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Canary vs Seaworthy

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

Canary compared with Seaworthy
Detail CanarySeaworthy logo Seaworthy
What it doesAI writes your code. Canary tests it. Security checks for AI-built apps before launch
StageMVP Not given
FoundedNot given Not given
Based inUS GB
Pricing modelContact for pricing Freemium
PricingNot given Free: All checks, terminal and JSON output, exit codes for CI. Pro: £99/year or £12/month, includes HTML reports, scan history, comparison features, priority support, 2 machines. Agency: £349/year, includes white-label reports, scan multiple projects in one report, 10 machines.
Key features
  • Automatic test generation from code diffs
  • Sandbox app testing with real browsers and APIs
  • Reproduced failures with root causes
  • Automatic regression test creation
  • GitHub PR integration with inline comments
  • Testing at every development step
  • Support for multiple coding agents
  • Slack and Linear integration
  • Comprehensive test reports with evidence
  • CLI for local testing before commits
  • Detects leaked secrets including API keys, passwords, and LLM keys in browser code
  • Checks database and storage security including row-level security policies and open Firestore rules
  • Identifies API route and payment vulnerabilities including missing auth checks and unverified webhooks
  • Detects AI and agent security issues including system prompt injection and unsafe model output rendering
  • Scans dependencies for known vulnerabilities using OSV database
  • Runs entirely locally with code never leaving your machine
  • Works offline and integrates with CI pipelines using environment variables
  • Provides fix suggestions and AI-ready prompts for each finding
  • Supports multiple frameworks including Next.js, React, Vue, Svelte and platforms like Supabase, Firebase, Stripe
  • Generates shareable HTML reports and tracks scan history with Pro plan
What makes it different
  • Catches bugs in AI-generated code automatically before they reach production
  • Tests code in real browsers and APIs, not just unit tests
  • Automatically converts findings into lasting regression tests
  • Works directly inside coding agents with one-line integration
  • Provides proof with replays and root causes for every failure
  • Designed specifically for security gaps that AI coding tools create
  • Code never leaves your machine, with zero uploads required
  • Low false alarms through context-aware checking of actual code behavior
  • Free tier includes all core checks with no limitations
  • Source-available license with code readable on GitHub
Community votes00
DR (Domain Rating by Ahrefs)17 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)320
Referring domains (Majestic)1500

5 details filled in for both companies.

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