CertAvert vs Casco

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 Casco
Detail	CertAvert	Casco
What it does	Free SSL/TLS certificate monitoring with email alerts	Autonomous security platform for vulnerability investigation and agent workflows
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Freemium	Contact for pricing
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.	Not given
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	Public CVE API with RSS and JSON feeds Dependency vulnerability checking for multiple package managers
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	Evidence-backed findings with reproducible, inspectable work Autonomous investigation reduces noise and focuses on actionable results Learns from false positives to prevent them recurring Integrates directly into agent workflows and existing tools Public CVE data API with no authentication required
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 +1 (up) since last check	42 +1 (up) since last check
Trust Flow (Majestic)	1	14
Citation Flow (Majestic)	24	37
Referring domains (Majestic)	14	250

5 details filled in for both companies.

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