Supabase vs Firebase 2026
Two backend platforms, two database paradigms. Pick the right one. Database - Supabase: PostgreSQL — relational, SQL, foreign keys - Firebase Firestore: NoSQL document store Complex relations: Supabase. Simple CRUD: Firebase. Authentication Both support email/password, OAuth Google, Apple, GitHub, magic link. Row-Level Security - Supabase: PostgreSQL RLS — powerful, flexible - Firebase Rules: Jav…