CertAvert vs IPScanner

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 IPScanner
Detail	CertAvert	IPScanner
What it does	Free SSL/TLS certificate monitoring with email alerts	Block bots, AI crawlers and VPNs before they reach your site
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Freemium	Freemium
Pricing	Free 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 plan: 10,000 site checks per month in monitor mode only, with public lookup tools and 7-day traffic history. Pay as you go: 25,000 free credits to start, 1 credit per site visitor check, 10 credits per direct lookup, IP geolocation and ASN lookups free. Top-up packs: $5 (25,000 credits), $20 (1
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	VPN and proxy detection with confidence scores AI agent identification separate from human users IP geolocation with country, region and city data Autonomous System Number (ASN) lookup WHOIS registration and ownership lookup Tor exit node detection Real-time traffic monitoring dashboard Integration with Cloudflare Workers, WordPress, Traefik, Caddy and nginx Email validation including throwaway and typo detection
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	Responds in 50 to 100 ms for real-time edge blocking without slowing pages Single engine, three product readings: IP Detection, Agentscan, and Provenance from one data source Pay only for what you use with prepaid credits, no monthly subscription Free plan with monitor mode and 10,000 monthly checks without payment method Ready-made integrations for edge platforms and popular frameworks
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 +1 (up) since last check	10 +3 (up) since last check
Trust Flow (Majestic)	1	4
Citation Flow (Majestic)	24	26
Referring domains (Majestic)	14	16

6 details filled in for both companies.

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