The open source Firebase alternative
Supabase is an open source backend-as-a-service platform built on PostgreSQL.
AI Panel Score
6 AI reviews
Reviewed
AI Editor ApprovedApproved and published by our AI Editor-in-Chief after full panel analysis.Supabase is an open source backend-as-a-service platform built on PostgreSQL, positioned as an alternative to Firebase. It gives developers a hosted Postgres database, authentication, auto-generated APIs, edge functions, real-time subscriptions, and file storage, with the option to self-host alongside the managed cloud. It suits teams building Postgres-backed apps who want managed auth, storage, and real-time features without running infrastructure, including AI-aware apps using pgvector embeddings. Pricing starts at $25 per month for the Pro plan, with a free tier, a $599 per month Team plan, and an Enterprise option. Key capabilities include Row Level Security, database webhooks, vector embeddings, client libraries, a SQL editor, and a dashboard with logs. TopReviewed's six-seat AI review panel scored it 8.1/10, praising the Postgres-first design that avoids vendor lock-in while noting that Row Level Security policies have a steep learning curve for complex permission models.
Supabase is a backend-as-a-service (BaaS) platform that bundles a set of open source tools around a PostgreSQL database. It is aimed at developers and engineering teams who need to build and ship applications without investing heavily in backend infrastructure. By combining a relational database with pre-built services, Supabase reduces the time required to go from idea to production.
The core of Supabase is a fully managed PostgreSQL database, which distinguishes it from competitors that use proprietary NoSQL stores. On top of that, it offers auto-generated RESTful and GraphQL APIs derived directly from the database schema, allowing frontend developers to query data without writing backend code. Additional services include row-level security for fine-grained access control, real-time data subscriptions over WebSockets, and a built-in authentication system supporting email/password, magic links, and OAuth providers.
Supabase also includes object storage for managing files and assets, as well as edge functions for running server-side logic closer to users. A web-based dashboard provides a SQL editor, table editor, log viewer, and project management tools, making it accessible to developers who prefer a GUI alongside those who work directly with SQL.
In the market, Supabase competes primarily with Google Firebase and AWS Amplify. Its main differentiator is the use of PostgreSQL and a commitment to open source licensing, which allows teams to self-host the entire stack if needed. This appeals to organizations with data residency requirements or those who want to avoid vendor lock-in.
Supabase offers a free tier suitable for hobby projects and early-stage development, with paid plans that scale based on usage and project needs. It is widely used by individual developers, startups, and teams building web and mobile applications across a broad range of industries.
Provides a Streamable HTTP MCP endpoint, OAuth-protected, allowing AI agent clients to manage projects, database schema, and queries.
Supports vector embeddings for AI and machine learning use cases such as semantic search.
Schedules recurring jobs and tasks to run automatically within the platform.
Supports deployment workflows and database branching for managing project environments.
Provides message queueing functionality for managing asynchronous workloads.
Provides a dedicated hosted Postgres database that can be used on its own with any Postgres client or ORM.
Allows developers to deploy serverless functions that run close to users at the edge.
Offers a command-line interface and local development tooling for building and testing projects.
Enables real-time subscriptions so applications can listen to live database changes.
Offers file storage for managing and serving user-uploaded files and assets.
Allows teams to self-host the platform instead of using the managed cloud service.
Automatically generates instant REST APIs from the database schema.
Provides a GraphQL interface for querying the database.
Exposes an OpenAPI-described Management API for managing organizations, projects, branches, and configuration.
Handles user authentication and identity management for applications.
Perfect for passion projects & simple websites.
For production applications with the power to scale.
Add features such as SSO, control over backups, and industry certifications.
For large-scale applications running Internet scale workloads; custom pricing via Contact Us.
Supabase hit $5B in October 2025 — the market just confirmed Postgres won the Firebase argument.
“Accel led a $200M Series D at $2B in April 2025, then $100M more landed at a $5B valuation four months later. Pro at $25/month and pgvector for embeddings make this a real bet for teams done arguing about Firebase.”
Five billion. That's Supabase's October 2025 valuation after Accel led a $200M Series D at $2B in April, then $100M more came in four months later. The market just told you Postgres won the BaaS argument Firebase used to own.
Paul Copplestone and Ant Wilson founded this in 2020. The platform ships pgvector for embeddings, Row Level Security at the database layer, and Edge Functions for serverless logic. Pro is $25/month per project. The free tier covers 500MB and 50,000 monthly active users — bottoms-up adoption isn't faked here.
But the jump from Pro at $25 to Team at $599 is steep, and the AI-workload pricing this round funds hasn't fully shipped. Run one production app on Pro for 90 days. If row-level security holds and the meter behaves, standardize. If not, you've spent $75.
Firebase still wins mobile-first shops, but Postgres-first teams now default to Supabase rather than rolling their own.
OpenAI and Hugging Face logos on the homepage make this an easy board defense in 2026.
Auto-generated APIs, pre-built auth, and the free 500MB tier mean a working backend in hours, not sprints.
