Google Firebase Authentication vs Kinde Developer Authentication Auth

Google Firebase Authentication vs Kinde Developer Authentication Specs
Deploy Firebase Backend
👉 50,000 Free MAU • Realtime NoSQL Included
Deploy Kinde Engine
👉 10,000 Free MAU • Built for Rapid Multi-Tenant SaaS

Google Firebase Authentication

MFA Support
SMS Phone Verification exclusively on upgraded infrastructure tiers
Enterprise SSO SAML
Supported through Google Cloud Identity Platform integration layer
Custom Domain Support
Included naturally through standard Firebase Hosting custom routes
Supported SDKs
Android, iOS, C++, Unity, Web JS, Node.js, Python, Go, Java
Social Providers
Google, Facebook, GitHub, Twitter, Yahoo, Microsoft, Apple
Compliance Standards
SOC1/2/3, ISO 27001, ISO 27017, HIPAA Compliant, GDPR Compliant
Webhook Fallback Policy
Custom event handling configured via Cloud Functions background retry logic

Kinde Developer Authentication

MFA Support
SMS Codes, TOTP, Email Codes
Enterprise SSO SAML
Supported on standard scale plans via direct dashboard configuration
Custom Domain Support
Included in primary paid tiers with zero infrastructure penalty
Supported SDKs
Next.js, React, Remix, SvelteKit, TypeScript, Python, Ruby, Elixir
Social Providers
Google, GitHub, Apple, Slack, Microsoft, Bitbucket, LinkedIn
Compliance Standards
SOC2 Type II Certified, GDPR Compliant, CCPA Aligned
Webhook Fallback Policy
Immediate delivery loops with automatic retries across standard intervals