Web4 Browser vs CardGo.AI

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

Web4 Browser compared with CardGo.AI
Detail	Web4 Browser	CardGo.AI
What it does	AI antidetect browser and multi-account workspace with true-to-device browser identity	AI context cards for ChatGPT, Claude, Gemini, Perplexity and Grok
Stage	Not given	Not given
Founded	Not given	Not given
Based in	HK	Not given
Pricing model	Freemium	Freemium
Pricing	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	Free plan: $0 forever, 7 cards, CardGo AI: 10 messages and 10 hosted analyses a day. Pro plan: $9.90 per month, 50 cards, CardGo AI: 100 messages and 100 hosted analyses a day. Max plan: $19.90 per month, Unlimited cards, CardGo AI: 300 messages and 300 hosted analyses a day.
Key features	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	Save context once as encrypted cards with seven sections End-to-end encrypted with AES-256-GCM Works with ChatGPT, Claude, Gemini, Perplexity and Grok Sync across devices Card suggestions while typing Create multiple context cards with different details Filter sensitive details before sharing Dream cards feature to auto-generate card suggestions
What makes it different	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	One card works across five different AI services Eliminates need to re-explain context to each AI chat No credit card required to start Context attached only when you choose
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)	44 no change since last check	3 no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	26	26
Referring domains (Majestic)	54	41

5 details filled in for both companies.

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