Web4 Browser vs OnlyRead

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 OnlyRead
Detail	Web4 Browser	OnlyRead
What it does	AI antidetect browser and multi-account workspace with true-to-device browser identity	Read-only mode for AI browser agents
Stage	Not given	MVP
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: $0/month, open source with bring-your-own-model key. Pro: Free during early access with 1,000 judged requests; $5/month when paid tier launches.
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	Blocks write, post, delete and purchase operations Works with any Chromium browser and AI agent App-specific rules and request classification Open source codebase Central control across multiple browsers (Pro) One-link agent browser setup (Pro) No API key required (Pro) Per-account usage limits with fail-closed behavior Tested on 1,000+ real tasks
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	Reduces accidental changes by AI agents without eliminating access to read data Open source with full code transparency Fail-closed design for unclassified requests Tested against real AI agent tasks on major websites Fully managed Pro option with no setup required
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	Not checked yet no change since last check
Trust Flow (Majestic)	8	0
Citation Flow (Majestic)	26	0
Referring domains (Majestic)	54	0

5 details filled in for both companies.

More alternatives to Web4 Browser More alternatives to OnlyRead