Firebase Authentication
Simple, secure user authentication
★ 4.7
Google's authentication service with 50,000 MAU free tier. Part of the Firebase ecosystem with excellent mobile SDKs.
Recursos
✓ 50,000 MAU free (Spark plan)
✓ Email/password authentication
✓ Social login (Google, FB, Apple, etc)
✓ Phone/SMS auth ($0.01-0.06/SMS)
✓ SAML/OIDC: 50 free, then $0.015/MAU
✓ Anonymous authentication
✓ Multi-factor authentication
Prós
- + Generous 50,000 MAU free tier
- + Excellent mobile SDKs (iOS, Android, Flutter)
- + Part of Firebase ecosystem
- + Google's reliability and scale
Contras
- − Phone/SMS auth costs extra ($0.01-0.06/SMS)
- − SAML/OIDC costs $0.015/MAU after 50 users
- − No phone/email support
- − Vendor lock-in to Firebase/Google