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CertObserver vs Doppler™

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 Doppler™
DetailCertObserverDoppler™
What it doesTLS certificate monitoring and inventory Secrets management for humans and AI agents
StageNot given Established
FoundedNot given 2018
Based inNot given Not given
Pricing modelNot given freemium
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. Doppler™ offers per-seat pricing with no additional charges for AI agents or non-human identities. The Developer plan is free for up to 3 users, then $8/month per additional user. The Team plan costs $21/month per user and includes advanced features. Enterprise plans have custom pricing.
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
  • Centralized secrets management across cloud and on-premises environments
  • Native AI integration with MCP server support
  • Automatic secret rotation and dynamic secrets
  • Comprehensive audit logging and compliance
  • Role-based access controls and fine-grained permissions
  • AES-256-GCM encryption for secrets at rest
  • SAML SSO and identity-based authentication
  • Real-time monitoring and alerts
  • Change request workflows for audit trails
  • Multi-environment configuration management
What makes it different
  • Monitors Certificate Transparency logs for new certificates on your domains
  • Validates TLS handshakes across multiple protocols
  • No per-agent pricing: deploy 10 agents or 1,000 without additional costs
  • Built with quantum-resistant encryption by design
  • Supports both cloud and on-premises deployment options
  • Enterprise Key Management with dynamic credential generation
  • 99.95% SLA with historical 99.99% annual uptime
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 check73 no change since last check
Trust Flow (Majestic)2532
Citation Flow (Majestic)2548
Referring domains (Majestic)925018

4 details filled in for both companies.

More alternatives to CertObserver More alternatives to Doppler™

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