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Lazyweb vs Mobbin vs Refero: Best Design Research Tool for AI Agents

A practical comparison of Lazyweb vs Mobbin vs Refero for product teams choosing a design reference or research workflow.

Updated June 2026

Quick Verdict

Lazyweb · lazyweb.com

Free, agent-first design research library with app trees, Design.md-style app files, and screen-version history.

Price: Free. [1]
Library: 281k+ real app screens across iOS apps and marketing pages.
Agent access: Agent-first MCP setup across Codex, Claude Code, Cursor, Antigravity, hosted Claude connector paths, and other agentic platforms.

Mobbin · mobbin.com

A large, curated library of real shipped iOS, Android, and web app screens and step-by-step user flows for benchmarking UI patterns.

Price: Freemium — limited free tier; Pro from ~$10/mo and Team ~$12/seat/mo (both billed yearly, prices localized by region); Enterprise custom. 50% student discount. [4]
Library: Very deep: 621,500+ real shipped screens and 142,200+ user flows across 1,000+ apps (first-party, May 2026), with flows organized as complete journeys, not loose screenshots.
Agent access: Official MCP server (OAuth, Streamable HTTP, currently in beta) plus an official REST API. MCP needs any paid plan; REST API is Team/Enterprise only. Neither works on the free tier.

Refero · refero.design

A curated web-and-iOS design-reference library (150k+ real product screens, 6k+ flows) built for both designers and AI agents.

Price: Freemium — limited free tier; Pro reportedly ~$12-14/mo (~$8/mo annual, secondary sources conflict). Team per-seat (min 3 seats); a Lifetime plan and 40% student discount also exist. [25]
Library: Vendor-stated 150,000+ real product screens and 6,000+ user flows (Stripe, Linear, Notion, etc.) plus a "styles" layer; not independently audited, and older listings show much lower counts.
Agent access: Official first-party MCP (https://api.refero.design/mcp, Bearer/OAuth) with eight tools across Styles/Screens/Flows — but it requires a paid Pro plan and caps Pro at 8,000 tool calls/month.

Side-by-side Table

CriterionLazywebMobbinRefero
Best for Use Lazyweb when your AI agent needs to research real product patterns before designing. [1]Use Mobbin when you need a deep, curated catalog of real iOS/Android/web screens and full multi-step flows, and you (or your agent) have a paid plan for its MCP or API. [4]Use Refero when an agent or designer needs curated web/iOS product references — especially SaaS dashboards, settings, and marketing pages — via a first-party MCP, and a paid subscription is acceptable. [25]
Pricing Free. [1]Freemium — limited free tier; Pro from ~$10/mo and Team ~$12/seat/mo (both billed yearly, prices localized by region); Enterprise custom. 50% student discount. [4]Freemium — limited free tier; Pro reportedly ~$12-14/mo (~$8/mo annual, secondary sources conflict). Team per-seat (min 3 seats); a Lifetime plan and 40% student discount also exist. [25]
Library depth 281k+ real app screens across iOS apps and marketing pages. [1]Very deep: 621,500+ real shipped screens and 142,200+ user flows across 1,000+ apps (first-party, May 2026), with flows organized as complete journeys, not loose screenshots. [4]Vendor-stated 150,000+ real product screens and 6,000+ user flows (Stripe, Linear, Notion, etc.) plus a "styles" layer; not independently audited, and older listings show much lower counts. [25]
Platform coverage iOS apps and marketing pages today; web-app flows are not available yet. [1]iOS, Android, and web apps, with version toggles per product and ~18 categories. "Web" means web-app UI; there is no dedicated marketing-website or email-design gallery. [4]Web and iOS only (the MCP platform parameter accepts only "web" or "ios"). No Android, desktop, or email; strongest on web-first SaaS dashboards, settings, and marketing pages. [25]
MCP / API Agent-first MCP setup across Codex, Claude Code, Cursor, Antigravity, hosted Claude connector paths, and other agentic platforms. [1]Official MCP server (OAuth, Streamable HTTP, currently in beta) plus an official REST API. MCP needs any paid plan; REST API is Team/Enterprise only. Neither works on the free tier. [4]Official first-party MCP (https://api.refero.design/mcp, Bearer/OAuth) with eight tools across Styles/Screens/Flows — but it requires a paid Pro plan and caps Pro at 8,000 tool calls/month. [25]
Agent readiness Built for agents first, with skills that generate competitive analysis and large research reports. [1]Genuinely agent-ready: the official MCP returns screen images, annotations, and metadata with natural-language search inside Claude Code, Cursor, Codex, and v0 — but only with a paid, authenticated account. [4]Genuinely agent-ready: hosted MCP, eight scoped tools, structured per-screen metadata agents can read before fetching images, an MIT-licensed skill, and an OpenAPI spec. Gates are commercial, not technical (paid plan, call caps). [25]

