vioscale
Comparison

Firebase Authentication vs Logto

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 →Logto full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Firebase Authentication66
Logto59
Score
Vioscale score
Firebase Authentication66 / 100low · 26%
Logto59 / 100high · 75%
Pricing
Free tier
Firebase Authentication✓
Logto✓
Model
Firebase Authenticationfreemium
Logtocommercial
Price level
Firebase Authenticationlow
Logtolow
Transparent
Firebase Authentication✓
Logto✓
Integrations
Count
Firebase Authentication–
Logto13
Security
Disclosure policy
Firebase Authentication–
Logto✓
Soc2
Firebase Authentication–
Logto✓
Vulnerabilities
Reliability
Status page
Firebase Authentication✓
Logto✓
Adoption
Dependent repos
Firebase Authentication–
Logto11
Github stars
Firebase Authentication–
Logto14,466
Activity
Commits last 30d
Firebase Authentication–
Logto100
Release
Cadence days
Firebase Authentication–
Logto29
History
Firebase Authentication–
Logto20 items
License
Spdx
Firebase Authentication–
LogtoMPL-2.0
Language
Primary
Firebase Authentication–
LogtoTypeScript
Market
Availability

Capabilities

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

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

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

Logto

A developer-focused identity infrastructure that handles user authentication, authorization, and access control across web, mobile, and server applications. Built on standard protocols including OIDC, OAuth 2.1, and SAML with native support for multi-tenancy, enterprise single sign-on, and role-based 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 ↗

Logto

from $0.08/moHybridFree tier

From $24/month. Free tier with 50K MAUs. Usage-based token billing.

  • FreeFree
    • User authentication
    • Machine-to-Machine applications
    • Account APIs
    • Audit logs and user management
    • 3 applications
    • +9 more
  • Pro$24/month plus $0.08 per 100 additional tokens. Unlimited MAUs.
    • Unlimited applications
    • Unlimited user roles
    • Unlimited Machine-to-Machine roles
    • 1 included Machine-to-Machine app
    • Unlimited API resources (3 included)
    • +19 more
  • EnterpriseContact sales
    • Custom resource quota
    • Custom data region
    • Logto Private Cloud
    • Service-Level Agreement (SLA)
    • Premium support
    • +1 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✓
Logto✓
iOS
Firebase Authentication✓
Logto✓
Android
Firebase Authentication✓
Logto✓
macOS
Firebase Authentication✓
Logto✗
CLI
Firebase Authentication✓
Logto✓
Deployment
Cloud / SaaS
Firebase Authentication✓
Logto✓
Self-hosted
Firebase Authentication✗
Logto✓

Integrations

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

Firebase Authentication

Not documented yet.

Logto

13 total
  • Google
  • Apple
  • Discord
  • GitHub
  • Facebook
  • Azure AD
  • Okta
  • Google One Tap
  • Google reCAPTCHA Enterprise
  • Cloudflare Turnstile
  • SMS services
  • SMTP email
  • HTTPS email
Independently observed

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