Skip to main content

source-lm vs Nook

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

source-lm compared with Nook
Detailsource-lm logo source-lmNook logo Nook
What it doesChrome extension to bulk-add sources to NotebookLM from JSON exports, YouTube, and web pages A Chrome extension that helps you stay focused, keep your place, and finish reading articles
StageNot given Not given
FoundedNot given Not given
Based inES Not given
Pricing modelPaid Free trial
PricingFree plan: 5 bulk actions per month, single sources always free. Pro licence: $29 one time, unlimited bulk runs. Free trial with full access to all features, no credit card required. After trial: $5/month or $39/year.
Key features
  • Split JSON exports into Markdown files with 400,000-word budget
  • Filter sources, detect duplicates, and batch delete
  • Incremental uploads skip already-added content
  • No account or login required
  • Source-available code published unminified
  • No data written to disk or stored on servers
  • Supports Telegram Desktop and Telegram for macOS exports
  • 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
  • No backend or recurring costs: pay once, keep the licence forever
  • Runs entirely in your browser with no account or login needed
  • Smart splitting keeps records whole and avoids duplicates on re-runs
  • Source-available and unminified so you can audit the code yourself
  • Extends NotebookLM's interface with bulk operations and source management tools
  • 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)15 −1 (down) since last check2 no change since last check
Trust Flow (Majestic)184
Citation Flow (Majestic)1523
Referring domains (Majestic)2414

5 details filled in for both companies.

More alternatives to source-lm More alternatives to Nook

Help centre