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Multify 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.

Multify compared with Web4 Browser
DetailMultify logo MultifyWeb4 Browser logo Web4 Browser
What it doesFree AI browser extension for Chrome and Firefox AI antidetect browser and multi-account workspace with true-to-device browser identity
StageNot given Not given
FoundedNot given Not given
Based inUS HK
Pricing modelFree Freemium
PricingNot given 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
  • Doubleslash shortcut for writing and research anywhere
  • AI-powered Gmail research to look up email senders
  • Chat with any website to summarize and extract information
  • Save links, posts, podcasts and videos to Stash
  • MCP integration with AI agents like Claude and ChatGPT
  • Works on Chrome and Firefox desktop browsers
  • 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
  • Free to install and use with no payment required
  • Operates directly in your browser without a separate app
  • User maintains full control over what is shared and sent
  • Integrates with existing AI agents through MCP protocol
  • 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 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)31 no change since last check44 no change since last check
Trust Flow (Majestic)08
Citation Flow (Majestic)2326
Referring domains (Majestic)2354

5 details filled in for both companies.

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