vioscaleAI
Comparison

Amazon ECR vs Azure Container Registry

On the evidence we track, Amazon ECR leads this comparison with a composite score of 70/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Amazon ECR full profile →Azure Container Registry full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Amazon ECR70
Azure Container Registry62
Score
vioscaleAI score
Amazon ECR70 / 100medium · 64%
Azure Container Registry62 / 100medium · 51%
Pricing
Free tier
Amazon ECR✓
Azure Container Registry✓
Model
Amazon ECRcommercial
Azure Container Registrycommercial
Price level
Amazon ECRunknown
Azure Container Registrylow
Transparent
Amazon ECR✓
Azure Container Registry✓
Integrations
Count
Amazon ECR10
Azure Container Registry–
Security
Certifications
Disclosure policy
Amazon ECR✓
Azure Container Registry–
Fedramp
Amazon ECR✓
Azure Container Registry–
Gdpr
Amazon ECR✓
Azure Container Registry✓
Hipaa
Amazon ECR✓
Azure Container Registry–
Pci
Amazon ECR✓
Azure Container Registry–
Soc2
Amazon ECR✓
Azure Container Registry–
Trust center
Reliability
Status page
Amazon ECR✓
Azure Container Registry✓
Market
Availability
Content
Faq
Amazon ECR6 items
Azure Container Registry6 items

Capabilities

Feature-by-feature on the axes that matter for container registries. “-” means undocumented, not absent.

Deployment
Hosting
Amazon ECRCloud only
Azure Container RegistryCloud only
Standards
OCI Distribution Spec compliant
Amazon ECR✓
Azure Container Registry✓
Scope
Artifact types
Amazon ECRImages + Helm/OCI artifacts
Azure Container RegistryContainer images only
Security
Built-in vulnerability scanning
Amazon ECR✓
Azure Container Registry-
Image signing (Cosign/Notation)
Amazon ECR✓
Azure Container Registry-
SBOM generation / storage
Amazon ECR-
Azure Container Registry-
Access
Fine-grained RBAC / robot accounts
Amazon ECR✓
Azure Container Registry-
Private repositories
Amazon ECR✓
Azure Container Registry✓
Distribution
Geo-replication / mirroring
Amazon ECR✓
Azure Container Registry-
Pull-through cache / proxy
Amazon ECR✓
Azure Container Registry-
Integration
Native cloud IAM integration
Amazon ECR✓
Azure Container Registry-
Pricing
Pull-rate limits
Amazon ECRTiered by plan
Azure Container Registry-
UX
Web UI / console
Amazon ECR✓
Azure Container Registry✓
Ops
High-availability deployment
Amazon ECR✓
Azure Container Registry-

What each one is

The product in its own terms, so the numbers below have context.

Amazon ECR

Leader

Amazon ECR is a managed service that stores Docker container images and OCI artifacts with high availability. It integrates with AWS compute services, offers both private and public repositories, and includes built-in encryption, access controls via IAM, and vulnerability scanning through Amazon Inspector.

Independently observed

Azure Container Registry

A cloud service that stores and manages container images in Docker and OCI-compliant formats, with support for various OCI artifact types.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon ECR

Leader
from $0.09/moUsage-basedFree tier

Free: 50 GB/month public storage always-free, 500 MB/month private for 1 year. Paid: $0.10/GB for private storage, tiered data transfer charges.

  • Private Repository Storage$0.10 per GB per month
    • Private repository storage
  • Public Repository (Always Free)Free
    • 50 GB/month storage included
    • 500 GB/month anonymous data transfer
    • 5 TB/month data transfer with AWS account
  • Data Transfer (Beyond Free Limits)Tiered starting at $0.09 per GB
    • Tiered outbound data transfer pricing
as of verify ↗

Azure Container Registry

Usage-basedFree tier
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Amazon ECR✓
Azure Container Registry✓
CLI
Amazon ECR✓
Azure Container Registry✓
Deployment
Cloud / SaaS
Amazon ECR✓
Azure Container Registry✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Amazon ECR

Leader
11 total
  • Amazon ECS
  • Amazon EKS
  • Amazon EC2
  • AWS Lambda
  • AWS Fargate
  • AWS App Runner
  • Amazon Inspector
  • AWS Marketplace
  • Docker CLI
  • Helm
  • Docker
Independently observed

Azure Container Registry

Not documented yet.

Still deciding?

Amazon ECR or Azure Container Registry: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.