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Supabase

Developer Tools

Open-source Firebase alternative with Postgres

Founded 2020San Francisco, CA, USAfreemium · Free planFrom Free (1 project, 500MB DB); Pro $25/month; Team $599/monthVerified · Sep 2026
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About Supabase

Supabase is an open-source backend-as-a-service platform built on PostgreSQL, offering a real-time database, authentication, storage, edge functions, and an auto-generated API for developers.

Editorial Assessment

Supabase is an open-source Firebase alternative that provides a full backend-as-a-service stack built on top of PostgreSQL, including a hosted database, authentication, object storage, real-time subscriptions, and serverless edge functions. Founded in 2020 by Paul Copplestone and Ant Wilson, Supabase has grown rapidly as the developer-preferred alternative to Google Firebase — offering SQL's expressiveness and relational data modeling instead of Firebase's NoSQL document model. The Free tier includes one active project with 500MB database storage, 1GB file storage, 50MB bandwidth/day, and up to 50,000 monthly active users for auth. The Pro plan ($25/month) raises limits to 8GB database, 100GB bandwidth, and 100,000 MAUs with automatic daily backups. The Team plan ($599/month) and Enterprise (custom) add priority support, SOC2 compliance, and higher limits. Supabase's Postgres foundation is its primary differentiator: users get direct SQL access, PostGIS for geospatial data, pgvector for vector embeddings, full-text search, and row-level security (RLS) — none of which are available in Firebase. Supabase is self-hostable (unlike Firebase), making it attractive for organizations with data residency requirements. The main limitation is that Supabase's serverless edge functions have cold start latency, and the Realtime feature (websocket subscriptions) has message throughput limits on lower tiers.

Strengths
  • Full PostgreSQL database with direct SQL access, RLS, and 500+ Postgres extensions
  • pgvector extension enables vector storage for AI/RAG applications alongside relational data
  • PostgREST auto-generates REST API from database schema — no backend code required
  • Open-source and self-hostable — full control of data and infrastructure
  • Authentication supports 20+ OAuth providers, magic links, phone OTP, and SAML
  • Supabase Realtime for websocket-based database change subscriptions
  • Storage with image transformations and CDN delivery
Limitations
  • Edge functions have cold start latency (not suitable for sub-50ms response requirements)
  • Realtime message throughput limited on Free and Pro tiers
  • Database compute scales via fixed instance sizes — no true autoscaling within an instance
  • Free tier limited to 2 active projects (inactive projects paused after 1 week)
  • Less mature than Firebase for mobile app development (Firebase has stronger mobile SDKs)

Best For

Full-stack developers and startups wanting a managed Postgres backend without DevOps Teams building AI applications that need pgvector alongside relational data Organizations with data residency needs that can self-host Supabase Projects requiring authentication, database, storage, and realtime in a single service

Not Ideal For

Mobile-first apps where Firebase's mature iOS/Android SDKs and offline sync are criticalApplications needing NoSQL document flexibility over relational schemaTeams that want a fully managed database with DBA-level performance tuning and autoscaling

Key Features

Managed PostgreSQL with direct SQL accessAuto-generated REST and GraphQL APIAuthentication (20+ OAuth providers, magic links, SAML)Object storage with CDNRealtime websocket subscriptionsEdge Functions (Deno)pgvector for vector embeddingsRow-level security (RLS)

Who It's For

Full-stack developers and indie hackersStartups building SaaS productsAI and ML engineering teams needing Postgres + pgvectorTeams migrating from Firebase to relational data

Integrations

VercelNetlifyGitHubPrismaNext.js

Platforms

web api

Founders

  • Paul Copplestone
  • Ant Wilson

Products & Tools

Supabase PlatformBackend-as-a-Service
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Open-source Firebase alternative with managed Postgres, auth, storage, realtime, and edge functions.

freemium · Free planFrom Free (500MB DB); Pro $25/month; Team $599/month
Managed PostgresAuto-generated APIsAuthStorageRealtime

Sources & Verification

Last reviewed September 2026

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Tags

BackendDatabaseOpen SourcePostgreSQL

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