LinkMartin vs Nook

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

LinkMartin compared with Nook
Detail	LinkMartin	Nook
What it does	AI bookmark manager that saves pages, writes descriptions and tags, and shows your bookmarks in Google search results	A Chrome extension that helps you stay focused, keep your place, and finish reading articles
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	Not given
Pricing model	Freemium	Free trial
Pricing	Free: 50 AI credits per month, 5 categories, unlimited saves. Pro: $5 per month or $50 per year for unlimited AI credits, unlimited categories, custom AI instructions, and own AI key option.	Free trial with full access to all features, no credit card required. After trial: $5/month or $39/year.
Key features	Shows bookmarks in Google search results AI-generated descriptions, tags, and categories Search across titles, descriptions, tags, categories, and web addresses Custom AI instructions for how to write descriptions Use your own AI key from OpenAI, Anthropic, or compatible providers Search library from Claude, ChatGPT, and Codex Related bookmarks suggestions Import from Chrome, HTML, or CSV files Export everything anytime Local storage in browser with optional sync	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	Works offline with bookmarks stored locally in your browser No account required to start saving and searching Bookmarks automatically appear in Google search results Import with folder structure preserved as tags Free export forever with no deletion blocks	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	0	4
Citation Flow (Majestic)	0	23
Referring domains (Majestic)	0	14

5 details filled in for both companies.

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