# Amazon DynamoDB vs Apache CouchDB

**Leader by Vioscale score:** Amazon DynamoDB

| Attribute | Amazon DynamoDB | Apache CouchDB |
|---|---|---|
| **Vioscale score** | 60.4 (72% (medium)) | 54.4 (35% (low)) |
| activity.commits_last_30d | - | 26 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 6,942 |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A cloud-native database service that scales instantly to handle any workload size while maintaining millisecond response times, requiring no server provisioning or maintenance, with built-in capabilities for AI applications including native vector search and global multi-region replication. | An open-source document database built for distributed deployments with native replication capabilities. It enables offline-first applications to maintain data synchronization across servers, mobile devices, and browsers without manual configuration. |
| features.capabilities | `{"schema":"schemaless","hosting":"cloud","data_model":"document","consistency":"strong","replication":"active_active","multi_region":true,"partitioning":"automatic","license_class":"proprietary","vector_search":true,"change_streams":true,"query_language":"key_only","secondary_indexes":"yes"}` | `{"hosting":"both","data_model":"document","consistency":"eventual","replication":"leaderless","multi_region":true,"partitioning":"automatic","license_class":"permissive","change_streams":true,"secondary_indexes":"yes"}` |
| integrations.count | 10 | - |
| integrations.list | `[{"name":"AWS Lambda"},{"name":"Amazon OpenSearch Service"},{"name":"Amazon SageMaker"},{"name":"Amazon Redshift"},{"name":"Amazon S3 Tables"},{"name":"DynamoDB Accelerator (DAX)"},{"name":"AWS Key Management Service (KMS)"},{"name":"AWS Identity and Access Management (IAM)"},{"name":"AWS CloudWatch"},{"name":"AWS PrivateLink"}]` | - |
| language.primary | - | Erlang |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"usage","summary":"Pay-as-you-go model. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/pricing/?nc2=h_pr_pr","retrievedAt":"2026-08-14T11:06:10.784Z","billingPeriods":["month"]}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://couchdb.apache.org","retrievedAt":"2026-08-14T11:09:10.445Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| reliability.sla_pct | 99.999 | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |
| security.scorecard | - | 7.2 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=conda&package_name=couchdb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (NoSQL Databases)

| Capability | Amazon DynamoDB | Apache CouchDB |
|---|:--:|:--:|
| **Core** |  |  |
| Data model | Document | Document |
| **Query** |  |  |
| Query language | Key API only | - |
| **Consistency** |  |  |
| Consistency | Strong | Eventual |
| **Transactions** |  |  |
| Transactions | - | - |
| **Indexing** |  |  |
| Secondary indexes | Yes | Yes |
| **Scale** |  |  |
| Partitioning / sharding | Automatic | Automatic |
| Multi-region | ✓ | ✓ |
| **Replication** |  |  |
| Replication topology | Active-active | Leaderless |
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud + self-hosted |
| **Schema** |  |  |
| Schema | Schemaless | - |
| **Features** |  |  |
| TTL / auto-expiry | - | - |
| Change streams / CDC | ✓ | ✓ |
| Vector / search built-in | ✓ | - |
| **Licensing** |  |  |
| Licence class | Proprietary | Permissive OSS |

*Source: Vioscale. Generated 2026-09-01T17:20:26.311Z. "-" = undocumented, not absent.*