Supabase
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About Supabase
Supabase is an open-source Firebase alternative founded in 2020 by Paul Copplestone and Ant Wilson, headquartered in San Francisco. It provides a hosted PostgreSQL database with a suite of backend services — authentication, real-time subscriptions, storage, edge functions, and auto-generated REST and GraphQL APIs — all built on top of standard PostgreSQL rather than a proprietary database. This is Supabase's core philosophical differentiator from Firebase: your data is standard SQL in a standard Postgres database, meaning you can query it with any PostgreSQL-compatible tool and migrate away without vendor lock-in. Supabase raised at a $2 billion valuation in 2023 and has grown rapidly among developers and startups as the default backend-as-a-service for web applications. The free tier includes 2 projects with 500MB database, 1GB storage, and 50,000 monthly active users — generous for prototyping. Paid plans start at $25/month per project (Pro). Supabase's vector extension (pgvector) has made it a popular choice for AI applications storing embeddings for semantic search and RAG (Retrieval Augmented Generation) workflows. The platform is favored by the Next.js and Vercel ecosystem, with tight integration and extensive documentation.
Frequently Asked Questions
Supabase vs Firebase: which should I choose?
Choose Supabase if you want SQL/relational data, avoid vendor lock-in, need full PostgreSQL query power, or care about open-source/self-hosting. Choose Firebase if you need Google ecosystem integration, the best real-time mobile SDKs (Android, iOS), Firebase's offline-first sync, or if your team already knows Firebase. Supabase has strong momentum in the Next.js/TypeScript ecosystem; Firebase is dominant in native mobile development. Both are excellent for prototyping — Supabase wins on data portability and SQL familiarity.
Is Supabase free?
Supabase free tier includes 2 projects, 500MB database per project, 1GB file storage, 50,000 monthly active users for auth, 500,000 edge function invocations/month, and 2GB bandwidth. Projects are paused after 1 week of inactivity on free tier. Pro plan is $25/month per project with 8GB database, 100GB storage, no pausing, and daily backups. Team plan is $599/month for org-level features, SSO, and priority support.
Can I use Supabase with Next.js?
Supabase has first-class Next.js support — the @supabase/ssr package handles server-side rendering, App Router, and Server Components correctly, including cookie-based auth that works across both server and client components. Supabase's Vercel integration deploys and links projects automatically. The combination of Next.js + Supabase + Vercel is one of the most popular full-stack starter stacks in 2026, with extensive official documentation and community templates.
Top Alternatives to Supabase
Firebase
More mature real-time sync and mobile SDKs from Google
PlanetScale
MySQL-compatible with git-like branching for schema changes
MongoDB
Better for document/NoSQL workloads with flexible schemas
Neon
Serverless Postgres with branching and autoscaling
Turso
Edge-distributed SQLite for ultra-low latency globally
Appwrite
Open-source BaaS alternative with self-hosting focus
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