Observed arrival · 2026-10-21

Cassie turns highlights into lessons

askcassie.study Visit website

Editorial interest 73/100 Selection signal · not a rating of the site

Cassie is an AI study companion that explains highlighted material from websites, PDFs, slides, and photos, then helps turn it into quizzes and flashcards.

Landing page captured for the 2026-10-21 issue.

For: Students studying from readings, slides, and notes
Worth noticing: The page says its interactive demos are written ahead, while describing the labs, 3D space, atlas, and puzzles as real app components.

Field notes

The sample shelf brings together readings, slides, PDFs, and photos of notes, with reviewers, flashcards, and mistakes shown alongside the source material. A biology example demonstrates the explain, quiz, and flashcard actions; other sections show labs, a 3D space feature, an atlas, and puzzles. The page says these demos are written ahead, while describing those app components as real.

Observed signals

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

◎NicheUnusually specific use

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