Comparison

Amazon ECR vs Harbor

No clear leader: Amazon ECR (69.8) and Harbor (65.8) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Amazon ECR full profile →Harbor full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

Amazon ECR70

Harbor66

Attribute comparison across 2 tools
Attribute	Amazon ECR	Harbor
vioscaleAI score	70 / 100medium · 64%	66 / 100high · 77%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	open_source
Price levelpricing.price_level	unknown	free
Transparentpricing.transparent	✓	✓
Integrations
Countintegrations.count	10	6
Security
Certificationssecurity.certifications	PCI-DSS, HIPAA/HITECH, FedRAMP, GDPR, FIPS 140-3, NIST 800-171	-
Disclosure policysecurity.disclosure_policy	✓	✓
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	7.5
Soc2security.soc2	✓	-
Trust centersecurity.trust_center	https://aws.amazon.com/compliance/	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fgoharbor%2Fharbor%2Fsrc&per_page=100 · Last 12m: 0 · Max severity: HIGH
Reliability
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	-	31
Github starsadoption.github_stars	-	29,540
Activity
Commits last 30dactivity.commits_last_30d	-	58
Release
Cadence daysrelease.cadence_days	-	3
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Go
Market
Availabilitymarket.availability	Available worldwide · HQ US	-
Content
Faqcontent.faq	6 items	6 items

Score

vioscaleAI score

Amazon ECR70 / 100medium · 64%

Harbor66 / 100high · 77%

Pricing

Free tier

Amazon ECR✓

Harbor✓

Model

Amazon ECRcommercial

Harboropen_source

Price level

Amazon ECRunknown

Harborfree

Transparent

Amazon ECR✓

Harbor✓

Integrations

Count

Amazon ECR10

Harbor6

Security

Certifications

Amazon ECRPCI-DSS, HIPAA/HITECH, FedRAMP, GDPR, FIPS 140-3, NIST 800-171

Harbor–

Disclosure policy

Amazon ECR✓

Harbor✓

Fedramp

Amazon ECR✓

Harbor–

Gdpr

Amazon ECR✓

Harbor–

Hipaa

Amazon ECR✓

Harbor–

Pci

Amazon ECR✓

Harbor–

Scorecard

Amazon ECR–

Harbor7.5

Soc2

Amazon ECR✓

Harbor–

Trust center

Amazon ECRhttps://aws.amazon.com/compliance/

Harbor–

Vulnerabilities

Amazon ECR–

HarborCount: 1 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fgoharbor%2Fharbor%2Fsrc&per_page=100 · Last 12m: 0 · Max severity: HIGH

Reliability

Status page

Amazon ECR✓

Harbor✓

Adoption

Dependent repos

Amazon ECR–

Harbor31

Github stars

Amazon ECR–

Harbor29,540

Activity

Commits last 30d

Amazon ECR–

Harbor58

Release

Cadence days

Amazon ECR–

Harbor3

History

Amazon ECR–

Harbor20 items

License

Spdx

Amazon ECR–

HarborApache-2.0

Language

Primary

Amazon ECR–

HarborGo

Market

Availability

Amazon ECRAvailable worldwide · HQ US

Harbor–

Content

Faq

Amazon ECR6 items

Harbor6 items

Capabilities

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

Capability comparison for Container Registries
Capability	Amazon ECR	Harbor
Deployment
Hosting	Cloud only	Self-hosted only
Standards
OCI Distribution Spec compliant	✓	✓
Scope
Artifact types	Images + Helm/OCI artifacts	Images + Helm/OCI artifacts
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	Tiered by plan	-
UX
Web UI / console	✓	✓
Ops
High-availability deployment	✓	✓

Deployment

Hosting

Amazon ECRCloud only

HarborSelf-hosted only

Standards

OCI Distribution Spec compliant

Amazon ECR✓

Harbor✓

Scope

Artifact types

Amazon ECRImages + Helm/OCI artifacts

HarborImages + Helm/OCI artifacts

Security

Built-in vulnerability scanning

Amazon ECR✓

Harbor✓

Image signing (Cosign/Notation)

Amazon ECR✓

Harbor✓

SBOM generation / storage

Amazon ECR-

Harbor-

Access

Fine-grained RBAC / robot accounts

Amazon ECR✓

Harbor✓

Private repositories

Amazon ECR✓

Harbor✓

Distribution

Geo-replication / mirroring

Amazon ECR✓

Harbor✓

Pull-through cache / proxy

Amazon ECR✓

Harbor✓

Integration

Native cloud IAM integration

Amazon ECR✓

Harbor-

Pricing

Pull-rate limits

Amazon ECRTiered by plan

Harbor-

Web UI / console

Amazon ECR✓

Harbor✓

Ops

High-availability deployment

Amazon ECR✓

Harbor✓

What each one is

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

Amazon ECR

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

Harbor

A self-hosted Docker Distribution extension that provides centralized storage for container images and Helm charts with integrated security features including image signing, vulnerability scanning, user authentication, access control, and cross-registry replication.

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

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 2026-08-14verify ↗

Harbor

Open sourceFree tier

as of 2026-10-13verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Amazon ECR	Harbor
WebPlatforms	✓	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓

Platforms

Web

Amazon ECR✓

Harbor✓

Linux

Amazon ECR✗

Harbor✓

CLI

Amazon ECR✓

Harbor✓

Deployment

Cloud / SaaS

Amazon ECR✓

Harbor✗

Self-hosted

Amazon ECR✗

Harbor✓

On-premise

Amazon ECR✗

Harbor✓

Integrations

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

In common (2)

Helm
Docker

Amazon ECR

11 total - 9 not shared

Amazon ECS
Amazon EKS
Amazon EC2
AWS Lambda
AWS Fargate
AWS App Runner
Amazon Inspector
AWS Marketplace
Docker CLI

Independently observed

Harbor

8 total - 6 not shared

Trivy
Cosign
Redis
Valkey
LDAP
Active Directory

Independently observed

Still deciding?

Amazon ECR or Harbor: 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.