Credibility Analyzer 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.

Credibility Analyzer compared with Web4 Browser
Detail	Credibility Analyzer	Web4 Browser
What it does	AI fact-check with a 1–10 score, claim-by-claim findings, and sources across browsers and apps	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	Not given	HK
Pricing model	Free	Freemium
Pricing	Free to use; users bring their own API keys and are billed directly by Google, Anthropic, or OpenAI for model usage.	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	Chrome and Firefox browser extensions iPhone and Mac apps with Share Extension for analyzing text from Safari or any app Android app on Google Play 1–10 credibility score with short verdict Claim-by-claim findings with verified, partially verified, unverified, or false/misleading labels Source links from web grounding citations Optional Media Bias/Fact Check publisher rating Results in the same language as the page when possible On-device Gemini Nano for local analysis on Chrome Bring your own API key for Gemini, Claude, or OpenAI models	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 across multiple platforms as both browser extensions and native mobile apps Bring-your-own-key model with no account required On-device analysis option with Gemini Nano on Chrome keeps text private Claims grounded in live web search or model training knowledge with source citations Multilingual results matching the page language	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)	28 no change since last check	44 no change since last check
Trust Flow (Majestic)	2	8
Citation Flow (Majestic)	22	26
Referring domains (Majestic)	30	54

5 details filled in for both companies.

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