If you can't explain what you read,did you really read it?

Most people read passively and forget everything. Activi turns anything you read into active understanding—with articles, PDFs, and quick checks that make you explain what you understood.

Activi reader: article view with navigation and reading progress

Why you forget everything you read

  • You read passively
  • You never test your understanding
  • You move on too fast

Ever finished something and realized you couldn't explain a single idea?

So what happens?

  • You walk away with nothing you could teach or use.
  • You confuse familiarity with real understanding.
  • Ideas fade before they ever stick.

That's where Activi changes everything.

Illustration: an active mind engaging with ideas

Activi turns reading into understanding

Pause, reflect, and answer quick questions so ideas stick—instead of scrolling past them.

Stop reading noise

AI strips ads, sidebars, and clutter so you see the argument—not the layout. Add from URLs, paste, or upload PDFs.

Check what you understood

Short questions after each page force you to retrieve ideas in your own words—before you turn the page.

Pick up where you left off

Projects, progress, and sync across devices so momentum isn't lost between sessions.

Ask without spoilers

An assistant that answers from what you've read so far—so you can clarify without jumping ahead. Activi helps you get there.

Simple pricing

Unlock everything for $9.99/month

$9.99 per month
  • Unlimited reading from URLs, paste, and files
  • Projects and folders to organize your reads
  • AI Active Reading assistant
  • Text gradient for faster reading
  • Pomodoro focus timer
  • Progress tracking and sync across devices
  • Custom text size and dark mode
Subscribe for $9.99/month
Reading without thinking is just scrolling.

The moment you pause, reflect, and learn—that's when it sticks.

Stop forgetting what you read

Start reading in a way that actually sticks.

“This is how reading should feel.”
“I actually remember what I read now.”
“It forces you to think.”
Get started