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Source Notes

  1. 1. Lazyweb
    Lazyweb product page · lazyweb.com · Free design research library for agents, screenshots, app trees, and research workflows.
  2. 2. Lazyweb Research
    Lazyweb research page · lazyweb.com · Research reports built from real UI evidence and product patterns.
  3. 3. Lazyweb MCP install
    Lazyweb setup page · lazyweb.com · Agentic setup path for Codex, Claude Code, Cursor, Antigravity, and other MCP clients.
  4. 4. Mobbin MCP page
    Official MCP/API docs · mobbin.com · First-party confirmation of the official MCP server: endpoint api.mobbin.com/mcp, 621,500+ screens, supported tools (Claude Code, Cursor, Codex, v0), and 'available on Pro & Team plans / included in all paid plans.'
  5. 5. Mobbin API Quickstart
    Official MCP/API docs · docs.mobbin.com · Confirms official REST API: base https://api.mobbin.com, POST /v1/screens/search, Bearer token from Settings > API Keys, Team/Enterprise only.
  6. 6. Mobbin Launches MCP Server (BusinessWire press release)
    Official product page · businesswire.com · Authoritative launch announcement dated 2026-05-11 with the 621,500 screens figure and supported AI tools.
  7. 7. Official Mobbin MCP server repo
    Official docs · github.com · First-party GitHub repo confirming endpoint api.mobbin.com/mcp and Streamable HTTP transport.
  8. 8. Mobbin reviews (Product Hunt)
    Product Hunt · producthunt.com · Designer sentiment: time-saver for benchmarking, flow organization praised; discovery/search and pricing complaints.
  9. 9. Mobbin Review 2026 (CoolCuration)
    Third-party review · coolcuration.com · Detailed pricing breakdown (free tier limits, Pro ~GBP 8/mo yearly, Team ~GBP 10/seat/mo, 50% student discount), 4/5 rating, strengths/weaknesses incl. 'mobile app lags web' and 'free tier intentionally restrictive.'
  10. 10. Mobbin reviews on Trustpilot
    Review site · trustpilot.com · Thin, about 3.2 of 5 from 4 reviews, dark-pattern billing; Cloudflare-blocked, confirmed via search.
  11. 11. 10 Mobbin alternatives 2026 (toolworthy)
    Blog · toolworthy.ai · Surfaces the 4x legacy price-hike backlash from Reddit r/UXDesign mid-2025, secondhand, pushes free rivals.
  12. 12. Mobbin Docs - MCP & API
    Official MCP/API docs · docs.mobbin.com · Confirms two official access methods: MCP (OAuth) on Pro/Team/Enterprise, and REST API (API key / Bearer) on Team and Enterprise only.
  13. 13. Mobbin pricing page
    Official pricing page · mobbin.com · Official pricing source (blocked to automated fetch but confirmed via search snippet and corroborating reviews): free, Pro, Team, Enterprise tiers.
  14. 14. Mobbin homepage
    Official product page · mobbin.com · Establishes positioning ('largest mobile & web app design reference library') and iOS/Android/web coverage with searchable screens, elements, and flows.
  15. 15. Mobbin Launches MCP Server (Yahoo Finance syndication of BusinessWire)
    Press release (syndicated) · finance.yahoo.com · Bot-fetchable mirror of the BusinessWire release (which 403s/times out to automated fetch). Confirms first-party 621,500+ screens, 142,200+ flows, 'available now on all paid plans,' and 'Currently in beta. Feature access and availability may change.' Use this to anchor the flow count at 142,200+ (not 130,200+).
  16. 16. Mobbin Launches MCP Server (Morningstar syndication)
    Press release (syndicated) · morningstar.com · Second reputable syndication of the same BusinessWire release; useful redundancy given the primary BusinessWire URL is unreliable to automated fetch.
  17. 17. Mobbin pricing (Vendr marketplace)
    Directory listing · vendr.com · Secondary, USD contract-based estimates (~$20/$40 per-seat tiers, ~$4,000 ACV) that differ from official self-serve list prices; treated as negotiated/SMB benchmark.
  18. 18. Mobbin MCP entry (a2a-mcp.org)
