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Cybersecurity · head to head

Ory Kratos vs Parse Server

Ory Kratos logo

Ory Kratos

Cybersecurity

Headless identity and user management API

From
Free
Rated
-
Full reviewWebsite
Parse Server logo

Parse Server

APIs

Open-source Backend as a Service platform with REST and GraphQL APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Ory Kratos headless means you build every screen, which is significant work compared with a hosted login page; Parse Server deployment complexity and scaling challenges require operational expertise
  • They diverge on capability: Ory Kratos covers Headless API, Parse Server covers REST API.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Ory Kratos and Parse Server actually diverge.

Attributes where Ory Kratos and Parse Server differ
AttributeOry KratosParse Server
Pricing modelOpen-source self-hosted, with a paid managed networkopen-source
PlatformsLinux, Docker, Kubernetes, Self-hostedNode.js, Express, REST API, GraphQL API
CategoryCybersecurityAPIs
FoundedUnknown2011

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 Ory Kratos

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

Only in Parse Server

  • REST API
  • GraphQL API
  • Authentication
  • Node.js
  • Cloud functions
  • File storage
  • Webhooks
  • Node.js support

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 Parse Server
  • Applications that must not hand user identity data to a third partynot Parse Server
  • Teams building identity as infrastructure across several servicesnot Parse Server

Parse Server

  • API Developmentnot Ory Kratos
  • API Gatewaynot Ory Kratos
  • API Testingnot Ory Kratos
  • API Documentationnot Ory Kratos
  • Microservicesnot 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

Parse Server

  • Deployment complexity and scaling challenges require operational expertise
  • Requires database management skills for MongoDB or PostgreSQL administration
  • Smaller community and ecosystem compared to Firebase or cloud alternatives
  • Query depth bypass vulnerability allowing denial-of-service attacks via complex REST/GraphQL queries
  • Stored XSS vulnerability through SVG file uploads requires patching

Pricing, plan by plan

Ory Kratos

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

Parse Server

Free
  • Open SourceFree
    • Self-hosted Parse Server
    • Community support

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 Parse Server if

  • You need rest api.
  • You want to start without paying.
  • You work on Node.js, Express, REST API, GraphQL API.
  • You also want graphql api.
Parse Server review

Questions people ask

Is Ory Kratos or Parse Server better?
Neither clearly leads. Ory Kratos starts at Free and Parse Server at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ory Kratos or Parse Server?
Ory Kratos starts at Free and Parse Server at Free.
Does Ory Kratos or Parse Server run on more platforms?
Ory Kratos runs on Linux, Docker, Kubernetes, Self-hosted. Parse Server runs on Node.js, Express, REST API, GraphQL API.
Can I use Ory Kratos for free?
Both have a free tier, so you can try either at no cost before committing.
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 Parse Server is typically brought in for.
What can Ory Kratos do that Parse Server cannot?
Ory Kratos covers Headless API, Self-service flows, Multi-factor authentication, Pluggable identity schemas. Parse Server covers REST API, GraphQL API, Authentication, Node.js.

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.

Parse Server: Is Parse Server self-hosted or cloud-managed?

Parse Server is entirely self-hosted and open-source, running on your own infrastructure with no monthly subscription required; you manage the MongoDB or PostgreSQL database and deployment.

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.

Parse Server: What databases does Parse Server support?

Parse Server works with MongoDB and PostgreSQL as data stores, giving you flexibility to choose your preferred database system for your application.

Ory Kratos: Does Kratos do OAuth2?

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

Parse Server: What APIs does Parse Server provide?

Parse Server automatically generates both REST and GraphQL APIs based on your application schema, and you can extend these with custom queries, mutations, and remote schemas.

Source
Parse Server: What SDKs are available for Parse Server?

Parse provides native SDKs for iOS (Swift/Objective-C), Android, JavaScript/Node.js, PHP, and .NET, plus REST and GraphQL access for any other platform.

Source
Parse Server: Does Parse Server include user authentication?

Yes. Parse Server includes out-of-the-box user management with support for email/password authentication, OAuth providers (Facebook, Twitter, Google, GitHub, LDAP), push notifications, and campaigns.

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