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Technology · head to head

Attio vs Keycloak

Attio logo

Attio

Technology

The CRM built for the next generation of companies

From
Free
Free plan
Yes
Full reviewWebsite
Keycloak logo

Keycloak

Developer Tools

Open-source identity and access management server.

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Attio the free plan stops at 3 seats and 50,000 records; Keycloak requires self-hosted deployment and operational expertise to install, configure and maintain
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Attio and Keycloak actually diverge.

Attributes where Attio and Keycloak differ
AttributeAttioKeycloak
Pricing modelfreemiumopen-source
PlatformsWeb, Ios, Android, ApiSelf-hosted, Docker, Kubernetes, Linux, Windows, API
CategoryTechnologyDeveloper Tools
Founded2021Unknown

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 Attio

  • Custom data model
  • Flexible views
  • Email integration
  • Calendar sync
  • Automations
  • Mobile app
  • Real-time collaboration
  • Templates

Only in Keycloak

Nothing recorded that Attio does not also cover.

What people use each for

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

Attio

  • Sales pipelinenot Keycloak
  • Customer managementnot Keycloak
  • Deal trackingnot Keycloak
  • Investor relationsnot Keycloak
  • Partnership managementnot Keycloak

Keycloak

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

Where each one falls short

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

Attio

  • The free plan stops at 3 seats and 50,000 records
  • Outbound email is capped at 200 messages a month on the free plan and 1,000 on Plus
  • Call Intelligence, sequences, advanced reporting and permission controls all require the Pro tier
  • Custom objects are capped at 3 on free, 5 on Plus and 12 on Pro, with unlimited objects reserved for Enterprise
  • File storage is capped at 50 GB on the free and Plus tiers

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

Pricing, plan by plan

Attio

Free
  • FreeFree
    • Up to 3 seats
    • 50000 records
    • 3 objects
  • Plus$44/month
    • Up to 10 seats
    • 250000 records
    • 5 objects
  • Pro$99/month
    • Unlimited seats
    • 1000000 records
    • 12 objects
  • EnterpriseFree
    • Custom pricing
    • Unlimited objects
    • Custom record limits

Keycloak

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

Which should you pick?

Choose Attio if

  • You need custom data model.
  • You want to start without paying.
  • You work on Web, Ios, Android, Api.
  • You also want flexible views.
Attio review

Choose Keycloak if

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

Questions people ask

Is Attio or Keycloak better?
Neither clearly leads. Attio starts at Free and Keycloak at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Attio or Keycloak?
Attio starts at Free and Keycloak at Free.
Does Attio or Keycloak run on more platforms?
Attio runs on Web, Ios, Android, Api. Keycloak runs on Self-hosted, Docker, Kubernetes, Linux, Windows, API.
Can I use Attio for free?
Both have a free tier, so you can try either at no cost before committing.
What is Attio best used for?
Attio is most often used for sales pipeline, customer management, deal tracking, investor relations. Of those, sales pipeline and customer management are not what Keycloak is typically brought in for.
What can Attio do that Keycloak cannot?
Attio covers Custom data model, Flexible views, Email integration, Calendar sync.

Answered from the vendors’ own pages

Attio: How much does Attio cost per user?

Attio's Plus plan is $44/user/month (or $35/month annually with 20% discount). Pro is $99/user/month (or $79/month annually). The Free plan includes up to 3 seats at no cost.

Source
Keycloak: What protocols does Keycloak support?

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

Source
Attio: What are Attio's seat and record limits for each plan?

Free plan includes up to 3 seats with 50,000 records. Plus supports up to 10 seats with 250,000 records. Pro offers unlimited seats with 1 million records. Enterprise has custom record limits.

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
Attio: Are there additional costs for Attio beyond the per-user subscription?

Yes, workspace credits are available as add-ons ($70-$475/month depending on volume). Annual billing provides a 20% discount on the base per-user cost.

Source
Keycloak: Is Keycloak free?

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

Source
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