Structa vs Spider Cloud

Side-by-side comparison of features, pricing, and ratings

Analysis reviewed Live tool data as of 2026-09-30
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At a glance

DimensionStructaSpider Cloud
Core FunctionAI database schema designer with visual ER diagramsWeb crawling & scraping API for AI agents
Best ForFull-stack devs prototyping database schemasDevelopers building AI/LLM pipelines needing web data
IntegrationsSupabaseLangChain, LlamaIndex, CrewAI, Google Cloud Storage, Amazon S3, Supabase
Unique StrengthNatural language → SQL/Prisma/TypeScript + visual ER diagram editorRust engine with 99.9% success rate, AI extraction, stealth anti-detection
Latest NewsNov 2026 launch; now featured in free schema generator comparisonsBrowser AI commands (Act, Extract, Observe); scraper catalog with 1000+ examples

Choose Structa if you need to quickly design a database schema from plain English and want a visual ER diagram tool; it's ideal for prototyping. Choose Spider Cloud if you need to scrape or crawl the web at scale for AI agents or RAG pipelines, with high reliability and low cost.

Try StructaTry Spider Cloud
Structa
Structa

AI database schema generator that turns plain English into validated SQL, Prisma schemas, and ER diagrams.

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Spider Cloud
Spider Cloud

Spider Cloud is a web scraping API that renders, crawls, and searches the web for agents and RAG pipelines.

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Pricing
Freemium
Freemium
Plans
$0/mo
$4.99/week
$19/mo
$299 one-time
$25/seat/month
$1/GB + $0.0001/CPU-min
from $6/mo
from $40/mo
Popularity
3 views
7.5k views
Skill Level
Intermediate
Intermediate
API Available
Platforms
Web
WebAPIPluginCLIDesktop
Categories
💻 Code & Development⚙️ Developer Infrastructure
🌐 Web Scraping & Search APIs🖱️ Browser & Computer-Use Agents
Features
Natural language to SQL and Prisma schema generation
Visual ER diagram editor with drag-and-drop table and field editing
Validation warnings for constraints, indexes, and relationships
Export to SQL, Prisma schemas, migration files, and ER diagrams
One-click deploy to Supabase with smart migrations
AI Fix to repair schema errors without full regeneration
Iterate on schemas visually without re-prompting
Supports PostgreSQL, MySQL, and other database types
Shareable ER diagram links
Premium AI model on paid plans
50 saved schemas on Weekly, 200 on Pro and Lifetime
Unlimited SQL exports on paid plans
Team workspace with role management and owner billing
AI SQL Generator workflow (plain English to SQL)
Prisma Schema Generator workflow
Scrape a single page into markdown, JSON, HTML, raw text, or plain text
Crawl entire sites with pages streaming back in order as JSONL as each finishes
Web search endpoint returns SERP results, scraped pages, and AI extraction in one call
Custom browser renders pages like a user: scripts run, lazy images load, infinite scroll completes
Unblocker handles bot walls, CAPTCHAs, and geo checks with stealth and automatic retries
Browser Cloud runs full browser sessions with anti-detection and CAPTCHA solving on by default
Send AI commands (Act, Extract, Observe) over the Browser API WebSocket mid-session
Send a prompt with a request and get back the named fields as JSON
Provider router object in scrape and crawl bodies routes requests to outside providers on your own keys
Proxy network with 215M+ residential and ISP exits across 199 countries, rotated per request
MCP server at mcp.spider.cloud for Claude Code, Codex, Cursor, and Claude Desktop
spider-agent CLI and SKILL.md let a coding agent self-onboard against the entire API
1,000+ ready-made scraper examples across 32 categories, each with working code
10,000 core API requests per minute per account by default
Return formats include JSON, JSONL, CSV, and XML on top of multiple markdown variants
Integrations
Supabase
LangChain
LlamaIndex
CrewAI
FlowiseAI
Langflow
Dify
Agno
Zapier
Pipedream
Claude Code
Codex
Cursor
Windsurf
Claude Desktop

What real users say: Structa vs Spider Cloud

Not marketing copy and not our opinion — a structured sweep of public discussion (reviews, forums, communities and video comments), showing what people praise and what they complain about for each tool.

