Retention is all you need

Lesson Player

You are interacting with an AI tutor. Lessons, voices and diagrams are AI-generated and may contain inaccuracies. You can ask for human review at any time.

Drop your lecture PDF or PowerPoint

or browse to pick a file — the tutor starts teaching the moment it's ready.

Start page

Waiting for a file

or

Type a topic

Teach in

Preparing next step…

Lesson paused

Blackboard

Upload a PDF to preview slides. PowerPoint files show as outline.

Page 1

AI Tutor

Context

Open a derivation, widget, or video from the action bar.

Generating widget…

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Current line

(waiting)

100%

Diagram

Tap to enable tutor audio

On your phone? Try Podcast mode — audio-first, less data. Open podcast mode

Pick a PDF to start teaching.

🍿 Auto-play Beta

Sit back — the tutor advances through your slides automatically, like a video lecture you can pause anytime.

Beta: auto-play runs up to 5 slides per session to keep token usage in check. Restart it to continue further.

Slides →

Speed

Ask a doubt

Tutor paused — ask your question.

Settings

General

👤

Guest

Appearance

Teaching language

Teaching mode

Open podcast mode

Account

Sign in to save profile details across devices.

Display name

Country

Education level

Accessibility

Captions

Show tutor subtitles under the avatar during lessons. When the tutor is minimized, drag the caption bar to reposition it, or double-click to restore it after hiding.

Caption size

High contrast

Increase contrast for board and UI elements.

Voice & Audio

English teaching presets only. Hindi, Spanish, and mixed modes use gTTS.

Deepgram

Cartesia

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