# Apache CouchDB vs ArangoDB

**Leader by Vioscale score:** Apache CouchDB

| Attribute | Apache CouchDB | ArangoDB |
|---|---|---|
| **Vioscale score** | 54.4 (35% (low)) | 49 (42% (low)) |
| activity.commits_last_30d | 26 | 100 |
| adoption.dependent_repos | 0 | 0 |
| adoption.github_stars | 6,942 | 14,266 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | A multimodel database that unifies fragmented enterprise data into a graph-native foundation, serving as a context layer for AI agents, applications, and analytics workloads without requiring multiple specialized databases. |
| features.capabilities | `{"hosting":"both","data_model":"document","consistency":"eventual","replication":"leaderless","multi_region":true,"partitioning":"automatic","license_class":"permissive","change_streams":true,"secondary_indexes":"yes"}` | `{"hosting":"both","data_model":"multi_model","partitioning":"automatic","license_class":"source_available","vector_search":true,"secondary_indexes":"yes"}` |
| language.primary | Erlang | C++ |
| license.spdx | Apache-2.0 | - |
| platform.support | `{"ios":true,"web":true,"android":true}` | - |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://couchdb.apache.org","retrievedAt":"2026-08-14T11:09:10.445Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Community Edition","summary":"Free for non-commercial use, 100GB limit","components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free for non-commercial use up to 100GB data","contactSales":false,"includedLimits":{"data":"100GB"}},{"free":false,"name":"Enterprise Edition","summary":"Contact sales for pricing","contactSales":true}],"summary":"Free community edition with 100GB limit, Enterprise Edition available","freeTier":true,"sourceUrl":"https://www.arangodb.com","retrievedAt":"2026-08-13T23:03:30.634Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | low |
| pricing.transparent | yes | no |
| reliability.status_page | - | yes |
| security.scorecard | 7.2 | 7.3 |
| 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}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Farangodb%2Farangodb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (NoSQL Databases)

| Capability | Apache CouchDB | ArangoDB |
|---|:--:|:--:|
| **Core** |  |  |
| Data model | Document | Multi-model |
| **Query** |  |  |
| Query language | - | - |
| **Consistency** |  |  |
| Consistency | Eventual | - |
| **Transactions** |  |  |
| Transactions | - | - |
| **Indexing** |  |  |
| Secondary indexes | Yes | Yes |
| **Scale** |  |  |
| Partitioning / sharding | Automatic | Automatic |
| Multi-region | ✓ | - |
| **Replication** |  |  |
| Replication topology | Leaderless | - |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud + self-hosted |
| **Schema** |  |  |
| Schema | - | - |
| **Features** |  |  |
| TTL / auto-expiry | - | - |
| Change streams / CDC | ✓ | - |
| Vector / search built-in | - | ✓ |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Source-available (SSPL/BSL) |

*Source: Vioscale. Generated 2026-09-01T17:13:07.205Z. "-" = undocumented, not absent.*
