How to choose between Supabase, PlanetScale, and Neon for Vercel projects

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Context

Hi everyone,

As more teams deploy applications on Vercel, the choice of database integration becomes critical. The marketplace offers integrations like Supabase, PlanetScale, and Neon, each with different strengths. Understanding which one to use for a given project can save time, cost, and complexity.

Problem Description

  • Supabase provides a Postgres database with built-in auth, storage, and APIs. Great for full-stack apps but sometimes heavy if you only need raw database access.
  • PlanetScale offers a serverless MySQL solution with branching and schema management. Excellent for scaling but requires adapting to MySQL conventions.
  • Neon focuses on Postgres with modern features like branching and autoscaling. Lightweight and developer-friendly, but newer in ecosystem maturity.
  • Our challenge: deciding which integration aligns best with a marketplace-style app that needs real-time updates, scalability, and developer velocity.

Discussion Points

  • How do you evaluate Supabase vs PlanetScale vs Neon in terms of performance and scalability?
  • Which integration offers the best developer experience when paired with frameworks like Next.js or Nuxt?
  • Are there hidden costs (e.g., query limits, storage pricing) that teams should be aware of?
  • How do these integrations handle connection pooling and edge function compatibility?
  • In production, is it better to prioritize feature-rich platforms (Supabase) or lean, specialized databases (PlanetScale/Neon)?

Architectural Considerations

  • Supabase: All-in-one solution, great for rapid prototyping, but may introduce lock-in.
  • PlanetScale: Strong scaling story, especially for global apps, but requires MySQL expertise.
  • Neon: Modern Postgres with branching, ideal for CI/CD workflows, but ecosystem is still growing.
  • Vercel Integration UX: Marketplace integrations should be consistent — environment variables, account linking, and project-level visibility often differ between providers.

Looking forward to your insights.

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