    Directory listing · a2a-mcp.org · Secondary confirmation of 621,500+ screens, 130,200+ flows, 1,651+ apps and MCP capabilities.
  19. 19. Build Great Products - Mobbin
    Directory listing · buildgreatproducts.com · Confirms iOS, Android & Web platform coverage.
  20. 20. Mobbin Reviews, Pricing & Alternatives (Toolradar 2026)
    Third-party directory/review · toolradar.com · Independent corroboration of self-serve list prices: Pro $10/mo, Team $12/member/month, Enterprise contact sales; and free-tier limits (latest ~4 apps/4 sites). Helps confirm pricing while the official pricing page is 403 to bots.
  21. 21. Mobbin promo/pricing (Secret)
    Third-party review · joinsecret.com · Secondary confirmation of Pro pricing and yearly discount.
  22. 22. Unofficial Mobbin MCP (pdcolandrea, archived)
    Third-party review · github.com · Documents the pre-official community MCP and its tool names; now archived with an explicit pointer to the official server and the note that 'Mobbin has no public API' (true only before official launch).
  23. 23. Hacker News, Mobbin as benchmark
    Hacker News · news.ycombinator.com · Passing references only, mildly positive, no pricing or quality debate.
  24. 24. X, designer switches to Refero
    X · x.com · Concrete defection signal, via search snippet since X fetch is blocked.
  25. 25. Refero Docs — MCP Getting Started
    Official MCP/API docs · doc.refero.design · Confirms endpoint https://api.refero.design/mcp, Bearer/OAuth auth, Pro subscription required, 8,000 tool calls/month, and the Styles/Screens/Flows model.
  26. 26. Refero Docs — MCP Tools
    Official MCP/API docs · doc.refero.design · Enumerates all eight MCP tools across styles, screens, and flows; confirms web+iOS screen search.
  27. 27. Refero Docs — Plans
    Official docs · doc.refero.design · Lists Free, Pro, Team, Lifetime; Free explicitly has no MCP/Skill/Figma-plugin access; Team min 3 seats, per-seat, SSO.
  28. 28. referodesign/refero_skill — official agent skill repo (README)
    Official MCP/API docs · github.com · Primary source for verbatim counts '150,000+ real app screens and 6,000+ user flows from Stripe, Linear, Notion, Figma'; MCP endpoint, Bearer auth, and Claude Code/Cursor/Gemini CLI setup; MIT license.
  29. 29. Refero Docs — MCP for Business
    Official MCP/API docs · doc.refero.design · Usage-based Business pricing: $0.001/request, $2,000 minimum (~2M requests), volume-scaled; sales contact mike@refero.design.
  30. 30. Refero Reviews on Product Hunt (4.9/5, 16 reviews)
    Product Hunt · producthunt.com · Richest source. Verified live: 4.9/5 across 16 written reviews. Recurring praise for real-product references, search/filters, time savings, and free no-registration access; recurring criticism about isolated screens vs grouped flows and update frequency. “Love the filter functionality the most”
  31. 31. Mobbin vs. Refero: Which is Better? — Toolfolio
    Third-party review · toolfolio.io · Cites Pro ~$8/mo annual, Team ~$10/seat/mo annual, free tier ~a few percent of library, 100,000+ screens, web+iOS; notes historically screen-focused (not flows).
  32. 32. Mobbin vs Alternatives (2026): Refero vs Page Flows — CoolCuration
    Third-party review · coolcuration.com · Notes v4.0 added 6,000 user flows + AI search, strong web-first SaaS/dashboard/AI-agent coverage, generous free browse index.
  33. 33. Refero MCP — official MCP landing page
    Official MCP/API docs · refero.design · First-party MCP entry point and setup; cited for endpoint and Pro-plan/tool-call claims (page is JS-rendered).
  34. 34. Refero — official homepage
    Official product page · refero.design · Confirms positioning as UI/UX design inspiration for web and iOS; JS-rendered, so deep content required docs/repo cross-checks.
  35. 35. Refero Docs — Billing
    Official docs · doc.refero.design · Stripe billing, per-seat proration; points to refero.design/pricing for exact prices (no dollar figures inline).
