A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
A privacy screen for your Mac that locks with one keystroke and unlocks with Touch ID
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
Not given
Pricing model
Freemium
Paid
Pricing
Free plan with 100 comprehension units/month. Pro $9/month with 300 units. Premium $19/month with 600 units. Scholar $39/month with 1,200 units. Annual billing saves 17%: Pro $90/year, Premium $190/year, Scholar $390/year. Unit packs from $10 for 200 units.
$14 one time. Includes 24 hours free trial, three Macs on one license key, and every future update. 30 days to change your mind, no questions.
Key features
Clean reading view for articles, PDFs, podcasts, videos and newsletters
Inline explanations for difficult passages written from surrounding context
Cross-source question answering with citations
Structural navigation showing key moments and density maps
Connected note-taking tied to source passages
Natural voice narration for listening
Notebook feature for gathering related sources with notes and questions
Discover shelf suggesting rights-cleared reading related to your library
Course builder to create lessons from saved documents
Integration with ChatGPT and browser extensions for Chrome and Firefox
Lock entire Mac display with one keystroke (⌘L)
Unlock with Touch ID or Mac password
Windows remain exactly as they were when locked
Works with multiple displays including new ones plugged in while locked
Hands off to macOS lock after custom time delay
No permissions required from macOS
What makes it different
Explanations stay beside the source instead of requiring you to leave to look up terms
Questions cite specific passages from sources so answers are traceable
Notes automatically stay attached to the passages that prompted them
Works with PDFs, videos, podcasts and articles in one unified workspace
Instant privacy that keeps windows exactly where you left them, unlike macOS lock screen
Survives Force Quit with automatic macOS lock activation
Omphalis
Shoji