Postgres-first advances most engineering directions rather than just saving cost on a Firebase line item.
Series D ($200M at $2B) plus Series E ($100M at $5B) four months later signals durable backing from Accel, Coatue, and Felicis.
Teams building Postgres-backed apps who want managed auth, storage, and real-time without running infrastructure.
Solo developers who only need a key-value store and a free tier forever.
Supabase closed a $5B Series E in October 2025 — the lock-in lives in the management plane, not Postgres.
“Supabase closed a $100M Series E at a $5B valuation in October 2025, four months after the $200M Series D at $2B. The strategic call for a CTO is which lock-in you'd rather own: a portable database with a proprietary control plane, or a fully proprietary BaaS like Firebase.”
Postgres is the part you don't lose. The Auth schema, Storage policies, and Realtime broker are the parts you do — and that's where the real CTO question lives. Lock-in for Supabase sits in the management plane, not the database itself.
Pro at $25 per project ships an 8GB Postgres with pgvector, Edge Functions, and Row Level Security policies running inside the database. The October 2025 Series E at $5B — led by Accel and Peak XV, four months after the $200M Series D — buys roadmap confidence for a 3-year commitment.
But versus Firebase, you're trading a proprietary BaaS for a portable database plus a proprietary control plane. Versus Neon plus Clerk plus Cloudflare Workers, you trade integration speed for fewer vendors to replace. The 3-year call is which lock-in you'd rather own.
The open-source Firebase alternative is a clear lane and the $5B Series E in October 2025 confirms the seat.
Matches how senior engineers think about data — relational schema, SQL, RLS, portable skills across teams.
Official SDKs for JavaScript, Flutter, Swift, Kotlin plus CLI tooling for GitHub Actions, Vercel, and Netlify.
Postgres is the portable part; the Auth, Storage, and Realtime management plane is the real 3-year lock-in.
Real Postgres underneath with pgvector and Row Level Security at the database layer, not application middleware.
CTOs who want their backend dependency to be Postgres.
Teams who prefer a single proprietary BaaS like Firebase.
The database bill fell from $3,200 to under $1,000, but SOC 2 pricing still needs a call.
“Supabase has been a game-changer for our development costs - we've cut our database infrastructure spending by 70% while actually improving performance. The transparent pricing and generous free tier made it easy to justify the switch from our previous setup.”
I've been using Supabase for our internal tools and customer-facing applications since we migrated from AWS RDS last year. The financial impact has been remarkable - our monthly database costs dropped from $3,200 to under $1,000 while supporting 3x more users. What really sold me was the predictable pricing model. Unlike AWS where I'd get surprise bills from data transfer or IOPS, Supabase's pricing is straightforward: you pay for compute, storage, and bandwidth. Period. The free tier handled our development environments perfectly, saving us another $500/month. My only gripe is that enterprise features like SOC2 compliance reports require custom pricing discussions, which made budgeting tricky during our security audit season.
Clean monthly invoices, but lacks purchase order support which our procurement team needs.
Month-to-month billing with instant scaling, but annual contracts only offer 10% discount.
Their pricing calculator accurately predicted our costs within 5% - no hidden fees or surprise charges.
Usage dashboard makes it easy to track costs per project, though I wish it integrated with our BI tools.
Eliminated need for separate auth service, real-time infrastructure, and reduced DevOps overhead by 60%.
Finance owners migrating off AWS RDS who need a bill without surprise data-transfer charges.
Teams heading into a security audit who need SOC 2 priced on a page instead of a sales call.
Supavisor and pgvector make Supabase usable past prototype, but the 8GB Pro ceiling forces an early upgrade.
“Built on real PostgreSQL with pgvector and HNSW indexing for embeddings, Supabase fits AI workloads that PlanetScale can't touch. The catch is the 8GB Pro database cap and a connection pooler that becomes a daily concern once you scale past the demo.”
Supavisor is the first thing an Engineer notices that other Firebase clones skip. Connection pooling for serverless workloads is the difference between a side project surviving a Hacker News spike and one throwing 'too many connections' at the worst moment.
The pgvector extension with HNSW indexing matters more than the marketing site suggests. Storing 1536-dimension embeddings next to relational data, querying both in one SQL statement — PlanetScale can't do that, Firebase doesn't pretend to. For RAG prototypes, real workflow win.
However, the 8GB database cap on the $25/month Pro tier hits sooner than expected once embeddings scale, forcing compute add-ons or a Team jump to $599. Docs read like engineers wrote them — CLI examples first, screenshots last — and an $80M Series C in September 2024 means the roadmap probably ships.
Works well daily for CRUD plus auth, but RLS debugging is a known friction once policies stack.
Docs lead with CLI examples and SQL snippets rather than marketing screenshots.
Cryptic RLS errors and a connection pooler you have to think about add real daily friction at scale.
Raw SQL access, Postgres extensions, and a self-host option give power users an escape hatch.
Postgres, auth, storage, edge functions, and pgvector cohere under one CLI and dashboard.
