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Cybersecurity · head to head

Ory Kratos vs Tuta

Ory Kratos logo

Ory Kratos

Cybersecurity

Headless identity and user management API

From
Free
Rated
-
Full reviewWebsite
Tuta logo

Tuta

Cybersecurity

Secure, green and ad-free. Email to feel good about.

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; Tuta individual plan pricing only shown in EUR; no USD conversion provided on site

Where they differ

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

Attributes where Ory Kratos and Tuta differ
AttributeOry KratosTuta
Pricing modelOpen-source self-hosted, with a paid managed networkfreemium
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb

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

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 Tuta

Nothing recorded that Ory Kratos does not also cover.

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

Tuta

  • Private encrypted email communicationnot Ory Kratos
  • Users valuing end-to-end encryption and zero-knowledge architecturenot Ory Kratos
  • Individuals seeking open-source email clientsnot Ory Kratos
  • Organizations requiring quantum-resistant encryptionnot 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

Tuta

  • Individual plan pricing only shown in EUR; no USD conversion provided on site
  • Family plan pricing separate (EUR 3 or EUR 8 per additional user) not included in main pricing
  • Shared mailboxes require additional EUR 3-8 monthly charges

Pricing, plan by plan

Ory Kratos

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

Tuta

Free
  • Free PlanFree
    • 1 GB storage
    • 1 calendar
    • 3 labels
  • Revolutionary Plan$3/month
    • 20 GB storage
    • 15 email aliases
    • 3 custom domains
  • Legend Plan$8/month
    • 500 GB storage
    • 30 email aliases
    • 10 custom domains

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 Tuta if

  • You want to start without paying.
Tuta review

Questions people ask

Is Ory Kratos or Tuta better?
Neither clearly leads. Ory Kratos starts at Free and Tuta at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ory Kratos or Tuta?
Ory Kratos starts at Free and Tuta at Free.
Does Ory Kratos or Tuta run on more platforms?
Ory Kratos runs on Linux, Docker, Kubernetes, Self-hosted. Tuta runs on Web.
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 Tuta is typically brought in for.
What can Ory Kratos do that Tuta cannot?
Ory Kratos covers Headless API, Self-service flows, Multi-factor authentication, Pluggable identity schemas.

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.

Tuta: How much does Tuta email cost?

Tuta offers a free plan with 1 GB storage. Paid plans are EUR 3/month (Revolutionary) with 20 GB storage and 15 email aliases, and EUR 8/month (Legend) with 500 GB storage and 30 email aliases. Family plan add-ons cost EUR 3-8 per additional mailbox member monthly.

Source
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.

Tuta: Is there a free email plan with Tuta?

Yes, Tuta's free plan includes 1 GB of storage, one calendar, three labels, and full end-to-end encryption security features with no custom domains or email aliases.

Source
Ory Kratos: Does Kratos do OAuth2?

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

Tuta: What are the limits on Tuta's free email plan?

The free plan provides 1 GB storage, access to one calendar, three labels maximum, and no support for custom domains or additional email aliases.

Source
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