---
lang: en
title: "PlanetScale Serverless MySQL vs Supabase Identity & Authentication"
canonical: "https://saasspecs.com/planetscale-vs-supabase/"
hvce_version: 1
tenant: saasspecs
slug: planetscale-vs-supabase
record_kind: comparison
content_sha256: b81d3de09da6ed125185cca1d84efa9cf200c2d8dcb18eaa3e18af400a53a8bf
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
    name: "Supabase Identity & Authentication"
    type: Thing
    profile_url: "https://saasspecs.com/item/supabase/?format=md"
---
# PlanetScale Serverless MySQL vs Supabase Identity & Authentication

## Pair

- **A**: PlanetScale Serverless MySQL
- **B**: Supabase Identity & Authentication

## 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 Identity & Authentication](https://saasspecs.com/item/supabase/?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 Identity & Authentication Stack Layer](https://partner.supabase.com/your-affiliate-id)

### Summary

An open-source Firebase alternative utilizing a highly scalable PostgreSQL metadata engine.

### Description

Supabase Auth provides a robust authentication layer built on GoTrue. It scales smoothly up to high-volume user tiers without custom backend code infrastructure.

### Attributes

- **Free Tier Allowance**: 50,000 MAU
- **Rate Limit Cap**: 10,000 RPM
- **Session Lifetime**: 24 Hours
- **Overage Fee per 1k MAU**: $0
- **MFA Support**: TOTP, WebAuthn, Phone SMS
- **Enterprise SSO SAML**: Available on Pro & Enterprise tiers via custom identity mapping
- **Custom Domain Support**: Available on Pro Tier ($20/mo) with full SSL configuration
- **Supported SDKs**: Next.js, React, Vue, Svelte, Node, Python, Go, Flutter, Swift
- **Social Providers**: Google, GitHub, Apple, Discord, GitLab, Bitbucket, Twitter
- **Compliance Standards**: SOC2 Type II, GDPR, HIPAA Compliant (with BAA agreement)
- **Webhook Fallback Policy**: Exponential backoff up to 24 hours with automatic failure truncation

## Facts (machine-readable)

| axis | unit | a_value | b_value | a_display | b_display |
| --- | --- | --- | --- | --- | --- |
| Free Tier Allowance | GB | 5 | 50000 | 5 GB | 50,000 MAU |
| Rate Limit Cap | Connections | 1000 | 10000 | 1,000 Connections | 10,000 RPM |
| Session Lifetime | Hours | 8 | 24 | 8 Hours | 24 Hours |
| Overage Fee per 1k MAU | USD/GB | 1.5 | 0.003 | 1.5 USD/GB | 0 USD |

## Metrics

- **Free Tier Allowance**: 5 GB / 50,000 MAU
- **Rate Limit Cap**: 1,000 Connections / 10,000 RPM
- **Session Lifetime**: 8 Hours / 24 Hours
- **Overage Fee per 1k MAU**: 1.5 USD/GB / 0 USD

## Comparison context

This comparison covers the following catalog entities:

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