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Supabase open source Firebase alternative logo

Supabase

Editor Verified Freemium

An open-source Firebase alternative with PostgreSQL, Auth, Realtime, and Vector storage.

Last Verified: February 2026 • Databases

Free Tier Boundaries & Verification

Audited: February 2026
Verified Free Allowance:

500MB PostgreSQL database, 50,000 monthly active users, 1GB file storage, and 500k Edge Function invocations; up to 2 active projects.

Commercial Entry Price: Pro tier starts at $25/month for 8GB database space, 100k MAUs, and daily automated backups.
Check Live Pricing Matrix

Architecture & Purpose

Supabase is an open-source database platform providing full PostgreSQL instances with Row-Level Security, realtime WebSockets, vector embeddings via pgvector, and automated REST APIs.

Target Audience & ICP:

Full-stack engineers, SaaS founders, and mobile app developers building relational backends.

Practical Use Cases

  • Building transactional B2B SaaS databases with PostgreSQL Row-Level Security.
  • Storing and searching vector embeddings with pgvector for RAG applications.
  • Authenticating users via OAuth (GitHub, Google, Apple) with passwordless magic links.

Key Capabilities & Features

  • Dedicated Postgres instance with full superuser SQL access and migration tools.
  • Row-Level Security (RLS) policies evaluated directly in Postgres for client queries.
  • Integrated Auth, Storage, Realtime pub/sub, and Deno Edge Functions.

Known Limitations & Operational Tradeoffs

  • • Free tier projects pause automatically after 7 days of zero database traffic.

Side-by-Side Alternatives Comparison

Direct Market Counterparts
Specification
Supabase Active
Neon Alternative
Pricing Model Freemium Freemium
Free Tier Boundaries 500MB PostgreSQL database, 50,000 monthly active users, 1GB file storage, and 500k Edge Function invocations; up to 2 active projects. 0.5 GB storage, 1 project with up to 10 database branches, and shared compute; scale-to-zero when idle.
Commercial Pricing Pro tier starts at $25/month for 8GB database space, 100k MAUs, and daily automated backups. Launch plan starts at $19/month with 10GB storage and dedicated compute fractions.
Core Moat / Strength Standard PostgreSQL foundation eliminates vendor lock-in; easily exportable. Copy-on-write instant database branching in under 1 second.
Known Limitation
Free tier projects pause automatically after 7 days of zero database traffic.
First query cold-start latency (approx 400-800ms) when compute wakes from zero.
Official Site Visit Supabase Visit Neon

Used In FroznLabs Guides & Research