PlanetScale Serverless MySQL vs Supabase Identity & Authentication Database

PlanetScale Serverless MySQL vs Supabase Identity & Authentication Specs
  • Free Tier Allowance
  • Rate Limit Cap
  • Session Lifetime
  • Overage Fee per 1k MAU
Comparison chart between PlanetScale Serverless MySQL and Supabase Identity & Authentication raw data
MetricPlanetScale Serverless MySQLSupabase Identity & Authentication
Free Tier Allowance5 GB50,000 MAU
Rate Limit Cap1,000 Connections10,000 RPM
Session Lifetime8 Hours24 Hours
Overage Fee per 1k MAU1.5 USD/GB$0
Deploy PlanetScale MySQL
👉 5 GB Free Storage • Zero-Downtime Schema Migrations
Deploy Supabase Stack
👉 50,000 Free MAU • Open-Source Firebase Alternative
PlanetScale Serverless MySQL
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
Supabase Identity & Authentication
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
PlanetScale Serverless MySQL
Use deploy requests and shadow tables to validate schema migrations without locking production write traffic.
Supabase Identity & Authentication

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