“1. Supabase Auth – Best overall if you want authentication plus a full backend.”
“Best overall if you want authentication plus a full backend.”
“Google, GitHub, Apple OAuth built in.”
“PostgreSQL database.”
“Automatic user management.”
“Row Level Security.”
“Storage and serverless Edge Functions.”
“SDKs for JavaScript, Flutter, and other platforms.”
“2. Clerk – Best developer experience and polished authentication UI.”
“Best developer experience and polished authentication UI.”
“Beautiful prebuilt login components.”
“Google, GitHub, and Apple social connections.”
“Session management.”
“User profiles and organizations.”
“Excellent developer experience.”
“One consideration: Clerk is primarily an authentication platform, not a complete database backend.”
“3. Firebase Authentication – Best for Google/Firebase ecosystem integration.”
“Best for Google/Firebase ecosystem integration.”
“Google authentication integration.”
“GitHub and Apple providers.”
“Android and iOS SDKs.”
“Firestore database.”
“Cloud Functions.”
“Analytics and other Google services.”
“4. Auth0 – Best for enterprise-grade OAuth and identity management.”
“Enterprise SSO.”
“Multi-factor authentication.”
“Advanced identity management.”
“Complex authorization rules.”
“Multiple authentication providers.”
“It may be overkill for a straightforward consumer application.”
“5. Appwrite Auth – Best open-source, self-hostable backend.”
“30+ social login providers.”
“Google, GitHub, Apple.”
“Database, storage, and functions.”
“Self-hosting support.”
“User management.”
“6. AWS Cognito – Best if you're already building on AWS.”
“Best if you're already building on AWS.”