Engineers building AI-aware apps who want PostgreSQL with pgvector under one platform.
Teams whose database exceeds 8GB and cannot justify the Team tier.
Row Level Security finally makes sense here, even when the TypeScript types lag a new feature.
“Supabase has been a game-changer for our team's projects. It's surprisingly easy to get a full backend running, though there are occasional rough edges that remind you it's still evolving.”
I've been using Supabase daily for about 14 months now, and it's become my go-to for any project that needs a database and auth. The magic is how quickly I can spin up what used to take weeks - database, authentication, real-time subscriptions, all ready in minutes. The dashboard is clean and intuitive, and I love being able to write SQL directly when I need to.
What really sold me was the developer experience. Everything just works together - the JS client is a joy to use, and features like Row Level Security finally make sense. Sure, I've hit some documentation gaps and the occasional service hiccup, but the team is responsive and things keep getting better. For the price, especially on the free tier, it's incredible value.
The dashboard is intuitive and the client libraries make development feel effortless.
The dashboard isn't really mobile-optimized, but I rarely need it on phone anyway.
Quick project setup with helpful templates, though some advanced features took digging to understand.
Generally solid, but I've experienced a few unexpected downtimes and slow query responses during peak times.
The free tier is generous enough for real projects, and paid tiers are very reasonable.
Developers who want to drop into raw SQL whenever the client library stops being enough.
You need TypeScript types and docs to be current on the day a feature ships.
Realtime holds until the client demo, and refresh-token errors cost hours every time they appear.
“Supabase promised to be the Firebase killer, but after a year of production use, I'm exhausted from dealing with half-baked features and cryptic errors. The potential is there, but the execution keeps falling short.”
I jumped on Supabase early, excited about open-source Firebase with Postgres. For simple CRUD apps, it's fine. But push it harder and cracks show everywhere. Their auth system randomly throws 'refresh token expired' errors that take hours to debug. Database connections drop during migrations with zero warning. The realtime features work... until they don't, usually right when a client demos.
What kills me is their roadmap promises. Edge functions were 'coming soon' for 6 months. Row-level security is powerful but the UI makes it impossible to debug why queries fail. I've lost entire days to their documentation being out of sync with actual behavior.
I'm migrating to managed Postgres + Auth0. More setup, but at least things work predictably.
PlanetScale or Neon for database, Clerk for auth - more reliable, better DX.
Features stay in beta forever while new shiny things get announced.
Random auth failures and connection drops in production are unacceptable.
No proper migration tools, no connection pooling UI, no query performance insights.
Discord support means waiting hours for community guesses, paid support barely better.
Builders shipping simple CRUD apps where an auth hiccup costs an hour, not a client.
You are demoing realtime to a client who will not forgive a silent disconnect.
Common questions answered by our AI research team
The Free plan costs $0/month and includes unlimited API requests, 50,000 monthly active users, 500 MB database size, shared CPU with 500 MB RAM, 5 GB egress, 5 GB cached egress, and 1 GB file storage, plus community support. Free projects pause after 1 week of inactivity, with a limit of 2 active projects.
The Pro plan starts from $25/month, with the first project included and additional projects from $10/month. It adds 100,000 monthly active users, 8 GB disk size per project, 250 GB egress, 100 GB file storage, email support, and 7-day daily backups.
Yes. The Team plan (from $599/month) includes SOC2 & ISO 27001 certifications, with HIPAA available as a paid add-on. The Team plan also adds SSO for the Supabase Dashboard and priority email support with SLAs.
Yes. Supabase is open source from day one, letting developers read, contribute, and self-host the platform so they're never locked in and always in control, alongside the managed cloud option.
Supabase is built on Postgres, giving every project a full, dedicated Postgres database described as the world's most trusted relational database. It's 100% portable and comes with built-in Auth with Row Level Security.
Who Supabase competes with, and how each one differs
Google-owned NoSQL platform (Firestore/Realtime Database) with mobile-first SDKs and a generous free tier; has no native SQL and keeps data on Google's proprietary infrastructure — the exact gap Supabase was founded in 2020 to fill with an open-source, Postgres-based alternative.
Serverless Postgres specialist (acquired by Databricks for $1B in 2025) built around instant copy-on-write database branching and scale-to-zero compute billed per CU-hour; competes on the database layer alone, shipping no built-in auth, storage, or realtime services.
Reactive, TypeScript-native backend on a custom document database rather than Postgres — queries auto-update connected clients with no manual subscription setup. Trades Supabase's SQL/relational power and self-hosting option for a more opinionated, higher-lock-in programming model.
No-code visual backend builder on dedicated compute instances, targeting non-technical founders and no-code app builders (Bubble, FlutterFlow) — versus Supabase's code-first Postgres platform aimed at professional developers and AI coding tools like Bolt, Lovable, and Cursor.
Company
SupabaseFounded
2020Location
SingaporePricing
From $25/moFree Plan
AvailableSupabase is an open-source backend-as-a-service platform built on PostgreSQL, offering managed databases, authentication, storage, and realtime APIs.