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Developer Tools · head to head

Keycloak vs Pendo

Keycloak logo

Keycloak

Developer Tools

Open-source identity and access management server.

From
Free
Free plan
Yes
Full reviewWebsite
Pendo logo

Pendo

Technology

Product analytics and digital adoption platform

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Keycloak requires self-hosted deployment and operational expertise to install, configure and maintain; Pendo pricing is not publicly available and requires a custom quote
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Keycloak and Pendo actually diverge.

Attributes where Keycloak and Pendo differ
AttributeKeycloakPendo
Pricing modelopen-sourceUnknown
PlatformsSelf-hosted, Docker, Kubernetes, Linux, Windows, APIWeb, Mobile, Desktop
CategoryDeveloper ToolsTechnology
FoundedUnknown2013

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Keycloak

Nothing recorded that Pendo does not also cover.

Only in Pendo

  • Product analytics
  • In-app messaging
  • User onboarding
  • Feature adoption tracking
  • User feedback
  • NPS surveys
  • Session replay
  • Mobile analytics

What people use each for

The jobs each tool is most often brought in to do.

Keycloak

  • Organisations requiring self-hosted identity infrastructure for compliance or data residencynot Pendo
  • Companies with existing LDAP/Active Directory systems needing federated authenticationnot Pendo
  • Open-source projects and communities requiring free IAM without licensing costsnot Pendo
  • Enterprises building custom identity workflows requiring fine-grained authorisationnot Pendo
  • Teams with sufficient operational expertise to manage infrastructurenot Pendo

Pendo

  • User onboardingnot Keycloak
  • Feature adoptionnot Keycloak
  • Product analyticsnot Keycloak
  • User feedback collectionnot Keycloak
  • Digital adoptionnot Keycloak

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Keycloak

  • Requires self-hosted deployment and operational expertise to install, configure and maintain
  • No managed cloud option provided by Red Hat; organisations must operate infrastructure themselves or use third-party distributions
  • Clustering and high-availability configurations require additional operational knowledge
  • Community support only; commercial support requires third-party vendors or distributions

Pendo

  • Pricing is not publicly available and requires a custom quote
  • Free tier limited to 500 monthly active users

Pricing, plan by plan

Keycloak

Free
  • Open-sourceFree
    • Full platform functionality
    • Self-hosted deployment
    • Community support

Pendo

Free
  • FreeFree
    • 500 MAU
    • Core analytics
    • In-app guides

Which should you pick?

Choose Keycloak if

  • You want to start without paying.
  • You work on Self-hosted, Docker, Kubernetes, Linux, Windows, API.
Keycloak review

Choose Pendo if

  • You need product analytics.
  • You want to start without paying.
  • You work on Web, Mobile, Desktop.
  • You also want in-app messaging.
Pendo review

Questions people ask

Is Keycloak or Pendo better?
Neither clearly leads. Keycloak starts at Free and Pendo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Keycloak or Pendo?
Keycloak starts at Free and Pendo at Free.
Does Keycloak or Pendo run on more platforms?
Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API. Pendo runs on Web, Mobile, Desktop.
Can I use Keycloak for free?
Both have a free tier, so you can try either at no cost before committing.
What is Keycloak best used for?
Keycloak is most often used for organisations requiring self-hosted identity infrastructure for compliance or data residency, companies with existing ldap/active directory systems needing federated authentication, open-source projects and communities requiring free iam without licensing costs, enterprises building custom identity workflows requiring fine-grained authorisation. Of those, organisations requiring self-hosted identity infrastructure for compliance or data residency and companies with existing ldap/active directory systems needing federated authentication are not what Pendo is typically brought in for.
What can Keycloak do that Pendo cannot?
Pendo covers Product analytics, In-app messaging, User onboarding, Feature adoption tracking.

Answered from the vendors’ own pages

Keycloak: What protocols does Keycloak support?

Keycloak supports OpenID Connect, OAuth 2.0 and SAML 2.0 protocols for authentication and authorisation.

Source
Pendo: Does Pendo have a free tier?

Yes, Pendo Free supports up to 500 monthly active users and includes core product analytics, in-app guides, Pendo-branded roadmaps, and Pendo-branded NPS surveys.

Source
Keycloak: Can Keycloak integrate with existing user directories?

Yes. Keycloak supports user federation with LDAP and Active Directory systems, allowing organisations to leverage existing user directories.

Source
Pendo: What is Pendo's core functionality?

Pendo combines product analytics, in-app guides, session replay, NPS surveys, product discovery, roadmaps, and cross-channel orchestration to measure and improve product adoption.

Source
Keycloak: Is Keycloak free?

Yes. Keycloak is fully open-source and free to deploy and use. No licensing fees are required.

Source
Pendo: What CRM systems does Pendo integrate with?

Pendo offers two-way integrations with Salesforce, mapping Pendo product usage and sentiment data with Salesforce records, and with HubSpot for contact mapping and campaign orchestration.

Source
Pendo: What impact does Pendo have on customer retention?

Companies using Pendo for product analytics see on average a 5% reduction in customer churn and report an average 15% increase in net revenue retention.

Source
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