---
source_url: "https://www.jusdb.com/blog/supabase-vs-planetscale-vs-neon-serverless-database-comparison-2025"
title: "Supabase vs PlanetScale vs Neon: Serverless… | JusDB Blog"
mirrored_at: 2026-08-10T13:04:36.361Z
host: www.jusdb.com
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/www.jusdb.com/blog/supabase-vs-planetscale-vs-neon-serverless-database-comparison-2025"
---

> **Original source:** https://www.jusdb.com/blog/supabase-vs-planetscale-vs-neon-serverless-database-comparison-2025

Serverless databases promised to eliminate DBA work — and for startups shipping at speed, they've delivered. But when you're at Series B with 50M rows and unpredictable traffic spikes, the billing surprises and cold start latency start mattering. Here's an honest comparison of the three leading serverless-first platforms in 2025.

**TL;DR**

-   Supabase: Best full-stack platform — Postgres + auth + storage + real-time in one
-   PlanetScale: Best for MySQL teams needing schema deployments without downtime
-   Neon: Best pure Postgres with serverless branching and the fastest cold starts
-   All three have connection pooling limitations at high concurrency — plan for pgBouncer/ProxySQL

* * *

### Supabase

Supabase wraps PostgreSQL with a batteries-included developer platform: row-level security, auto-generated REST and GraphQL APIs, Auth, Storage, Edge Functions, and Realtime subscriptions. The underlying Postgres instance runs on dedicated infrastructure (not serverless compute), which means no cold starts for queries.

### PlanetScale

PlanetScale is MySQL-compatible, built on Vitess (YouTube's database sharding layer). Its headline feature is non-blocking schema changes and branching — deploy DDL migrations like Git branches, merge them without table locks. In 2024 PlanetScale removed its free tier and pivoted upmarket.

### Neon

Neon separates Postgres compute from storage using a custom WAL-based storage layer. This enables true serverless scaling: compute scales to zero when idle (cold start ~500ms), instant database branching from any point in history, and pay-per-compute-second billing.

Feature

Supabase

PlanetScale

Neon

Database engine

PostgreSQL 15/16

MySQL 8.0 (Vitess)

PostgreSQL 16/17

Serverless compute

No (dedicated)

Serverless

Yes (scale-to-zero)

Cold start

None

~100ms

~500ms

Database branching

No

Yes (schema only)

Yes (data + schema)

Max connections (base)

60

1000

100 (pooled)

Storage pricing

$0.125/GB/mo

$1.50/GB/mo

$0.023/GB/mo

Free tier (2025)

Yes (500MB)

No

Yes (512MB)

### Supabase Connection Limits

```
# Supabase uses pgBouncer in transaction mode
# Always use the pooled connection string for apps:
# postgresql://user:pass@db.xxx.supabase.co:6543/postgres?pgbouncer=true

# Direct connection (migrations/admin only):
# postgresql://user:pass@db.xxx.supabase.co:5432/postgres

# Monitor active connections:
psql -c "SELECT count(*), state FROM pg_stat_activity GROUP BY state;"
```

### Neon Branching for Development

```
# Install Neon CLI
npm install -g neonctl

# Create a branch from production (instant, copy-on-write)
neonctl branches create --name feature/new-schema --parent main

# Run migrations against branch
DATABASE_URL=$(neonctl connection-string feature/new-schema) \
  npx prisma migrate dev

# Delete branch when done
neonctl branches delete feature/new-schema
```

### PlanetScale Schema Deployments

```
# Create a branch for schema change
pscale branch create mydb add-user-index

# Connect and make changes
pscale shell mydb add-user-index

# Create deploy request (like a PR for schema changes)
pscale deploy-request create mydb add-user-index

# Deploy without locking the production table
pscale deploy-request deploy mydb 1
```

**Warning**

PlanetScale does not support foreign key constraints on its Vitess-backed plans. If your schema relies on FK enforcement at the database level, you'll need to handle referential integrity in application code.

Platform

Est. Monthly Cost

Notes

Supabase Pro

~$350

Fixed compute + storage overage

PlanetScale Scale

~$850

Per-row read/write pricing adds up

Neon Business

~$290

Serverless compute saves cost if traffic is bursty

Self-hosted RDS

~$650

db.r6g.xlarge + Multi-AZ + storage

**Key Takeaways**

-   Choose Supabase when you need a full backend platform with auth, storage, and real-time — not just a database.
-   Choose Neon when you're a Postgres-only team that wants true serverless scaling and instant database branching for CI/CD.
-   Choose PlanetScale when you're a MySQL shop that needs non-blocking schema deployments and Vitess-level horizontal scale.
-   All three platforms have connection limits that require connection pooling in production — design for this from day one.

## Working with JusDB on Serverless Databases

JusDB helps teams evaluate and migrate to serverless database platforms. We handle connection pool configuration, schema migration planning, and ongoing query optimization so your serverless database performs like a tuned dedicated cluster.

[Explore JusDB Cloud Database Services →](https://www.jusdb.com/cloud/aws)  |  [Talk to a DBA](https://www.jusdb.com/contact)

**Related reading:**

-   [pgvector 0.8: PostgreSQL Vector Search](https://www.jusdb.com/blog/pgvector-0-8-postgresql-vector-search-production-guide)
-   [Database Connection Management](https://www.jusdb.com/blog/database-connection-management-pgbouncer-proxysql-2025)
-   [PostgreSQL 17: New Features](https://www.jusdb.com/blog/postgresql-17-new-features-every-dba-should-know)