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CertObserver vs CertKit

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 CertKit
DetailCertObserverCertKit
What it doesTLS certificate monitoring and inventory SSL/TLS Certificate Lifecycle Management from CertKit
StageNot given Established
FoundedNot given 2012
Based inNot given Not given
Pricing modelNot given Not given
PricingMonthly 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. Free Homelab plan for personal non-commercial use. Professional at $99/mo, Business at $399/mo, Enterprise with custom pricing. All paid plans include 90-day free trial, no credit card required.
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
  • Certificate discovery from Certificate Transparency logs
  • Automated certificate issuance and renewal
  • Automatic certificate deployment to servers and appliances
  • Real-time certificate monitoring and expiration alerts
  • Managed PKI and private certificate authority
  • Support for any ACME-compatible certificate authority
  • Certificate Transparency log monitoring
  • CertKit Keystore for on-premise key storage
What makes it different
  • Monitors Certificate Transparency logs for new certificates on your domains
  • Validates TLS handshakes across multiple protocols
  • Centralized certificate management from one account instead of per-server ACME clients
  • One-time CNAME setup with no DNS API credentials required
  • No ACME credentials or open ports needed on servers
  • Handles appliances and devices that cannot run ACME
  • Direct engineering access included with all paid plans
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)50 no change since last check55 no change since last check
Trust Flow (Majestic)2539
Citation Flow (Majestic)2543
Referring domains (Majestic)92316

4 details filled in for both companies.

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