Structa

28 mentions across 4 sources · 35% positive — critical (averaged across 4 sources)

Hacker News, YouTube, Bluesky, Lemmy

What users praise

  • • Generates schemas from plain English with visual ER diagram.
  • • Drag-and-drop editor for easy schema iteration.
  • • Validation warnings catch common schema errors early.
  • • Exports to SQL, Prisma, TypeScript, and migration files.

What frustrates them

  • • Very few community reviews or real-world bug reports.
  • • Free tier only allows 3 schemas and 1 export.
  • • Only integrates with Supabase, limiting workflow options.
  • • No mobile app or offline functionality.

Researched Jul 27, 2026

Spider Cloud

No verifiable community signal. We scanned public discussion on Sep 29, 2026 and found posts matching the name “Spider Cloud”, but could not establish that they are about this product rather than something else sharing its name. Rather than publish a score built on the wrong subject, we publish none.

Who should pick which

  • Solo founder prototyping a SaaS backend
    Pick: Structa

    Quickly generate a production-ready database schema from a text description, export to Prisma/SQL, and deploy to Supabase in minutes.

  • AI agent developer needing real-time web data
    Pick: Spider Cloud

    Spider Cloud's Rust engine provides fast, reliable scraping with structured output and LLM integration (LangChain, LlamaIndex) ideal for RAG pipelines.

  • Data scientist building a domain-specific dataset
    Pick: Spider Cloud

    Use the scraper catalog (1,000+ examples) and AI extraction to collect structured data at scale with minimal effort.

  • Team collaborating on database design
    Pick: Structa

    Structa's team workspace and role management allow multiple developers to iteratively design schemas with visual ER diagrams and shared assets.

  • Startup migrating from ChatGPT to a dedicated schema tool
    Pick: Structa

    Structa eliminates the need to re-prompt ChatGPT for schema design iterations, offering a purpose-built editor with AI validation and direct Supabase deployment.

Frequently Asked Questions

Structa vs Spider Cloud: which should you choose?

Choose Structa if you need to quickly design a database schema from plain English and want a visual ER diagram tool; it's ideal for prototyping. Choose Spider Cloud if you need to scrape or crawl the web at scale for AI agents or RAG pipelines, with high reliability and low cost.

Can Structa export to something other than SQL?

Yes, Structa exports to Prisma schemas, TypeScript types, migration files, and ER diagrams.

Does Spider Cloud offer a free tier?

Spider Cloud has a pay-as-you-go model with no free tier, but failed requests are not billed and the first request is free (minimum $0.01).

Which tool integrates with Supabase?

Both do — Structa offers one-click deploy to Supabase; Spider Cloud has a Supabase data connector.

Is Structa suitable for enterprise teams?

Structa has a team workspace on Pro and Lifetime plans, but no API or advanced custom integrations yet.

Does Spider Cloud support LLM frameworks?

Yes, it integrates with LangChain, LlamaIndex, CrewAI, FlowiseAI, AutoGen, Agno, and Dify.

What is Spider Cloud's uptime guarantee?

Spider Cloud advertises a 99.9% success rate.

Can I self-host Spider Cloud?

Yes, its core is open-source on GitHub.

Does Structa support MySQL?

Yes, Structa supports PostgreSQL, MySQL, and other database types.

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Explore each tool further

Structa
View Structa reviewStructa alternatives
Spider Cloud
View Spider Cloud reviewSpider Cloud alternatives

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Best AI Code & Development toolsBest AI Web Scraping & Search APIs toolsBest AI Developer Infrastructure toolsBest AI Browser & Computer-Use Agents tools
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Last reviewed: July 3, 2026