MongoDB Atlas Cloud vs Supabase Managed Postgres Database

MongoDB Atlas Cloud vs Supabase Managed Postgres Specs
Deploy MongoDB Atlas
👉 Free M0 Shared Cluster • 512 MB Storage
Deploy Supabase Postgres
👉 500 MB Managed Postgres • Full pgvector Support

MongoDB Atlas Cloud

MFA Support
Enforced via MongoDB Cloud Organization MFA and federated identity
Enterprise SSO SAML
Supported on M10+ and Enterprise with SAML, OIDC, and LDAP federation
Custom Domain Support
Private endpoints via AWS PrivateLink, Azure VNet, and GCP VPC peering
Supported SDKs
Node.js, Python, Java, Go, C#, Rust, PHP, Ruby, Swift, Kotlin
Social Providers
Google, GitHub, and corporate SSO for Atlas organization login
Compliance Standards
SOC 2 Type II, ISO 27001, HIPAA, PCI-DSS, GDPR, FedRAMP (Atlas for Government)
Webhook Fallback Policy
Atlas Triggers and EventBridge integrations with configurable retry policies
Insight: MongoDB Atlas Cloud
Enable Atlas Search and compound indexes early for catalog filters before traffic scales past the M10 connection tier.

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.