MongoDB Atlas vs Couchbase Capella

MongoDB Atlas9.4Visit Couchbase Capella8.8Visit

Higher score MongoDB Atlas #1 in Document Databases 9.4/10 Free plan Free plan✓ 3 of 3 features Visit MongoDB Atlas

vs

Couchbase Capella #5 in Document Databases 8.8/10 Free plan Free plan✓ 3 of 3 features Visit Couchbase

• MongoDB Atlas fits best

  Managed, production-grade multi-cloud databases

• Couchbase Capella fits best

  Managed JSON and key-value workloads

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Side by side

Feature	MongoDB Atlas 9.4/10 Visit ↗	Couchbase Capella 8.8/10 Visit ↗
At a glance
Editor score	9.4	8.8
Ranking	#1 in Document Databases	#5 in Document Databases
Best for	Managed, production-grade multi-cloud databases	Managed JSON and key-value workloads
Pricing model	Free plan + paid	Free plan + paid
Starting price	$8/mo	$0.15/unit usage-based
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Community, Tickets, Docs · 24/7
Compliance	SOC 2, ISO 27001, SSO/SAML	SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS
Integrations	16 integrations	10 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features MongoDB Atlas 3/3 · Couchbase Capella 3/3
Managed cloud	✓	✓
Transactions	✓	✓
Vector search	✓	✓
Specs
Deployment model	Cloud	Cloud
Document formats	BSON, JSON	JSON, Binary, CSV, TSV, JSONL
Maximum document size	16 MB	20 MB (best)
Our review
Pros	Multi-cloud and multi-region deployment options Built-in transactions, search, and vector search Managed scaling, backups, monitoring, and restores	Free tier includes SQL++, search, RBAC, and 8 GB Paid plans add backups, vector search, Analytics, and Eventing App Services supports mobile and IoT synchronization
Cons	Pricing varies by provider, region, and configuration Flex uses shared RAM and vCPU Dedicated plans start at $0.08 per hour	Paid pricing varies by provider, region, node size, and data transfer Free tier is limited to one node and 8 GB Advanced support and uptime commitments require paid tiers
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 →	Couchbase Capella is a fully managed, multicloud NoSQL database service for teams building and operating modern applications. It stores JSON documents, supports key-value access and SQL++ querying, and adds search, indexing, ACID… Read the review →

Strengths and trade-offs

• MongoDB Atlas — where it wins

  • Multi-cloud and multi-region deployment options
  • Built-in transactions, search, and vector search
  • Managed scaling, backups, monitoring, and restores

  Where it doesn't

  • Pricing varies by provider, region, and configuration
  • Flex uses shared RAM and vCPU
  • Dedicated plans start at $0.08 per hour

• Couchbase Capella — where it wins

  • Free tier includes SQL++, search, RBAC, and 8 GB
  • Paid plans add backups, vector search, Analytics, and Eventing
  • App Services supports mobile and IoT synchronization

  Where it doesn't

  • Paid pricing varies by provider, region, node size, and data transfer
  • Free tier is limited to one node and 8 GB
  • Advanced support and uptime commitments require paid tiers

• MongoDB Atlas9.4/10 · Free plan

  A managed MongoDB platform for production applications across cloud providers and regions.

  Visit MongoDB AtlasFull verdict →
• Couchbase Capella8.8/10 · Free plan

  A flexible managed NoSQL service with a free tier and clear hourly upgrades.

  Visit CouchbaseFull verdict →