---
lang: en
title: PlanetScale Serverless MySQL vs Supabase Managed Postgres
canonical: "https://saasspecs.com/planetscale-vs-supabase-db/"
hvce_version: 1
tenant: saasspecs
slug: planetscale-vs-supabase-db
record_kind: comparison
content_sha256: 81cd175e6bc87246d22ca2c5407c5002816f78bb715fcc1240132fb38484c6f4
indexed_at: "2026-06-15T06:32:32.875Z"
license: citation-free
entities:
  -
    role: a
    slug: planetscale
    name: PlanetScale Serverless MySQL
    type: Thing
    profile_url: "https://saasspecs.com/item/planetscale/?format=md"
  -
    role: b
    slug: supabase-db
    name: Supabase Managed Postgres
    type: Thing
    profile_url: "https://saasspecs.com/item/supabase-db/?format=md"
---
# PlanetScale Serverless MySQL vs Supabase Managed Postgres

## Pair

- **A**: PlanetScale Serverless MySQL
- **B**: Supabase Managed Postgres

## Entity A

- **Title**: [PlanetScale Serverless MySQL](https://saasspecs.com/item/planetscale/?format=md)
- **Schema type**: Corporation
- **Website**: https://planetscale.com
- **Email**: support@planetscale.com
- **Address**: 548 Howard Street, San Francisco, California, 94105, United States
- **Coordinates**: 37.7879, -122.3971
- **Deployment Link**: [Deploy PlanetScale Serverless MySQL Stack Layer](https://planetscale.com/pricing)

### Summary

Horizontally scalable MySQL-compatible database with non-blocking schema changes and git-style branch workflows.

### Description

PlanetScale delivers Vitess-powered MySQL with deploy requests for safe migrations, read replicas, and automatic query caching at the edge. Teams branch databases like code to test schema changes before production merge.

### Expert insight

Use deploy requests and shadow tables to validate schema migrations without locking production write traffic.

### Attributes

- **Free Tier Allowance**: 5 GB
- **Rate Limit Cap**: 1,000 Connections
- **Session Lifetime**: 8 Hours
- **Overage Fee per 1k MAU**: 1.5 USD/GB
- **MFA Support**: Enforced via PlanetScale organization two-factor authentication
- **Enterprise SSO SAML**: Supported on Enterprise plans with SAML SSO and audit logging
- **Custom Domain Support**: Private connectivity via AWS PrivateLink and custom host routing on paid tiers
- **Supported SDKs**: MySQL wire protocol, Prisma, Drizzle, Rails, Laravel, Node.js mysql2
- **Social Providers**: GitHub OAuth for organization login and deploy request automation
- **Compliance Standards**: SOC 2 Type II, GDPR; HIPAA and PCI available on Enterprise
- **Webhook Fallback Policy**: Deploy request webhooks with configurable retry via external automation hooks

## Entity B

- **Title**: [Supabase Managed Postgres](https://saasspecs.com/item/supabase-db/?format=md)
- **Schema type**: Corporation
- **Website**: https://supabase.com
- **Email**: support@supabase.io
- **Address**: 85 Harrison St, San Francisco, California, 94105, United States
- **Coordinates**: 37.7833, -122.3999
- **Deployment Link**: [Deploy Supabase Managed Postgres Stack Layer](https://supabase.com/dashboard/new/database)

### Summary

Fully managed PostgreSQL with realtime replication, row-level security, and edge-friendly connection pooling.

### Description

Supabase Database layers a production-grade Postgres cluster behind automatic backups, point-in-time recovery, and PostgREST APIs. Developers ship relational schemas with native SQL migrations and optional realtime broadcast channels.

### Expert insight

Enable connection pooling via Supavisor on port 6543 to stay within direct connection limits during serverless traffic spikes.

### Attributes

- **Free Tier Allowance**: 500 MB
- **Rate Limit Cap**: 60 Connections
- **Session Lifetime**: 24 Hours
- **Overage Fee per 1k MAU**: 0.13 USD/GB
- **MFA Support**: Enforced via Supabase dashboard and organization SSO policies
- **Enterprise SSO SAML**: Available on Team and Enterprise plans with SAML directory federation
- **Custom Domain Support**: Custom domains for API and Studio via project settings and DNS records
- **Supported SDKs**: JavaScript, TypeScript, Python, Dart, Swift, Kotlin, Go, C#
- **Social Providers**: GitHub OAuth for project provisioning; auth providers via Supabase Auth
- **Compliance Standards**: SOC 2 Type II, GDPR, HIPAA available on Enterprise agreements
- **Webhook Fallback Policy**: Database webhooks with retry via Edge Functions or external queue consumers

## Facts (machine-readable)

| axis | unit | a_value | b_value | a_display | b_display |
| --- | --- | --- | --- | --- | --- |
| Free Tier Allowance | GB | 5 | 500 | 5 GB | 500 MB |
| Rate Limit Cap | Connections | 1000 | 60 | 1,000 Connections | 60 Connections |
| Session Lifetime | Hours | 8 | 24 | 8 Hours | 24 Hours |
| Overage Fee per 1k MAU | USD/GB | 1.5 | 0.125 | 1.5 USD/GB | 0.13 USD/GB |

## Metrics

- **Free Tier Allowance**: 5 GB / 500 MB
- **Rate Limit Cap**: 1,000 Connections / 60 Connections
- **Session Lifetime**: 8 Hours / 24 Hours
- **Overage Fee per 1k MAU**: 1.5 USD/GB / 0.13 USD/GB

## Comparison context

This comparison covers the following catalog entities:

- [PlanetScale Serverless MySQL](https://saasspecs.com/item/planetscale/?format=md) (a)
- [Supabase Managed Postgres](https://saasspecs.com/item/supabase-db/?format=md) (b)