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Cybersecurity · head to head

Auth0 vs OpenCities

Auth0 logo

Auth0

Cybersecurity

Secure access for everyone

From
Free
Free plan
Yes
Visit Auth0Full review
OpenCities logo

OpenCities

Government

Digital Government Experience Platform

From
$500/month
Free plan
No
Visit OpenCitiesFull review

The short version

  • Auth0 is an identity platform for builders.
  • Auth0 has a free plan, then $35/mo; OpenCities starts at $500/mo.
  • Only Auth0 lists universal login; only OpenCities lists digital Forms.
  • Where Auth0 falls short: free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that.
  • Where OpenCities falls short: population-based pricing model limits scalability for growing municipalities.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Auth0 and OpenCities actually diverge.

Attributes where Auth0 and OpenCities differ
AttributeAuth0OpenCities
Starting priceFree$500/month
Free tierYesNo
CategoryCybersecurityGovernment
Founded20132008

Identical on both: platforms (Web, iOS, Android).

Not yet recorded: pricing model for Auth0.

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 OpenCities

  • Website Management
  • Digital Forms
  • Search Optimization
  • Accessibility Compliance
  • Analytics
  • Salesforce
  • Microsoft 365
  • Google Analytics

What people use each for

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

Auth0

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

OpenCities

  • Citizen Servicesnot Auth0
  • Records Managementnot Auth0
  • Public Safetynot Auth0
  • Civic Engagementnot 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

OpenCities

  • Population-based pricing model limits scalability for growing municipalities
  • No self-hosted or on-premises deployment option
  • Limited code customization without vendor support

Pricing, plan by plan

Auth0

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

OpenCities

$500/month
  • Government Platform$500/mo
    • Website CMS
    • Digital Forms
    • Accessibility

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 OpenCities if

  • You need website management.
  • You work on Web, iOS, Android.
  • You also want digital forms.
OpenCities review

Questions people ask

Is Auth0 or OpenCities better?
Neither clearly leads. Auth0 starts at Free and OpenCities at $500/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Auth0 or OpenCities?
Auth0 has a free tier; the other does not. Paid plans start at Free for Auth0 and $500/month for OpenCities.
Does Auth0 or OpenCities run on more platforms?
Both run on Web, iOS, Android, so platform support will not decide this one for you.
Can I use Auth0 for free?
Yes. Auth0 has a free tier, so you can try it without paying. OpenCities starts at $500/month.
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 OpenCities is typically brought in for.
What can Auth0 do that OpenCities cannot?
Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. OpenCities covers Website Management, Digital Forms, Search Optimization, Accessibility Compliance.

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
OpenCities: Does OpenCities work offline?

No, OpenCities is a cloud-based SaaS platform that requires an internet connection. All editing and management is done through web browsers.

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
OpenCities: What accessibility standards does OpenCities meet?

OpenCities is maintained to comply with WCAG AA requirements, ensuring equitable access to government services and information for all residents.

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
OpenCities: Can I integrate OpenCities with other government systems?

Yes. OpenCities integrates with Google Analytics, govDelivery for notifications, EngagementHQ for feedback collection, Legistar for meeting management, and Active Directory for intranet workflows.

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
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