A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
Native Markdown editor and preview for macOS with workspace tree, find and replace, link map, and clickable task lists
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.
$4.99 one-off purchase on the Mac App Store
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
Import Word, PDF and RTF to Markdown with headings and tables
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 subscription: one-off $4.99 purchase with all features included and free updates
Complete privacy: no data collection, no network access unless you add your own API key
Search by meaning: find sections with semantic similarity computed on your Mac
AI project overview generation with Apple Intelligence or local models
MCP support for AI agents to read and suggest changes to projects
Omphalis
Markdown Buddy