A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
The shared shopping list for your household
Stage
Startup
Not given
Founded
2026
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Based in
US
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Pricing model
Freemium
Free
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.
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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
One link sharing with no sign-up required
Real-time visibility of who is buying what
About 1,200 pre-loaded everyday products with icons
Add custom items with quantity, store and notes
Mark items purchased with instant updates to all members
Customize lists with names, colors and icons
Available in five languages
No ads or account creation needed
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
No account, password or registration required
Share with one link by WhatsApp, text or email
Completely free with no ads
Prevents duplicate purchases with instant visibility
Omphalis
SirJib