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Index vs Nook

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

Index compared with Nook
DetailIndex logo IndexNook logo Nook
What it doesKeep work, personal life, and every project in its own space. Switch between them without closing tabs or losing your place. A Chrome extension that helps you stay focused, keep your place, and finish reading articles
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Free trial
PricingNot given Free trial with full access to all features, no credit card required. After trial: $5/month or $39/year.
Key features
  • Spaces, each holding its own groups that open as Chrome tab groups
  • Favorites: up to eight pinned pages that stay with you in every space
  • Sleeping tabs that go out of sight and come back when clicked
  • Hundreds of themes
  • Rewind function keeping a week of changes on your computer
  • Export one JSON file to share with AI assistants like ChatGPT or Claude
  • Search any group, space or link from any page
  • Private by design with no account, server, or network requests
  • Autopace: guided reading that moves at your rhythm
  • Bionic reading mode for faster word recognition
  • Paragraph and line chunking to break down text walls
  • Seven specialized fonts including OpenDyslexic, Lexend, and Atkinson Hyperlegible
  • Calm background colors to reduce eye strain
  • Distraction-free reading mode
  • Works on any website, EPUB, or PDF
  • No ads or interruptions
  • Reading progress syncs across devices
What makes it different
  • Keeps a week of changes you can rewind through on your computer
  • Sleeping tabs preserve your place while keeping them out of sight
  • Built specifically for ADHD brains, not generic readers
  • Research-backed features grounded in peer-reviewed studies
  • Every feature designed to reduce mental effort, not add to it
  • 30-day money-back guarantee
  • Cancel anytime with no questions asked
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)20 no change since last check2 no change since last check
Trust Flow (Majestic)04
Citation Flow (Majestic)923
Referring domains (Majestic)714

4 details filled in for both companies.

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