AI Lecture Recorder & Voice Note Taker
Record classroom lectures, seminars, and voice memos on your phone. MasteryAI filters ambient room noise, transcribes the speaker, and organizes the lecture into structured study notes, flashcards, and quizzes automatically.

Study Smarter for Exams, Lectures & Research
From demanding pre-med sciences to dense law cases, students use MasteryAI to turn hours of raw lectures and readings into active study routines.
90 Min
Lectures to Study Notes
Converts long classroom audio recordings and slide decks into clean outlines
4 Formats
Active Recall Study Tools
Instant flashcards, practice quizzes, mindmaps, and Feynman checks from any note
All Sync
Available Everywhere
Access your notes and study decks on iPhone, Android, and Web
Students from leading universities study with MasteryAI
Real Stories From Real Students
No paid hype. Just genuine feedback from people using the app every single day.
"I used to spend hours every Sunday typing notes from 60 slide lecture decks. Now I upload the lecture audio and slide PDF, test myself with practice quizzes, and feel ready for exams without burning out."
Maya Lin
Pre-Med & Molecular Biology • UC Berkeley
"What sold me is the Feynman mode. When I explain a hard algorithm out loud and it immediately points out the exact step I missed, it sticks in my head for good. It feels like having a patient tutor right on my phone."
Marcus Vance
Computer Science & Math • Univ. of Michigan
"Most note apps stop at basic summaries that miss the details. MasteryAI extracts definitions and key holdings into question flashcards so I can quiz myself before seminar discussions."
Sarah Jenkins
Law & Public Policy • Georgetown Law
Works with everything in your curriculum
- Lecture slides & PDFs
- YouTube video lessons
- Class audio recordings
- Textbooks & research papers
- Whiteboard & book photos
- Web articles & research
Powerful Features for Voice Recording
Everything you need to transform voice recordings into actionable, organized knowledge
Live Recording
Record meetings, lectures, and conversations directly in the app with high-quality audio capture.
Advanced Transcription
Real-time speech-to-text conversion with exceptional accuracy, even with multiple speakers and accents.
Smart Summaries
Get instant summaries and key points from your recordings. Perfect for quick reviews and action items.
Speaker Detection
Automatically identify and label different speakers in multi-person conversations and meetings.
Multi-Language Support
Record and transcribe supported languages with automatic language detection where available.
Action Items Extraction
AI automatically identifies tasks, decisions, and action items from meeting recordings.
From Recording to Notes in 3 Simple Steps
No manual note-taking. No missing details. Just record, process, and master the conversation.
Start Recording
Tap the record button to capture meetings, lectures, interviews, or any conversation in real-time.
AI Transcribes Live
Advanced AI transcribes speech in real-time, identifies speakers, and structures the content.
Get Structured Notes
Receive organized notes with summaries, key points, action items, and flashcards instantly.
Perfect for Every Recording Scenario
Whether you're studying, working, or interviewing, capture conversations effortlessly
Students & Learners
Record lectures and study sessions live. Never miss important points while focusing on understanding the material.
Professionals
Capture meetings, client calls, and brainstorming sessions. Get action items and decisions automatically.
Journalists & Writers
Record interviews and conversations with automatic transcription. Focus on the discussion, not note-taking.
Researchers
Document research sessions, focus groups, and field studies with accurate transcription and analysis.
Why Choose MasteryAI for Recordings?
See why students and teams record meetings and classes with MasteryAI
Manual Note-Taking
Manual writing while trying to listen
- Writing while trying to listen
- Missing important details
- Divided attention
- Incomplete conversation capture
- Unorganized scattered notes
- No searchable content
MasteryAI
Be present, let AI take the notes
- Automatic live transcription
- AI-generated summaries
- Key insights & action items
- Complete conversation capture
- Structured, organized notes
- Fully searchable content
Frequently Asked Questions
Everything you need to know about voice recording and transcription
Open MasteryAI on your phone, place it on your desk, and tap record. The app captures the audio, applies noise reduction to minimize classroom echo, and generates a structured study outline once you tap finish.
Ready to record and transcribe conversations?
Download MasteryAI FreeTake Notes Anywhere, Access Everywhere
Available on iOS, Android, and Web. All your notes, flashcards, mindmaps, and practice quizzes sync automatically in real-time. Start studying on your phone during a lecture, and continue on your desktop.



Start Saving Hours on Note-Taking Today
Join thousands of students and professionals who learn 3x faster with AI-powered notes.

