Skip to content
Sign in Submit a tool

CertAvert vs SniffPup

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 SniffPup
DetailCertAvert logo CertAvertSniffPup logo SniffPup
What it doesFree SSL/TLS certificate monitoring with email alerts Security scanner that finds leaked API keys and exposed files in AI-built apps
StageNot given Not given
FoundedNot given Not given
Based inUS US
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. Free scan; Full Fix Report $9 one-time; Solo $7/month or $70/year; Starter $15/month or $150/year; Pro $29/month or $290/year; Ultimate $49/month or $490/year. Yearly plans include 2 months free.
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
  • Leaked API key detection in JavaScript and inline scripts
  • Public .env, .git and other sensitive file discovery
  • Security headers validation
  • Source map exposure detection
  • HTTPS certificate validation
  • Outdated JavaScript library detection
  • AI crawler visibility check
  • Database exposure testing for verified owners
  • AI rules file generation to prevent future issues
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
  • Passive, read-only scanning from outside—never logs in or uses found secrets
  • Designed specifically for AI-built apps from Lovable, Bolt, Cursor and other builders
  • Plain-English explanations and copy-paste fix prompts for your AI tool
  • Free scan with no signup required, results immediately
  • AI rules file turns findings into guardrails for your coding assistant
Community votes00
DR (Domain Rating by Ahrefs)3 +1 (up) since last check3 +1 (up) since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)240
Referring domains (Majestic)140

6 details filled in for both companies.

More alternatives to CertAvert More alternatives to SniffPup

Help centre