Amazon DynamoDB
Amazon DynamoDB: A mature AWS database for scalable key-value and document workloads. Ranked #1 of 31 in Key-Value Databases by our editors (9.3/10); pricing: Free plan; best for managed, scalable AWS key-value workloads.
At a glance
- Editor score9.3 / 10
- PricingFree plan
- Best forManaged, scalable AWS key-value workloads
- Free planYes
- Deployment modelCloud
- Facts checked22 Sep 2026
Where it wins
- Supports key-value and document data models with automatic scaling
- Offers multi-Region global tables, transactions, recovery, and backups
- Connects with Lambda, S3, Kinesis Data Streams, Athena, and SageMaker
Where it doesn't
- Usage-based billing may be less predictable than fixed paid plans
- Cloud deployment and AWS service integration may limit portability
- Items have a documented maximum size of 400 KB
Our verdict on Amazon DynamoDB
Amazon DynamoDB is a serverless, fully managed NoSQL database for applications built around key-value or document data models. It is intended for operational workloads such as user profiles, shopping carts, session stores, gaming data, and IoT telemetry. Applications can access it through DynamoDB APIs, PartiQL, or the AWS CLI, with web and API use supported. Its automatic scaling and two capacity modes make it suitable for teams that want managed infrastructure rather than database server administration.
DynamoDB follows a freemium model with a free plan and usage-based billing rather than fixed paid tiers. On-demand capacity is available for workloads that need automatic scaling without capacity planning, while provisioned capacity provides another operating mode. The feature set includes Time to Live expiration, ACID transactions, point-in-time recovery, backups, DynamoDB Streams change data capture, and native vector search. These capabilities give it a broad operational scope, although the 400 KB maximum item size should be considered when modeling larger records.
Its strongest fit is within an AWS-centered application stack. Integrations include AWS Lambda, Amazon S3, Amazon Kinesis Data Streams, Amazon Athena, Amazon SageMaker, AWS Backup, AWS IAM, and AWS KMS. Multi-Region, multi-active global tables support geographically distributed deployments, while disk persistence and cloud deployment define its infrastructure model. Choose DynamoDB when managed scaling, AWS integration, and key-value or document access are priorities. Consider another database when fixed-tier pricing, open-source deployment, or records larger than 400 KB are central requirements.
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Amazon DynamoDB pricing
All 3 Amazon DynamoDB plans and prices →
Amazon DynamoDB fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Deployment model | Cloud |
| Maximum value size | 0.4 MB |
| Persistence modes | Disk |
| TTL support | Yes |
| Clustering support | Not verified |
| Multi-region support | Yes |
| Supported protocols | HTTP(S), JSON, PartiQL |
| Deployment | Cloud |
| Platforms | Web, Windows, macOS, Linux, iOS, Android |
| Compliance & security | SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS |
| Support | Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 2 integrations: Amazon S3, AWS Backup |
| Pricing | Free plan (source) |
| Website | aws.amazon.com |
| Facts checked | 22 Sep 2026 |
Amazon DynamoDB integrations
Amazon DynamoDB lists 2 integrations on its own site.
- Amazon S3
- AWS Backup
Alternatives to Amazon DynamoDB
- Aerospike DatabaseA strong fit for high-scale, consistency-sensitive workloads across hybrid environments.9.1
- Google Cloud BigtableA scalable Bigtable service for analytical workloads, with broad integrations and usage-based pricing.9.0
- FoundationDBA self-hosted key-value database for strict multi-key transactions and ordered reads.8.9
See all Amazon DynamoDB alternatives →
Amazon DynamoDB vs the competition
- Amazon DynamoDB vs Aerospike Database
- Amazon DynamoDB vs Google Cloud Bigtable
- Amazon DynamoDB vs FoundationDB
- Amazon DynamoDB vs Oracle NoSQL Database
- Amazon DynamoDB vs Amazon MemoryDB
- Amazon DynamoDB vs etcd
Compare Amazon DynamoDB with any tool side by side →
Also Ranked In
Amazon DynamoDB is ranked in 8 of our directories; the 6 strongest besides Key-Value Databases.
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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