A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
Free online Pomodoro timer for focus sessions
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
Not given
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.
Not given
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
Customizable timer from 5 to 60 minutes in 5-minute steps
Progress tracking with visual Pomodoro counter
Timer persists when switching browser tabs
Automatic sound notification when session ends
Chrome extension with website blocking
No account required
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
Works directly in browser with no installation needed
Timer remembers running sessions across page reloads
Optional Chrome extension adds website blocking during focus time
Omphalis
Yellow Tomato