MongoDB Atlas Cloud vs Supabase Managed Postgres Database

MongoDB Atlas Cloud vs Supabase Managed Postgres Specs
  • Free Tier Allowance
  • Rate Limit Cap
  • Session Lifetime
  • Overage Fee per 1k MAU
Comparison chart between MongoDB Atlas Cloud and Supabase Managed Postgres raw data
MetricMongoDB Atlas CloudSupabase Managed Postgres
Free Tier Allowance512 MB500 MB
Rate Limit Cap100 Connections60 Connections
Session Lifetime12 Hours24 Hours
Overage Fee per 1k MAU0.25 USD/GB0.13 USD/GB
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
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
MongoDB Atlas Cloud
Enable Atlas Search and compound indexes early for catalog filters before traffic scales past the M10 connection tier.
Supabase Managed Postgres
Enable connection pooling via Supavisor on port 6543 to stay within direct connection limits during serverless traffic spikes.