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Cybersecurity · head to head

Ory Kratos vs Zencity

Ory Kratos logo

Ory Kratos

Cybersecurity

Headless identity and user management API

From
Free
Free plan
Yes
Full reviewWebsite
Zencity logo

Zencity

Government

Resident sentiment analysis combining organic social listening with representative surveys

From
On request
Free plan
No
Full reviewWebsite

The short version

  • Only Ory Kratos has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ory Kratos headless means you build every screen, which is significant work compared with a hosted login page; Zencity social listening is structurally biased toward residents who post, so a city using the listening product without the survey product will consistently mistake volume for consensus.
  • They diverge on capability: Ory Kratos covers Headless API, Zencity covers Organic social listening.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Ory Kratos and Zencity actually diverge.

Attributes where Ory Kratos and Zencity differ
AttributeOry KratosZencity
Starting priceFreeOn request
Pricing modelOpen-source self-hosted, with a paid managed networkquote
Free tierYesNo
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb
CategoryCybersecurityGovernment

Identical on both: 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 Ory Kratos

  • Headless API
  • Self-service flows
  • Multi-factor authentication
  • Pluggable identity schemas

Only in Zencity

  • Organic social listening
  • Representative surveys
  • Community trust surveys
  • Topic and sentiment analysis
  • Service request integration
  • Leadership reporting

What people use each for

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

Ory Kratos

  • Products needing complete control over the look and flow of authenticationnot Zencity
  • Applications that must not hand user identity data to a third partynot Zencity
  • Teams building identity as infrastructure across several servicesnot Zencity

Zencity

  • A city manager deciding whether a social media outcry reflects a representative viewnot Ory Kratos
  • A police department measuring community trust with a sampled instrument rather than complaint volumenot Ory Kratos
  • A communications team wanting early warning on a service issue before it reaches councilnot Ory Kratos
  • A council needing resident input on a policy without running its own survey operationnot Ory Kratos

Where each one falls short

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

Ory Kratos

  • Headless means you build every screen, which is significant work compared with a hosted login page
  • More moving parts than a monolithic IAM: Kratos handles identity, and OAuth2 needs Ory Hydra alongside
  • Documentation assumes real familiarity with identity concepts and is not a gentle introduction
  • Self-hosting identity carries the security and availability burden that hosted providers absorb

Zencity

  • Social listening is structurally biased toward residents who post, so a city using the listening product without the survey product will consistently mistake volume for consensus.
  • Government analysis of residents' public speech, particularly by police departments, has drawn civil liberties criticism and records request scrutiny in United States cities, and agencies need a public answer ready before signing.
  • Sentiment classification of local slang, sarcasm and non English posts is imperfect, and a misclassified theme presented in a leadership briefing can be acted on before anyone checks the underlying posts.
  • Survey sample sizes at neighbourhood level are often small, so the district level breakdowns that councils most want are the least reliable numbers in the report.
  • It reports on opinion without connecting to service delivery systems, so acting on a finding remains a separate manual process in whatever operational software the agency runs.

Pricing, plan by plan

Ory Kratos

Free
  • Self-hostedFree
    • Full identity server
    • All flows
    • Community support

Zencity

On request
  • Zencity$undefined/year
    • Quoted annually by population served and module scope
    • Survey programmes priced separately from the listening platform
    • Police community trust surveying sold as its own line

Which should you pick?

Choose Ory Kratos if

  • You need headless api.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want self-service flows.
Ory Kratos review

Choose Zencity if

  • You need organic social listening.
  • You also want representative surveys.
Zencity review

Questions people ask

Is Ory Kratos or Zencity better?
Neither clearly leads. Ory Kratos starts at Free and Zencity at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ory Kratos or Zencity?
Ory Kratos has a free tier; the other does not. Paid plans start at Free for Ory Kratos and On request for Zencity.
Does Ory Kratos or Zencity run on more platforms?
Ory Kratos runs on Linux, Docker, Kubernetes, Self-hosted. Zencity runs on Web.
Can I use Ory Kratos for free?
Yes. Ory Kratos has a free tier, so you can try it without paying. Zencity starts at On request.
What is Ory Kratos best used for?
Ory Kratos is most often used for products needing complete control over the look and flow of authentication, applications that must not hand user identity data to a third party, teams building identity as infrastructure across several services. Of those, products needing complete control over the look and flow of authentication and applications that must not hand user identity data to a third party are not what Zencity is typically brought in for.
What can Ory Kratos do that Zencity cannot?
Ory Kratos covers Headless API, Self-service flows, Multi-factor authentication, Pluggable identity schemas. Zencity covers Organic social listening, Representative surveys, Community trust surveys, Topic and sentiment analysis.

Answered from the vendors’ own pages

Ory Kratos: Is Ory Kratos free?

Yes, open source and free to self-host. Ory Network is a paid managed service.

Zencity: Is this surveillance of residents?

It analyses publicly posted content and aggregated survey responses rather than private accounts, but the distinction has been contested publicly, especially for police use. Prepare an explanation before procurement.

Ory Kratos: What does headless mean here?

Kratos provides identity flows as APIs and no user interface. You build the login, registration and recovery screens yourself.

Zencity: Why pair listening with surveys?

Because the people who post are not representative of the people who live there. The gap between the two datasets is often the most useful output.

Ory Kratos: Does Kratos do OAuth2?

No. Kratos handles user identity; OAuth2 and OpenID Connect provider functionality is Ory Hydra, a separate component.

Zencity: What did Zencity acquire?

Elucd, in 2021, which brought community trust survey methodology used with police departments.

Zencity: Can residents find out what our city bought?

Yes. These are public contracts and several have been obtained and published through records requests.

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