PlanetScale Serverless MySQL vs Supabase Managed Postgres Database

PlanetScale Serverless MySQL vs Supabase Managed Postgres Specs
Deploy PlanetScale MySQL
👉 5 GB Free Storage • Zero-Downtime Schema Migrations
Deploy Supabase Postgres
👉 500 MB Managed Postgres • Full pgvector Support

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
Insight: PlanetScale Serverless MySQL
Use deploy requests and shadow tables to validate schema migrations without locking production write traffic.

Supabase Managed Postgres

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
Insight: Supabase Managed Postgres
Enable connection pooling via Supavisor on port 6543 to stay within direct connection limits during serverless traffic spikes.