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Last reviewed: 2026-07-10

Best Free Alternatives to Supabase

Supabase bundles Postgres, auth, storage, realtime, APIs and edge functions. That is powerful, but some projects need only a database, prefer Firebase's client ecosystem, or require a MySQL-compatible workflow.

Choose Firebase for a mature client-first mobile and web backend.

Choose Neon for focused serverless PostgreSQL without the wider BaaS surface.

Choose PlanetScale only when MySQL compatibility is a firm requirement and current pricing fits.

Why look for an alternative

  • You only need managed PostgreSQL and want fewer platform components.
  • Your app is already designed around Firebase SDKs and document data.
  • You require MySQL compatibility rather than PostgreSQL.
  • Supabase project pausing or bundled quotas do not fit the workload.

Best alternatives

Firebase

Best client-first backend

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Limit

Mobile and web apps using managed SDKs, Firestore and Google services

Firebase offers an established backend ecosystem with authentication, document data, hosting and functions.

Watch out: Firestore is not relational SQL and deeper integration can increase migration cost.

Neon

Best focused Postgres alternative

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Limit

Apps that provide their own auth, API and file storage

Neon keeps the decision centered on standard serverless Postgres and database branching.

Watch out: It does not replace Supabase Auth, Storage or Realtime by itself.

PlanetScale

Best MySQL-compatible alternative

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Limit

Existing MySQL applications and Vitess-oriented workflows

PlanetScale targets managed MySQL-compatible infrastructure and database branching.

Watch out: Verify current pricing; it should not be assumed to be a permanent free replacement.

Decide what you are replacing

If database cost or lifecycle is the issue, moving only Postgres to Neon may be enough. If client SDKs and managed events matter more than SQL, Firebase is a broader architectural alternative. PlanetScale changes the database engine family and should be chosen for MySQL requirements, not merely because it is another hosted database.

Migration checklist

Audit extensions, row-level security, auth users, storage buckets, generated APIs, realtime subscriptions and edge functions. Test schema and data export on a staging project, then measure connection behavior from the application host. Keep Supabase when the value of the integrated system exceeds the benefit of splitting vendors.

Services

Firebase Google

Firebase is Google's mobile and web application development platform that helps you build, improve, and grow your app.

BaaS #database#auth#hosting

Free tier

Spark plan with generous limits

Pay-as-you-go · Multi-region

Visit Firebase
Neon NEW Neon Inc.

Neon is serverless Postgres. Neon separates storage and compute to offer autoscaling, branching, and bottomless storage.

Database #postgres#serverless#branching

Free tier

100 projects, 100 CU-hours/month per project, 0.5GB storage/project

Paid from $15/mo · Multi-region

Visit Neon

FAQ

What is the best free alternative to Supabase?

Neon is best when you want only PostgreSQL. Firebase is a fuller alternative for client-first apps. There is no universal replacement because Supabase combines several products.

Can I migrate Supabase Postgres to Neon?

Usually, because both use PostgreSQL, but extensions, auth schemas, storage metadata, realtime behavior and connection configuration need separate review.

When should I keep Supabase?

Keep it when auth, row-level security, generated APIs, storage and realtime work well together. Reassembling those pieces from separate vendors can add operational complexity.