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Reference edition 2026.46

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Responsive Tool vs Lens

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

Responsive Tool compared with Lens
DetailResponsive Tool logo Responsive ToolLens logo Lens
What it doesFree responsive website checker for mobile, tablet and desktop Kubernetes IDE for managing clusters with governed AI agent access
StageNot given Established
FoundedNot given 2015
Based inNot given US
Pricing modelFree Freemium
PricingNot given Personal: Free (for students, hobbyists, and small organizations under $10M revenue). Plus: $25/month with annual subscription ($300/year) or $30/month billed monthly. Pro: $25/seat/month with annual subscription ($300/year per seat) or $30/month. Enterprise: $50/seat/month with annual subscription
Key features
  • Test multiple device viewports simultaneously
  • Real CSS viewport rendering
  • Share setup links
  • Custom pixel width testing
  • No installation required
  • Sync scroll across panes
  • Browser-based with no account needed
  • Multi-cluster management with real-time metrics and logs
  • AI integration with Claude, Codex, and Copilot
  • Helm Chart management and deployment
  • Port forwarding and resource editor
  • GitOps with Flux and Argo CD
  • Security Center with CVE reporting
  • AI Smart Terminal connecting to cluster context
  • Lens Studio with split screen and tabs
  • AWS EKS, Azure AKS, and Google GKE integration
  • Agent identity and policy-controlled access
What makes it different
  • Compare multiple real device widths side by side instead of switching one at a time
  • Faster than DevTools for checking several device sizes at once
  • Entirely browser-based with no setup, signup or download
  • Built and maintained by one developer in the open
  • Used by over one million developers globally
  • Local operation with no backends or cloud services required
  • Enterprise compliance with SOC 2 Type 1 and ISO 27001 certification
  • Developer-first design shaped around real workflows
  • Governed AI agent access with full audit trails
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)Not checked yet no change since last check70 no change since last check
Trust Flow (Majestic)113
Citation Flow (Majestic)2541
Referring domains (Majestic)141058

4 details filled in for both companies.

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