DigiCert ONE vs ManageEngine Key Manager Plus

DigiCert ONE9.3Visit ManageEngine Key Manager Plus8.9Visit

Higher score DigiCert ONE #2 in Certificate Management Software 9.3/10 Pricing on request ✓ 5 of 5 features Visit DigiCert ONE

vs

ManageEngine Key Manager Plus #4 in Certificate Management Software 8.9/10 Free plan · 30-day trial Free planFree trial✓ 5 of 5 features Visit ManageEngine

• DigiCert ONE fits best

  Large organizations needing full lifecycle control

• ManageEngine Key Manager Plus fits best

  Budget-conscious teams needing broad management

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Side by side

Feature	DigiCert ONE 9.3/10 Visit ↗	ManageEngine Key Manager Plus 8.9/10 Visit ↗
At a glance
Editor score	9.3	8.9
Ranking	#2 in Certificate Management Software	#4 in Certificate Management Software
Best for	Large organizations needing full lifecycle control	Budget-conscious teams needing broad management
Pricing model	Paid	Free plan + paid
Starting price	Pricing on request	—
Free plan	Not checked yet	✓ (best)
Free trial	—	30 days
Deployment	Cloud, Self-hosted	Cloud, Self-hosted
Platforms	Web	Web, Windows, Linux
Support	Email, Live chat, Phone, Docs · 24/7	Email, Phone, Community, Docs
Integrations	12 integrations	11 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features DigiCert ONE 5/5 · ManageEngine Key Manager Plus 5/5
Certificate discovery	✓	✓
Automatic renewal	✓	✓
Deployment automation	✓	✓
Revocation workflows	✓	✓
CA integrations	✓	✓
Specs
Certificate types	Tls	Tls
Our review
Pros	Discovers and inventories certificates across networks, cloud, servers, and containers Automates renewal, installation, delivery, and revocation workflows Connects with major public and private certificate authorities and cloud platforms	Discovers certificates across servers, domains, cloud environments, and certificate stores Automates renewal alerts, deployment, post-deployment actions, and revocation Connects with major certificate authorities, cloud platforms, and ITSM tools
Cons	Pricing requires contacting sales or signing in for plan comparison Its broad trust-management scope may exceed narrow TLS requirements Lifecycle governance can be more than smaller teams need	The free edition is limited to five keys Multiple licensing structures make price comparison less direct Does not include AI features
Our verdict	DigiCert ONE is a digital trust platform that brings together PKI, DNS, certificate lifecycle management, and related trust workflows. Its certificate capabilities cover discovery, inventory, issuance, renewal, deployment, revocation, and… Read the review →	ManageEngine Key Manager Plus is a certificate lifecycle management product for IT teams overseeing SSL/TLS certificates across enterprise environments. It discovers certificates across servers, domains, load balancers, mail servers,… Read the review →

Strengths and trade-offs

• DigiCert ONE — where it wins

  • Discovers and inventories certificates across networks, cloud, servers, and containers
  • Automates renewal, installation, delivery, and revocation workflows
  • Connects with major public and private certificate authorities and cloud platforms

  Where it doesn't

  • Pricing requires contacting sales or signing in for plan comparison
  • Its broad trust-management scope may exceed narrow TLS requirements
  • Lifecycle governance can be more than smaller teams need

• ManageEngine Key Manager Plus — where it wins

  • Discovers certificates across servers, domains, cloud environments, and certificate stores
  • Automates renewal alerts, deployment, post-deployment actions, and revocation
  • Connects with major certificate authorities, cloud platforms, and ITSM tools

  Where it doesn't

  • The free edition is limited to five keys
  • Multiple licensing structures make price comparison less direct
  • Does not include AI features

• DigiCert ONE9.3/10 · Pricing on request

  Full certificate lifecycle control for large organizations managing diverse trust environments.

  Visit DigiCert ONEFull verdict →
• ManageEngine Key Manager Plus8.9/10 · Free plan · 30-day trial

  Broad certificate discovery and automation with flexible licensing and a five-key free edition.

  Visit ManageEngineFull verdict →