languages
• Continue reading recently opened notes offline
• Use light or dark appearance
• Share useful notes and folders

BrainDen is free to try. Some generation limits and advanced features require BrainDen Pro.

Terms of Service: https://www.brainden.app/terms
Privacy Policy: https://www.brainden.app/privacy

## Rankings

- #2,251,064 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6757434859)