  36. 36. Refero Docs — LLM index (llms.txt)
    Official docs · doc.refero.design · Agent-readable doc index confirming the Free/Pro/Team/Lifetime plan set and MCP doc sections (Business, Data Model, Examples, Getting Started, Tools).
  37. 37. lorecraft-io/refero-design-mcp — community MCP
    Other · github.com · Unofficial community MCP wrapping styles.refero.design DESIGN.md library — evidence of third-party servers alongside the first-party one.
  38. 38. Pablooo.club comparison page for Refero
    Other · pablooo.club · BIASED: page belongs to a competing free tool. Frames Refero negatively on cost, a 'closed' library, and a limited free plan. Included for completeness but discounted for conflict of interest. “The free plan gives very limited access. You only see a few recent apps and flows, with heavy limits on search and downloads.”
  39. 39. 33% Refero Coupon (2026) + 3-Day Free Trial — AffiliateWeapons
    Directory listing · affiliateweapons.com · Affiliate source: 3-day no-card trial, 33% annual discount, ~$12 monthly figure, and taxonomy counts (45 categories, 36 flow types, 87 patterns, 69 components). Treat pricing as secondary.
  40. 40. Refero — Good Design Tools directory
    Directory listing · gooddesign.tools · Freemium; legacy counts (12,000 pages / 60,000 searchable screens) illustrating earlier library size.
  41. 41. Refero Design — Cledara marketplace
    Directory listing · cledara.com · Describes 'design research tool,' ~37,000 references / 12,000 tagged screens (older figures), web+iOS; average customer spend cited.
  42. 42. Refero Competitors & Alternatives — Product Hunt
    Product Hunt · producthunt.com · 4.9/5 across 16 reviews, ~1.6K followers; 'design research for humans and AI'; framed as reference board vs Mobbin's flow/video view.
  43. 43. Refero 2.0 launch thread (maker reply on screen grouping)
    Product Hunt · producthunt.com · Contains the most-cited complaint plus maker Mike Bespalov acknowledging it as 'valid' and describing grouping-by-site and a 'design history' feature in development. “When I'm filtering references, I get the list of separate screens...not grouped in whole user experiences”
  44. 44. Refero MCP/AI launch reviews
    Product Hunt · producthunt.com · Positive early feedback on AI/MCP pattern search and a 'reasonable for small/growing teams' pricing sentiment. “Pattern search feels grounded in real products...suggestions much closer to what I'd actually ship”
  45. 45. Refero on AlternativeTo
    Review site · alternativeto.net · Thin listing: tagged free with 27 alternatives (Supahero, UI.live, Layers, Mobbin, BentoGrids), light engagement, no substantive written user reviews. Shows it's compared against both paid and free options. “Explore real-world product designs. Get inspired by top examples of product design.”
  46. 46. Refero 'Show HN' launch (founder, May 2024)
    Hacker News · news.ycombinator.com · The ONLY Refero item on HN: the founder's own post, 5 points and ZERO comments — no community discussion either way. Evidence that forum signal is thin, not evidence of sentiment. “Every designer spends up to 6 hours a week looking at references on sites like Dribbble and Behance.”
  47. 47. midudev endorsement of Refero Styles / DESIGN.md
    X · x.com · Genuine amplification from a major dev influencer for the AI-agent DESIGN.md library. Quote is from a search snippet; direct X fetch was blocked, so re-confirm verbatim wording before public use. “¿Quieres que tu IA suba el nivel de sus diseños? Necesitas conocer este recurso de archivos DESIGN.md. +2000 disponibles.”
  48. 48. My Design System Toolbox benchmarking (Antoine Deshoux, Medium)
    Blog · antoinedeshoux.medium.com · Calls Refero 'a very good alternative' to Mobbin and praises a fairly complete free tier, while noting a complaint about lack of filters. “Newcomer in competition with mobbin... a very good alternative. The free version is quite complete.”