Skip to main content
SaaS Directory List

Omphalis vs GraceOS

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Omphalis compared with GraceOS
DetailOmphalis logo OmphalisGraceOS logo GraceOS
What it doesA workspace for reading articles, PDFs, videos and podcasts with AI explanations and cross-source questions Your Personal LifeOS
StageStartup Not given
Founded2026 Not given
Based inUS IN
Pricing modelFreemium Free
PricingFree 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 to download. Pro is an optional subscription or one-time purchase.
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
  • Private journal with moods, photos and voice notes
  • Habit tracking with streaks and goals with milestones
  • Tasks and study projects
  • Finance tracking: expenses, budgets, subscriptions and investments
  • Health reminders: sleep, water, workouts, vitals and medication
  • Focus timer with ambient sounds and breathing exercises
  • AI companion using your own provider key
  • On-device AI with no internet connection required
  • Works completely offline with no account needed
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
  • AI companion runs on your own provider key with no middleman server
  • No chat limits on AI companion; you control what you pay
  • Works entirely offline with optional on-device AI model
  • Encrypted Secrets Vault protected by biometrics on device
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes10
DR (Domain Rating by Ahrefs)44 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)220
Citation Flow (Majestic)270
Referring domains (Majestic)2081

6 details filled in for both companies.

More alternatives to Omphalis More alternatives to GraceOS

Get help