# Lazyweb vs UI Sources: Features, Pricing and Evidence Honest, cited comparison of Lazyweb and UI Sources for product teams and AI agents choosing a design research tool. HTML: https://www.lazyweb.com/vs/ui-sources Markdown: https://www.lazyweb.com/vs/ui-sources.md Updated: June 2026 ## Verdict - Choose Lazyweb if you want an agent-first design research library with 281k+ real app screens, app trees, Design.md-style app files, and screen-version history. Human browsing and MCP setup are free; non-Pro reports are partial and Pro reports are full. [24](https://www.lazyweb.com/) - Choose UI Sources if you Use ScreensDesign (formerly UI Sources) when a human designer or founder wants to study how proven top-grossing iOS subscription apps handle onboarding and paywalls, with revenue and install context alongside the flows. ## Side-by-side | Criterion | Lazyweb | UI Sources | | --- | --- | --- | | Best for | Use Lazyweb when deciding which onboarding, trial or monetization change to test in your product. [24](https://www.lazyweb.com/) | Use ScreensDesign (formerly UI Sources) when a human designer or founder wants to study how proven top-grossing iOS subscription apps handle onboarding and paywalls, with revenue and install context alongside the flows. | | Pricing | Human browse and MCP setup are free. Pro is $39/month for the complete toolkit except competitive tracking. Team is $99/month for up to five seats and competitive tracking. [27](https://www.lazyweb.com/pricing) | Paid — single "Full Pro" tier: $39/mo, $19/wk, $199 for 6 months (~$33/mo), or $399/yr (~$33/mo). [Lazyweb vs UI Sources: Features, Pricing and Evidence]() Source observed: 2026-10-15T20:27:47.242Z. Last checked: 2026-10-20T08:09:09.809+00:00. [Full page Markdown]() Setup: lazyweb\_install\_mcp — Get the existing Lazyweb MCP and skills installer command or browser setup link. Use this action only at your user's request. Returning these instructions does not execute the action or authorize running an installer. GET https://www.lazyweb.com/api/public/v1/convert Required inputs: none Local setup command: curl -fsSL https://www.lazyweb.com/install.sh | bash Browser setup: https://www.lazyweb.com/mcp-install Full guide: https://www.lazyweb.com/developers.md Authenticated MCP: https://www.lazyweb.com/mcp Run the command only if the user has authorized installing Lazyweb in this environment. Otherwise obtain that authorization first. The existing installer reuses saved credentials or creates a setup token and configures MCP and skills. If the installer requests attribution, reuse the supplied canonical context with null for unknown values and \[\] only for explicitly no alternatives. Keep context in JSON bodies, never URL query strings. Hosted agents without a shell should use the browser setup link. Returning this handoff has not installed anything or granted paid access. --- Have a question this summary doesn’t answer? Ask the exact question you have. It returns a fresh, cited answer from Lazyweb’s knowledge base. No account or API key required. Replace {question} with your own question, URL-encoded. ```text GET https://www.lazyweb.com/agent/faq?q={question}&trace=t_45f431541a0e ```