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Technology · head to head

Auth0 vs Zeplin

Auth0 logo

Auth0

Technology

Secure access for everyone

From
Free
Rated
-
Full reviewWebsite
Zeplin logo

Zeplin

Design

Design handoff and developer collaboration

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Auth0 free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that; Zeplin the free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • They diverge on capability: Auth0 covers Universal login, Zeplin covers Design specs.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Auth0 and Zeplin actually diverge.

Attributes where Auth0 and Zeplin differ
AttributeAuth0Zeplin
Pricing modelUnknownsubscription
PlatformsWeb, iOS, AndroidWeb, Desktop, Mobile
CategoryTechnologyDesign
Founded20132014

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 Auth0

  • Universal login
  • Social login
  • Multi-factor authentication
  • Passwordless
  • User management
  • Anomaly detection
  • Extensibility
  • Machine to machine

Only in Zeplin

  • Design specs
  • Asset export
  • Code snippets
  • Design tokens
  • Comments
  • Version control
  • Handoff workflow
  • Accessibility checks

Both cover

  • Slack
  • SOC2
  • GDPR

What people use each for

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

Auth0

  • B2C authenticationnot Zeplin
  • B2B authenticationnot Zeplin
  • B2E authenticationnot Zeplin
  • API securitynot Zeplin
  • Mobile app securitynot Zeplin

Zeplin

  • Handing off design specs from Figma or Sketch to developersnot Auth0
  • Sharing screens, assets and style guides with an engineering teamnot Auth0
  • Reviewing and commenting on design versionsnot Auth0

Where each one falls short

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

Auth0

  • Free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that
  • Advanced features like MFA and RBAC only available on paid Essentials tier and above
  • Ownership by Okta introduces risk that independent product roadmap may change

Zeplin

  • The free plan is limited to 1 project and 100 screens and works only in a personal workspace
  • Free plan AI reviews are capped at 3 per week
  • Role based permissions require the Advanced plan or higher
  • Single sign on, multi factor authentication, activity logs and invoiced billing are Enterprise only
  • Priority 24 hour support is Enterprise only
  • Basic plan caps screens at 1,000 per project and is priced per project rather than per seat
  • Enterprise pricing is by quote with no published rate

Pricing, plan by plan

Auth0

Free
  • FreeFree
    • Up to 25,000 monthly active users
    • Basic authentication
    • Email/password login
  • Essentials (B2C)$35/month
    • Unlimited MAUs beyond free tier
    • Multi-Factor Authentication
    • Role-Based Access Control
  • Professional (B2C)$240/month
    • All Essentials features
    • Advanced security
    • Custom branding

Zeplin

Free
  • FreeFree
    • 1 project
    • 1 workspace
    • Basic specs
  • Starter$19/month
    • Unlimited projects
    • Multiple workspaces
    • Advanced specs
  • Professional$49/month
    • Everything in Starter
    • Team collaboration
    • Admin controls

Which should you pick?

Choose Auth0 if

  • You need universal login.
  • You want to start without paying.
  • You work on Web, iOS, Android.
  • You also want social login.
Auth0 review

Choose Zeplin if

  • You need design specs.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want asset export.
Zeplin review

Questions people ask

Is Auth0 or Zeplin better?
Neither clearly leads. Auth0 starts at Free and Zeplin at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Auth0 or Zeplin?
Auth0 starts at Free and Zeplin at Free.
Does Auth0 or Zeplin run on more platforms?
Auth0 runs on Web, iOS, Android. Zeplin runs on Web, Desktop, Mobile.
Can I use Auth0 for free?
Both have a free tier, so you can try either at no cost before committing.
What is Auth0 best used for?
Auth0 is most often used for b2c authentication, b2b authentication, b2e authentication, api security. Of those, b2c authentication and b2b authentication are not what Zeplin is typically brought in for.
What can Auth0 do that Zeplin cannot?
Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. Zeplin covers Design specs, Asset export, Code snippets, Design tokens. Both handle Slack, SOC2, GDPR.

Answered from the vendors’ own pages

Auth0: How much does Auth0 cost?

Auth0 has a Free tier for up to 25,000 monthly active users (MAUs). Paid plans start at $35/month (Essentials B2C) and scale to $240/month (Professional B2C) and higher for Enterprise. Pricing scales with MAU usage.

Source
Zeplin: How much does Zeplin Advanced cost?

Advanced costs $12 per seat per month when paid annually, with annual subscriptions offering 2 months off versus monthly rates.

Source
Auth0: Does Auth0 include Multi-Factor Authentication?

No. MFA, RBAC (Role-Based Access Control), and premium support are not included in the free tier and require upgrading to paid Essentials plans or higher.

Source
Zeplin: What's the difference between Free and Basic plans?

Free covers 1 project with 100 screens and 30-day version history. Basic offers 1-12 projects with practically unlimited screens per project and 1-year version history.

Source
Auth0: Is Auth0 independent or part of a larger company?

Auth0 was acquired by Okta in May 2021 for $6.5 billion. It now operates as a subsidiary business unit within Okta, but maintains its own brand and operations.

Source
Zeplin: Can I add unlimited team members?

Yes, Free and Basic plans allow unlimited team members. Advanced/Enterprise assign roles with Reviewers being free and unlimited.

Source
Auth0: Who should use Auth0 vs Okta?

Auth0 is developer-focused and serves customer identity use cases (B2C). Okta serves workforce identity (B2B) and has broader enterprise features. Auth0 now serves both markets post-acquisition but maintains its developer-friendly positioning.

Source
Zeplin: What can Reviewers do?

Reviewers can view designs and documentation and approve requests, but lack access to developer specs.

Source
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