A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
A Mac menu bar app that shows sale notifications with a pixel monkey
Stage
Startup
Not given
Founded
2026
Not given
Based in
US
CA
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 forever with one payment connection. Unlock everything for US$19 once, no subscription. 7-day trial of paid features.
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
Real-time sale notifications with pixel monkey animation
Integrations with Stripe, Paddle, RevenueCat, Shopify, Polar and Dodo Payments
Shareable milestone cards for first sale, $100, $1k and $10k clubs
Read-only API key security stored in Mac keychain
Revenue window showing Today, This Week, This Month and All Time totals
MRR and ARR charts
Custom notifications from scripts via JSON inbox
Weekly sales wall with scheduled notifications
Multiple sound options including cha-ching and cash register sounds
App Store sales integration with daily summaries
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
Integrates multiple payment platforms in one app with read-only keys that never leave your Mac
No subscription required, one-time $19 purchase includes everything
Shareable milestone and revenue cards with your company logo
Custom notification support for events beyond sales via JSON files
Omphalis
Slap Alert