1
Firebase Free tier

Google's app development platform providing a realtime database, authentication, hosting, and cloud functions.

Free Spark plan with generous limits · Paid from Pay as you go Mobile and web apps that need realtime sync and fast prototyping
Firestore Auth Cloud Functions Hosting
2

Serverless MySQL platform with branching, non-blocking schema changes, and unlimited scalability.

Paid from $39/mo Teams running MySQL at scale who need safe schema migrations
Database Branching Schema Migrations Auto-scaling Query Insights
3
Neon Free tier Open Source

Serverless Postgres with autoscaling, branching, and a generous free tier for modern applications.

Free tier with 0.5 GB storage and 190 compute hours · Paid from $19/mo Developers who want serverless Postgres with branching and scale-to-zero
Serverless Postgres Branching Scale-to-Zero Autoscaling

Quick comparison: Supabase vs Firebase

Feature Supabase Firebase
Starting price $25/mo Pay as you go

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