# BrainDen: Lecture Note Taker — Notes, Flashcards & Quizzes

> Notes, Flashcards & Quizzes (iPhone/iPad app by Terry Osayawe.)

- Source: https://appshunter.io/ios/app/brainden-lecture-note-taker/id6757434859 (this page in markdown: same URL + `.md`)
- Developer: [Terry Osayawe](https://appshunter.io/developer/1678791059)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.1 · 49 MB
- Languages: English
- Released: 2026-01-12
- Data updated: 2026-07-26
- User reviews in markdown: https://appshunter.io/ios/app/brainden-lecture-note-taker/id6757434859/reviews.md

## What is BrainDen?

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

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| BrainDen Pro - Monthly | $19.99 | per month |
| BrainDen Pro - Annual Subscription | $99.99 | per year |
| 6-Month Pro Subscription | $49.99 | per 6 months |



## Version history (last 4 releases)

### 1.1.1 — 2026-07-14

BrainDen 1.1.1 makes your study materials easier to build, organize, and understand.

• Combine multiple sources in one note, including PDFs and recordings
• Edit notes directly and refine selected blocks with AI
• Highlight passages and attach inline comments
• Organize nested folders and move notes between them
• Add source materials to existing notes
• Read selected notes together and export folders as PDF, Markdown, or ZIP
• Improved recording reliability, navigation, and study-action design

### 1.1.0 — 2026-02-11

Find any note in seconds. Search across titles, content, and transcripts with highlighted results and scope filters.

Study Streaks
Stay motivated with daily streak tracking on your dashboard. See your current and longest streaks, cards reviewed today, and a 7-day activity overview.

Note Linking
Connect related notes together. Link any note to another and discover backlinks automatically. Build your personal knowledge graph.

Export Notes
Export any note as PDF, Markdown, or Plain Text. Share your notes with classmates or save them for offline reading.

Offline Mode
View your recently opened notes without an internet connection. A banner lets you know when you're offline, and everything syncs back when you reconnect.

Share: 
Make notes public and share with friends and family

### 1.0.4 — 2026-01-13

Localization support (30+ languages) - Notes, flashcards, quizzes, and mind maps in your language.

### 1.0.3 — 2026-01-12

No release notes.

## More apps by Terry Osayawe

- [MemMatchMaster](https://appshunter.io/ios/app/memmatchmaster/id6446699542)
- [DebtFreeVisualizer](https://appshunter.io/ios/app/debtfreevisualizer/id6742692020)
- [Net Worth Telescope](https://appshunter.io/ios/app/net-worth-telescope/id6744857218)
- [Feynman Nurse AI](https://appshunter.io/ios/app/feynman-nurse-ai/id6757008553)

All apps by Terry Osayawe: https://appshunter.io/developer/1678791059

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-26.*