A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
Less typing. More doing.
Stage
Startup
MVP
Founded
2026
Not given
Based in
US
Not given
Pricing model
Freemium
Freemium
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.
Free: $0 forever (1 person, 250 active snippets, 1 library, 1 connected machine). Pro: $4/user/month for up to 5 users. Team: $8/user/month with no user cap.
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
Text expansion with shortcuts
On-device AI drafting and refinement
Repeated-text suggestions
Local search across snippets
macOS, Windows, and Linux desktop apps
Terminal UI for keyboard workflows
Sync across multiple devices
Shared libraries and team management
REST API access
MCP access for AI assistants
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
Local-first design with optional sync keeps your data on your device
Omphalis
Typerelay