# Azure Container Registry vs Zot

**Leader by vioscaleAI score:** Azure Container Registry

| Attribute | Azure Container Registry | Zot |
|---|---|---|
| **vioscaleAI score** | 61.5 (51% (medium)) | 53.6 (75% (high)) |
| activity.commits_last_30d | - | 67 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 2,865 |
| content.faq | `[{"answer":"A cloud service that stores and manages container images in Docker and OCI-compliant formats, with support for various OCI artifact types. It is indexed under Container Registries.","source":"https://azure.microsoft.com/en-us/pricing/offers/hybrid-benefit/","question":"What is Azure Container Registry?","confidence":0.6},{"answer":"Azure Container Registry offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://azure.microsoft.com/en-us/products/container-registry","question":"Is Azure Container Registry free?","confidence":0.6},{"answer":"Azure Container Registry supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://azure.microsoft.com/en-us/pricing/details/defender-for-cloud/","question":"What platforms does Azure Container Registry support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Azure Container Registry, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://azure.microsoft.com/en-us/pricing/offers/hybrid-benefit/","question":"Can Azure Container Registry be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Azure Container Registry. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Azure Container Registry not holding them. Always confirm compliance directly before you rely on it.","source":"https://azure.microsoft.com/security","question":"What security certifications does Azure Container Registry have?","confidence":0.7},{"answer":"Azure Container Registry is available worldwide. The vendor is headquartered in the United States.","source":"https://azure.microsoft.com/en-us/pricing/details/defender-for-cloud/","question":"Where is Azure Container Registry available?","confidence":0.75}]` | `[{"answer":"A lightweight, self-contained registry for managing container images that fully implements OCI standards. It runs as a single binary without elevated privileges and includes built-in security scanning, access control, garbage collection, and image deduplication. It is indexed under Container Registries.","source":"https://zotregistry.dev","question":"What is Zot?","confidence":0.6},{"answer":"Zot is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://zotregistry.dev","question":"Is Zot free to use?","confidence":0.6},{"answer":"Zot supports macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://zotregistry.dev","question":"What platforms does Zot support?","confidence":0.6},{"answer":"Yes. Zot can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://zotregistry.dev","question":"Can Zot be self-hosted?","confidence":0.6},{"answer":"Yes. Zot is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/project-zot/zot","question":"Is Zot open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A cloud service that stores and manages container images in Docker and OCI-compliant formats, with support for various OCI artifact types. | A lightweight, self-contained registry for managing container images that fully implements OCI standards. It runs as a single binary without elevated privileges and includes built-in security scanning, access control, garbage collection, and image deduplication. |
| features.capabilities | `{"web_ui":true,"hosting":"cloud","oci_compliant":true,"private_repos":true,"artifact_types":"images"}` | `{"rbac":true,"hosting":"both","oci_compliant":true,"private_repos":true,"artifact_types":"images","vulnerability_scanning":true}` |
| integrations.count | - | 1 |
| integrations.list | - | `[{"name":"Stacker"}]` |
| language.primary | - | Go |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"mac":true,"linux":true}` |
| pricing | `{"type":"usage","currency":"USD","freeTier":true,"sourceUrl":"https://azure.microsoft.com/en-us/products/container-registry","retrievedAt":"2026-08-05T13:20:02.479Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://zotregistry.dev","retrievedAt":"2026-08-03T13:02:43.251Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | low | free |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 31 |
| release.history | - | `[{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.22","date":"2026-10-06T16:50:05Z","type":"stable","version":"v2.1.22"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.21","date":"2026-09-06T18:44:38Z","type":"stable","version":"v2.1.21"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.20","date":"2026-08-04T17:51:30Z","type":"stable","version":"v2.1.20"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.19","date":"2026-08-04T06:46:22Z","type":"stable","version":"v2.1.19"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.18","date":"2026-06-24T15:30:19Z","type":"stable","version":"v2.1.18"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.17","date":"2026-05-18T05:44:37Z","type":"stable","version":"v2.1.17"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.16","date":"2026-04-19T06:26:29Z","type":"stable","version":"v2.1.16"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.15","date":"2026-03-08T22:31:57Z","type":"stable","version":"v2.1.15"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.14","date":"2026-01-25T17:14:38Z","type":"stable","version":"v2.1.14"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.13","date":"2025-12-23T10:14:48Z","type":"stable","version":"v2.1.13"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.12","date":"2025-12-21T20:45:14Z","type":"stable","version":"v2.1.12"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.11","date":"2025-11-20T20:14:44Z","type":"stable","version":"v2.1.11"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.10","date":"2025-10-18T18:46:36Z","type":"stable","version":"v2.1.10"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.9","date":"2025-10-14T16:18:49Z","type":"stable","version":"v2.1.9"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.8","date":"2025-09-01T19:20:42Z","type":"stable","version":"v2.1.8"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.7","date":"2025-08-03T16:35:59Z","type":"stable","version":"v2.1.7"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.6","date":"2025-07-27T01:14:14Z","type":"stable","version":"v2.1.6"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.5","date":"2025-06-17T18:04:11Z","type":"stable","version":"v2.1.5"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.4","date":"2025-06-06T02:31:04Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/project-zot/zot/releases/tag/v2.1.3","date":"2025-05-22T17:04:49Z","type":"stable","version":"v2.1.3"}]` |
| reliability.status_page | yes | - |
| security.gdpr | yes | - |
| security.scorecard | - | 8 |
| security.trust_center | https://azure.microsoft.com/en-us/explore/security/ | - |
| security.vulnerabilities | - | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=zotregistry.io%2Fzot&per_page=100","last_12m":0,"max_severity":"MODERATE"}` |

## Capabilities (Container Registries)

| Capability | Azure Container Registry | Zot |
|---|:--:|:--:|
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud + self-hosted |
| **Standards** |  |  |
| OCI Distribution Spec compliant | ✓ | ✓ |
| **Scope** |  |  |
| Artifact types | Container images only | Container images only |
| **Security** |  |  |
| Built-in vulnerability scanning | - | ✓ |
| Image signing (Cosign/Notation) | - | - |
| SBOM generation / storage | - | - |
| **Access** |  |  |
| Fine-grained RBAC / robot accounts | - | ✓ |
| Private repositories | ✓ | ✓ |
| **Distribution** |  |  |
| Geo-replication / mirroring | - | - |
| Pull-through cache / proxy | - | - |
| **Integration** |  |  |
| Native cloud IAM integration | - | - |
| **Pricing** |  |  |
| Pull-rate limits | - | - |
| **UX** |  |  |
| Web UI / console | ✓ | - |
| **Ops** |  |  |
| High-availability deployment | - | - |

*Source: vioscaleAI. Generated 2026-10-16T19:22:34.305Z. "-" = undocumented, not absent.*