Three managed-database platforms head-to-head — full Postgres backend, serverless Postgres, and serverless MySQL — pick the one whose engine and scope match your stack.
Pick Supabase when you want Postgres plus auth, storage, and edge functions under one roof with a credible self-host path. Pick Neon when you only need the database — serverless Postgres with branching that scales to zero — and you'll wire up auth and storage separately. Pick PlanetScale when MySQL is the requirement, you expect heavy write traffic, and you want their Vitess-backed schema-change workflow.
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| Attribute | Supabase | Neon | PlanetScale |
|---|---|---|---|
| Category | Database | Database | Database |
| Pricing Model | freemium | freemium | paid |
| Starting Price | Free / $25/mo | Free / $19/mo | $39/mo |
| Free Tier | Yes | Yes | No |
| Open Source | Yes | Yes | No |
| Platforms | web, postgres, edge | web, api | web, api |
Database
MongoDB Atlas vs Supabase