Smart Blur 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.

Smart Blur compared with Web4 Browser
Detail	Smart Blur	Web4 Browser
What it does	Blur personal data before you share your screen	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	Freemium	Freemium
Pricing	Free plan includes pattern-based blurring for emails, phone numbers and IDs, click/draw/text selection blurring, and keyword matching. Pro Annual is $14.99 per year with AI detection of names and addresses, screen share auto-activation, and screenshot blurring. Pro Lifetime is $49.99 one-time. Team	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	Automatic pattern detection for emails, phone numbers and card numbers Click, draw or text selection to blur any element Custom keyword matching to hide words and names across pages Local AI detection of names and addresses in plain text (Pro) Share Shield auto-activation during screen shares (Pro) Screenshot capture with blur baked into the image (Pro) Saved blurs persist per page on revisit (Pro) Import and export settings (Pro) Works offline with local AI using WebGPU (Pro) Works with any browser-based screen sharing tool	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	Automatic screen share detection and activation (Pro) Local AI with offline capability using WebGPU Works across any website with no domain restrictions	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)	4 no change since last check	44 no change since last check
Trust Flow (Majestic)	5	8
Citation Flow (Majestic)	25	26
Referring domains (Majestic)	48	54

5 details filled in for both companies.

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