A workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions
PC cleaning and driver management tool that explains every action before making changes
Stage
Startup
Startup
Founded
2026
2026
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. Pro monthly: €5.99/month. Pro yearly: €34.99/year. Pro lifetime: €74.99 one-time. 7-day free trial available for Pro in-app, no card required.
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
Cleaning: removes caches, update remnants, and recoverable files with explanation for each item
Driver management from Microsoft's certified catalog with automatic detection
Game booster temporarily frees memory and deprioritizes background processes
Emergency network drivers for offline Windows reinstalls
Ransomware protection with early detection and file isolation
DNS measurement and optimization
System health score from 0-100 based on actual PC measurements
Performance Lab showing hardware status and game installation locations
Portable version requires no installation
Automated scheduled maintenance and autopilot with Pro
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
Explains every action before making changes with full user control over deletions
All changes are reversible with old drivers retained for rollback
Free version has no time limit, ads, or account requirements
Omphalis
Rain Cleaner