MongoDB Atlas vs Aiven for PostgreSQL

MongoDB Atlas8.9Visit Aiven for PostgreSQL8.8Visit

Higher score MongoDB Atlas #6 in Managed Database Hosting 8.9/10 Free plan Free plan✓ 0 of 3 features Visit MongoDB Atlas

vs

Aiven for PostgreSQL #7 in Managed Database Hosting 8.8/10 Free plan Free plan✓ 2 of 3 features Visit Aiven

• MongoDB Atlas fits best

  Teams building managed document workloads

• Aiven for PostgreSQL fits best

  PostgreSQL teams seeking low-cost managed hosting

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Side by side

Feature	MongoDB Atlas 8.9/10 Visit ↗	Aiven for PostgreSQL 8.8/10 Visit ↗
At a glance
Editor score	8.9	8.8
Ranking	#6 in Managed Database Hosting	#7 in Managed Database Hosting
Best for	Teams building managed document workloads	PostgreSQL teams seeking low-cost managed hosting
Pricing model	Free plan + paid	Free plan + paid
Starting price	$8/mo	$5/mo (best)
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Tickets, Docs, Email
Compliance	SOC 2, ISO 27001, SSO/SAML	SOC 2, GDPR, 2FA
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features MongoDB Atlas 0/3 · Aiven for PostgreSQL 2/3
High availability	Not checked yet	✓ (best)
Point-in-time recovery	Not checked yet	Not checked yet
Read replicas	Not checked yet	✓ (best)
Specs
Database type	Not checked yet	Not checked yet
Scaling model	Not checked yet	Not checked yet
Backup retention	Not checked yet	Not checked yet
Our review
Pros	Free plan with 512 MB storage and shared RAM and vCPU Multi-cloud and multi-region deployments across major cloud providers Transactions, autoscaling, backups, search, and vector search	Free plan with no time limit and a $5/month Developer tier Managed patching, scaling, backups, monitoring, and failover options API, Terraform, CLI, Kubernetes, and Aiven service integrations
Cons	Usage-based pricing varies by provider, region, and configuration Free tier is limited to 512 MB storage Dedicated tier requires paid capacity for production workloads	Free and Developer plans use a single node or VM Free plan includes only 1 GB RAM and 1 GB disk storage Higher availability features begin on the Business plan
Our verdict	MongoDB Atlas is a fully managed cloud database service for developers and engineering teams building applications with MongoDB’s BSON document model. It hosts database clusters on Amazon Web Services, Google Cloud, and Microsoft Azure,… Read the review →	Aiven for PostgreSQL is a fully managed, cloud-hosted relational database service based on open-source PostgreSQL. It is aimed at teams that want Aiven to handle provisioning, maintenance, patching, scaling, backups, monitoring, and… Read the review →

Strengths and trade-offs

• MongoDB Atlas — where it wins

  • Free plan with 512 MB storage and shared RAM and vCPU
  • Multi-cloud and multi-region deployments across major cloud providers
  • Transactions, autoscaling, backups, search, and vector search

  Where it doesn't

  • Usage-based pricing varies by provider, region, and configuration
  • Free tier is limited to 512 MB storage
  • Dedicated tier requires paid capacity for production workloads

• Aiven for PostgreSQL — where it wins

  • Free plan with no time limit and a $5/month Developer tier
  • Managed patching, scaling, backups, monitoring, and failover options
  • API, Terraform, CLI, Kubernetes, and Aiven service integrations

  Where it doesn't

  • Free and Developer plans use a single node or VM
  • Free plan includes only 1 GB RAM and 1 GB disk storage
  • Higher availability features begin on the Business plan

• MongoDB Atlas8.9/10 · Free plan

  A managed MongoDB service for teams building document-based applications.

  Visit MongoDB AtlasFull verdict →
• Aiven for PostgreSQL8.8/10 · Free plan

  A low-cost managed PostgreSQL service with useful automation and cloud tooling.

  Visit AivenFull verdict →