Amazon DocumentDB
7.1#5 in document databasesWebAPI
VisitAmazon DocumentDB vs Firestore
What both publish
| Fact | Amazon DocumentDB | Firestore |
|---|---|---|
| Documentation depth | AWS publishes a developer guide, API reference, CLI reference, compatibility tables, quotas, tutorials, migration tools and SDK code examples. | The documentation set includes developer guides, API references, source repositories, issue trackers, Stack Overflow links, samples, and library integrations. |
| Free plan | No | Yes |
| Integrations | DocumentDB integrates with CloudWatch metrics and alarms, AWS Lambda change-stream event sources, IAM, KMS, AWS Backup and OpenSearch zero-ETL pipelines. | The product page names Google AI Studio, remote MCP, LangChain, and LlamaIndex integrations for building generative AI applications. |
| MongoDB compatibility | Engine 8.0 supports MongoDB API drivers for versions 6.0, 7.0 and 8.0, and adds views and collation support. | Firestore provides a MongoDB-compatible API and supports MongoDB client tools such as mongosh, mongoimport, and Compass. |
| Rating on G2 | 4.3 out of 5 from 44 reviews | 4.2 out of 5 from 97 reviews. |
| Rating on Gartner Peer Insights | 4.3 out of 5 from 15 ratings | 4.0 out of 5 from 6 ratings. |
| Rating on TrustRadius | 5.1 out of 10 from 9 reviews | 10 out of 10 for a Firebase review that specifically uses Firestore. |
Amazon DocumentDB plans
- Serverless — Standard—
- Serverless — I/O-Optimized—
- Provisioned On-Demand — Standard—
- Provisioned On-Demand — I/O-Optimized—
- Amazon DocumentDB free trialFree
- Free trialFree
Firestore plans
- Standard edition — document reads—
- Standard edition — document writes—
- Standard edition — document deletes—
- Standard edition — stored data—
- Free quotaFree
- Standard edition pay-as-you-go$0.03 a month
Pick Amazon DocumentDB if…
It suits teams building cloud applications that use MongoDB APIs and need managed document storage, scaling, replicas, or vector search. It also fits listed content, commerce, mobile, web, and generative-AI use cases.
Pick Firestore if…
Firestore suits developers building AI, web, or mobile applications who need a managed document database. It is also relevant to teams needing real-time client updates or offline syncing.