CertObserver vs HostedScan

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

CertObserver compared with HostedScan
Detail	CertObserver	HostedScan
What it does	TLS certificate monitoring and inventory	All-in-one cybersecurity platform with integrated vulnerability scanning
Stage	Not given	Established
Founded	Not given	2019
Based in	Not given	US
Pricing model	Not given	subscription
Pricing	Monthly subscription plans starting at $9/month for the Small plan, with Medium at $29/month, Large at $59/month, and Max at $99/month. All plans include email and Slack alerts.	Not given
Key features	Certificate inventory management Certificate Transparency log monitoring TLS endpoint monitoring Expiration alerts Email and Slack notifications Team collaboration with role-based access Optional alerts for certificate issues	Attack surface mapping and discovery Health score tracking Custom reporting and audit-ready reports Internal network scanning Authenticated scanning Scheduled scans and automation API and webhooks integration White-label reporting for MSPs
What makes it different	Monitors Certificate Transparency logs for new certificates on your domains Validates TLS handshakes across multiple protocols	Multiple integrated scanners in one platform instead of managing separate tools Self-funded and independent company without external investor pressure Fair usage-based billing model as part of mission Team includes former AWS engineers and security experts
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	50 no change since last check	62 no change since last check
Trust Flow (Majestic)	25	31
Citation Flow (Majestic)	25	41
Referring domains (Majestic)	92	495

3 details filled in for both companies.

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