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Cybersecurity · head to head

Logto vs Rock Solid

Logto logo

Logto

Cybersecurity

Open-source identity and authentication infrastructure for apps and APIs

From
Free
Free plan
Yes
Full reviewWebsite
Rock Solid logo

Rock Solid

Government

Parks and Recreation Management

From
$350/month
Free plan
No
Full reviewWebsite

The short version

  • Only Logto has a free tier, so it costs nothing to try first.
  • They diverge on capability: Logto covers Prebuilt sign-in UI, Rock Solid covers Program Registration.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

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

Attributes where Logto and Rock Solid differ
AttributeLogtoRock Solid
Starting priceFree$350/month
Pricing modelfreemiumsubscription
Free tierYesNo
Platformsweb, apiWeb, Ios, Android
CategoryCybersecurityGovernment
FoundedUnknown2001

Identical on both: 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 Logto

  • Prebuilt sign-in UI
  • Social connectors
  • Role-based access control
  • Multi-factor authentication
  • Machine-to-machine apps
  • Audit logs

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.

Logto

  • Adding sign-in to a new SaaS productnot Rock Solid
  • Implementing SSO for B2B customersnot Rock Solid
  • Securing internal APIs with M2M tokensnot Rock Solid
  • Adding RBAC and organizations to a multi-tenant appnot Rock Solid

Rock Solid

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

Where each one falls short

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

Logto

  • Advanced features like RBAC, organizations, MFA, and enterprise SSO are billed as separate paid add-ons rather than included in Pro.
  • Enterprise pricing is not published and requires contacting sales.
  • Token-based billing can make cost forecasting harder than flat per-MAU pricing for high-traffic apps.

Rock Solid

Nothing recorded yet. See the Rock Solid review.

Pricing, plan by plan

Logto

Free
  • FreeFree
    • Up to 50,000 MAU
    • 50K tokens included
    • 3 applications
  • Pro$24/month
    • Unlimited MAU and applications
    • 3 included API resources
    • Passkey sign-in

Rock Solid

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

Which should you pick?

Choose Logto if

  • You need prebuilt sign-in ui.
  • You want to start without paying.
  • You work on web, api.
  • You also want social connectors.
Logto 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 Logto or Rock Solid better?
Neither clearly leads. Logto 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, Logto or Rock Solid?
Logto has a free tier; the other does not. Paid plans start at Free for Logto and $350/month for Rock Solid.
Does Logto or Rock Solid run on more platforms?
Logto runs on web, api. Rock Solid runs on Web, Ios, Android.
Can I use Logto for free?
Yes. Logto has a free tier, so you can try it without paying. Rock Solid starts at $350/month.
What is Logto best used for?
Logto is most often used for adding sign-in to a new saas product, implementing sso for b2b customers, securing internal apis with m2m tokens, adding rbac and organizations to a multi-tenant app. Of those, adding sign-in to a new saas product and implementing sso for b2b customers are not what Rock Solid is typically brought in for.
What can Logto do that Rock Solid cannot?
Logto covers Prebuilt sign-in UI, Social connectors, Role-based access control, Multi-factor authentication. Rock Solid covers Program Registration, Facility Scheduling, Membership Management, Payment Processing.

Answered from the vendors’ own pages

Logto: What does Logto cost?

Logto offers a Free plan at $0/month, a Pro plan starting at $24/month with 50K free tokens included, and a custom-priced Enterprise plan. Extra add-ons like RBAC or MFA are billed separately on Pro.

Source
Logto: Is there a free plan, and what are its limits?

Yes. The Free plan supports up to 50,000 monthly active users, 3 total applications, 1 machine-to-machine app, 3 social connectors, 1 webhook, and 3-day audit log retention.

Source
Logto: How is usage metered?

Logto uses token-based billing: only access tokens issued for authentication and authorization activity are counted, rather than charging purely per MAU.

Source
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