Calm reader.
Serious controls.
Typography, bionic mode, RSVP speed, learning paths, and a library that stays on your device. AI is optional.
Mental models · sample title
Page 8 of 284 · 3%
Introduction
“If all you have is a hammer, everything looks like a nail.”
Mental models · sample
200 WPMSwipe up/down for speed
Bionic reading
Half the word, half the friction
Bold anchors guide your eye across each line. Toggle it anywhere — PDFs, EPUBs, or speed mode.
Evolution has rewarded the curiosity of human beings with the gift of pattern recognition. Reading is how we stack those patterns into judgment.
RSVP speed
One word. Fixed gaze.
100 to 900 WPM with a red ORP pivot. Swipe to adjust speed in real time.
100–900 WPM · swipe to adjust
Themes & type
Fonts, margins, and night-safe palettes
Applies across readers, not a one-off skin. Pick a palette and it follows you everywhere.
Learning paths
Ordered books.
One path.
Name a goal, get a suggested read order (plus books you already have), then work the trail: step numbers, zig-zag layout, same screen to edit and track.
Illustration of read order in Librai, not a full app frame.
The Hundred-Page Machine Learning Book
Andriy Burkov
Mathematics for Machine Learning
Deisenroth, Faisal, Ong
An Introduction to Statistical Learning
James, Witten, Hastie, Tibshirani
When you need it
In-panel help.
Not a second app.
Book-scoped answers. Open the assistant, then get back to the page.
Demo · conversations stay tied to your library on device
Simple tiers
PDF to start · every format when you are ready
Free
$0
- ✓ Full reader on PDF · limits on speed mode
- ✓ Up to 3 books
- ✓ Stats & caps on AI / scans / paths
Pro
$4.99/mo
- ✓ EPUB, MOBI, FB2, CBZ, PDF…
- ✓ Unlimited books & speed reading
- ✓ Unlimited AI, scans, paths