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CertAvert vs Superagent

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

CertAvert compared with Superagent
DetailCertAvert logo CertAvert Superagent
What it doesFree SSL/TLS certificate monitoring with email alerts Make your software secure itself with autonomous security workers
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Freemium
PricingFree plan: 3 domains, no card needed. Starter: $50/year for 10 domains. Plus: $100/year for 20 domains. Pro: $150/year for 50 domains. Open source: free with unlimited usage. Private repositories: Free ($0), Starter ($499/month, 500 credits/month), Growth ($1,499/month, 2,000 credits/month), Scale (starts at $3,999/month, 6,000 credits/month). Annual plans include 20% more credits. Credits cost varies by security worker: PR Securit
Key features
  • Certificate expiry notifications at 30 days, 14 days, 7 days, and on expiry
  • Broken chain detection with fix guidance
  • TLS version and cipher checking
  • Domain DNS and registration monitoring
  • Certificate change history and alerts
  • Certificate report for audits
  • Certificate transparency log monitoring
  • No server access or installation required
  • PR Security to stop risky code and untrusted contributors before they merge
  • Secure Dependency Updates to turn vulnerable dependencies into tested, merge-ready pull requests
  • Red Team to find exploit paths attackers would use before they do
  • Agent Guardrails to let agents run without leaking secrets or breaking policy
  • Security-One 27B decision model for always-on security triage
  • Integration with existing tools and workflows without replacement
  • Self-learning loop that improves security over time
  • Protects applications, repositories, agents, and infrastructure
  • API and MCP access across all plans
  • Agent-to-agent remediation
What makes it different
  • Detects auto-renewal failures before visitors see them
  • Explains broken chains and TLS issues with fix guidance
  • Independent operation with no investors
  • Free for open source with unlimited usage across 3,000+ GitHub projects
  • Security workers that each own one security job end to end
  • Integrates seamlessly with existing tools without replacement needed
  • Self-learning system that improves with each run
  • Built by founders with 15+ years together and experience at Google, Klarna, and Trustly
Community votes00
DR (Domain Rating by Ahrefs)3 +1 (up) since last check64 no change since last check
Trust Flow (Majestic)19
Citation Flow (Majestic)2440
Referring domains (Majestic)14609

5 details filled in for both companies.

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