MongoDB Atlas Cloud vs PlanetScale Serverless MySQL Database

MongoDB Atlas Cloud vs PlanetScale Serverless MySQL Specs
Deploy MongoDB Atlas
👉 Free M0 Shared Cluster • 512 MB Storage
Deploy PlanetScale MySQL
👉 5 GB Free Storage • Zero-Downtime Schema Migrations

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.

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.