vioscale
Comparison

Firebase Authentication vs PropelAuth

No leader: the top candidate Firebase Authentication has only 0.26 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Firebase Authentication full profile →PropelAuth full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Firebase Authentication66
PropelAuth59
Score
Vioscale score
Firebase Authentication66 / 100low · 26%updating
PropelAuth59 / 100medium · 73%updating
Pricing
Free tier
Firebase Authentication✓
PropelAuth✓
Model
Firebase Authenticationfreemium
PropelAuthfreemium
Price level
Firebase Authenticationlow
PropelAuthlow
Transparent
Firebase Authentication✓
PropelAuth✓
Integrations
Count
Firebase Authentication–
PropelAuth5
Security
Disclosure policy
Firebase Authentication–
PropelAuth✓
Gdpr
Firebase Authentication–
PropelAuth✓
Soc2
Firebase Authentication–
PropelAuth✓
Reliability
Status page
Firebase Authentication✓
PropelAuth✓
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for auth & identity software. “-” means undocumented, not absent.

Deployment
Hosting
Firebase AuthenticationCloud only
PropelAuthCloud + self-hosted
Methods
Social login
Firebase Authentication✓
PropelAuth✓
Passwordless
Firebase Authentication✓
PropelAuth✓
Passkeys / WebAuthn
Firebase Authentication-
PropelAuth-
Multi-factor auth
Firebase Authentication-
PropelAuth✓
Enterprise
SAML SSO
Firebase Authentication✓
PropelAuth✓
SCIM provisioning
Firebase Authentication-
PropelAuth✓
B2B / multi-tenancy
Firebase Authentication-
PropelAuth✓
Standards
OpenID Connect provider
Firebase Authentication✓
PropelAuth✓
Delivery
Hosted UI
Firebase AuthenticationBoth
PropelAuthBoth
Access
RBAC
Firebase Authentication-
PropelAuth✓
Licensing
Self-hostable OSS core
Firebase Authentication✗
PropelAuth-

What each one is

The product in its own terms, so the numbers below have context.

Firebase Authentication

A backend authentication service offering SDKs and UI components to integrate user sign-in across web and mobile platforms. Supports email, password, phone, and social login methods, with customizable UI options and pre-built components.

Independently observed

PropelAuth

An authentication provider that helps B2B SaaS applications implement identity management features as they grow, from basic signup and login to enterprise-grade SSO, SCIM provisioning, and access control.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Firebase Authentication

HybridFree tier

Free Spark plan with 50K monthly active users. Blaze plan uses pay-as-you-go pricing.

  • SparkFree
  • Blaze-
as of verify ↗

PropelAuth

from $0.00/moSubscriptionFree tier

Free tier with 10,000 MAUs. Paid plans from $150/month. Additional MAUs at $0.05 each. Usage-based pricing for API validations, SCIM connections, and exports.

  • FreeFree
    • Unlimited organizations
    • Unlimited waitlist users
    • Custom domain
    • 2FA & RBAC
    • Customizable UIs
    • +4 more
  • Growth$150/month + $0.05 per additional MAU + usage-based validation costs
    • Everything in Free
    • User impersonation
    • Unlimited SAML/enterprise SSO connections
    • Separate staging environment
    • API keys and machine-to-machine auth
    • +9 more
  • Growth Plus$500/month + $0.05 per additional MAU + usage-based add-on costs
    • Everything in Growth
    • SCIM/Directory sync
    • Advanced organization controls
    • Advanced security options
    • Custom roles
    • +11 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Firebase Authentication✓
PropelAuth✓
iOS
Firebase Authentication✓
PropelAuth✗
Android
Firebase Authentication✓
PropelAuth✗
macOS
Firebase Authentication✓
PropelAuth✗
CLI
Firebase Authentication✓
PropelAuth✗
Deployment
Cloud / SaaS
Firebase Authentication✓
PropelAuth✓
Self-hosted
Firebase Authentication✗
PropelAuth✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Firebase Authentication

Not documented yet.

PropelAuth

5 total
  • Slack
  • MCP Server
  • GitHub
  • AWS
  • Notion
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.