LinkMartin vs Web4 Browser

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 Web4 Browser
Detail	LinkMartin	Web4 Browser
What it does	AI bookmark manager that saves pages, writes descriptions and tags, and shows your bookmarks in Google search results	AI antidetect browser and multi-account workspace with true-to-device browser identity
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	HK
Pricing model	Freemium	Freemium
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 plan includes 3 browser environments with no team members. Starter at $9/month provides 15 environments. Small Team at $19/month includes 1 team member and 55 environments. Popular at $39/month includes 2 team members and 125 environments. Scale Team at $69/month includes 4 team members and 250
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	Isolated browser profiles with persistent identity and session data Real-device fingerprinting and AI environment modeling Per-profile proxy and network configuration Browser automation with visual workflows and headless execution Team permissions, roles, and activity logging AI browser workflows and MCP skill integration Multi-environment grouping and workspace organization Profile template copying and batch creation
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	Real-device signals and AI environment modeling instead of manual parameter mixing Isolated execution boundaries with team-level access control and activity logging Unified workspace for profiles, proxy routing, automation, and team handoffs
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	44 no change since last check
Trust Flow (Majestic)	0	8
Citation Flow (Majestic)	0	26
Referring domains (Majestic)	0	54

6 details filled in for both companies.

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