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Robusty vs Curbi

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

Robusty compared with Curbi
DetailRobusty logo RobustyCurbi logo Curbi
What it doesStop testing your app by hand Check AI agent replies against configured rules and verify signed records
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree plan: $0/month with 20 test runs. Starter plan: $29/month with 300 test runs and 2 users. Team plan: $99/month with 1,000 test runs and unlimited users (overages billed at $0.12/run). Enterprise plan: Custom pricing with unlimited test runs and users. Free: local open-source checker, browser policy checks, six read-only MCP tools, regression export and offline verification. Managed Check API: $1 per 1,000 checked replies, USD, monthly usage billing through Stripe.
Key features
  • Plain-English test descriptions
  • Real browser test execution
  • No-code test creation
  • CI/CD pipeline integration
  • Multiple notification channels
  • Automatic UI adaptation
  • Cloud-based test execution
  • Browser step-by-step preview
  • Browser extension support
  • Private network testing
  • Check agent replies against configured pricing, forbidden phrases, and action records
  • Policy Check tool with browser interface for testing rules
  • Model Context Protocol endpoint for Claude, ChatGPT and other MCP clients
  • Offline verification with signed records and Merkle proofs
  • Repair Lab for reproducing and fixing integration failures
  • Managed Check API with pricing transparency
  • MIT-licensed open-source local checker
  • Framework connectors for LangChain and Vercel AI SDK
  • MCP Chaos proxy for testing agent behavior
What makes it different
  • AI adapts automatically to UI changes instead of breaking like traditional tests
  • Write tests in plain English with no coding required
  • No infrastructure to manage or maintain
  • Transparent usage-based pricing with no surprise costs
  • Setup and run first test in 5 minutes
  • Verifiable AI agent compliance without authorization or permission granting
  • Evidence and records portable across platforms and models
  • Transparent per-reply pricing with clear usage examples
  • Open-source core with portable verification
Community votes00
DR (Domain Rating by Ahrefs)6 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)100
Citation Flow (Majestic)310
Referring domains (Majestic)210

5 details filled in for both companies.

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