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Cybersecurity · head to head

Auth0 vs Rock Solid

Auth0 logo

Auth0

Cybersecurity

Secure access for everyone

From
Free
Free plan
Yes
Visit Auth0Full review
Rock Solid logo

Rock Solid

Government

Parks and Recreation Management

From
$350/month
Free plan
No
Visit Rock SolidFull review

The short version

  • Auth0 is an identity platform for builders.
  • Auth0 has a free plan, then $35/mo; Rock Solid starts at $350/mo.
  • Only Auth0 lists universal login; only Rock Solid lists program Registration.
  • Where Auth0 falls short: free tier limited to 25,000 monthly active users, requiring upgrade for growth beyond that.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Auth0 and Rock Solid actually diverge.

Attributes where Auth0 and Rock Solid differ
AttributeAuth0Rock Solid
Starting priceFree$350/month
Free tierYesNo
CategoryCybersecurityGovernment
Founded20132001

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 Rock Solid

  • Program Registration
  • Facility Scheduling
  • Membership Management
  • Payment Processing
  • Reporting & Analytics
  • Payment Gateways
  • QuickBooks
  • Marketing Tools

What people use each for

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

Auth0

  • B2C authenticationnot Rock Solid
  • B2B authenticationnot Rock Solid
  • B2E authenticationnot Rock Solid
  • API securitynot Rock Solid
  • Mobile app securitynot Rock Solid

Rock Solid

  • 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

Rock Solid

Nothing recorded yet. See the Rock Solid review.

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

Rock Solid

$350/month
  • Recreation Management$350/mo
    • Program Registration
    • Facility Scheduling
    • Payment Processing

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 Rock Solid if

  • You need program registration.
  • You work on Web, iOS, Android.
  • You also want facility scheduling.
Rock Solid review

Questions people ask

Is Auth0 or Rock Solid better?
Neither clearly leads. Auth0 starts at Free and Rock Solid at $350/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Auth0 or Rock Solid?
Auth0 has a free tier; the other does not. Paid plans start at Free for Auth0 and $350/month for Rock Solid.
Does Auth0 or Rock Solid 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. Rock Solid starts at $350/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 Rock Solid is typically brought in for.
What can Auth0 do that Rock Solid cannot?
Auth0 covers Universal login, Social login, Multi-factor authentication, Passwordless. Rock Solid covers Program Registration, Facility Scheduling, Membership Management, Payment Processing.

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
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
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
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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