Zot Registry vs Amazon Elastic Container Registry

ZRZot Registry9.1Visit Amazon Elastic Container Registry8.8Visit

Higher score ZR Zot Registry #4 in Container Registries 9.1/10 Open source ✓ 4 of 4 features Visit Zot Registry

vs

Amazon Elastic Container Registry #7 in Container Registries 8.8/10 Paid ✓ 4 of 4 features Visit Amazon ECR

• Zot Registry fits best

  Self-hosted teams needing scalable OCI features

• Amazon Elastic Container Registry fits best

  AWS-native container workloads

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Side by side

Feature	ZRZot Registry 9.1/10 Visit ↗	Amazon Elastic Container Registry 8.8/10 Visit ↗
At a glance
Editor score	9.1	8.8
Ranking	#4 in Container Registries	#7 in Container Registries
Best for	Self-hosted teams needing scalable OCI features	AWS-native container workloads
Pricing model	Free	Paid
Starting price	Open source	$0.10/GB/mo
Free plan	Not checked yet	—
Free trial	—	—
Deployment	Cloud, Self-hosted	Cloud
Platforms	Web, Linux	Web
Support	Docs	Docs
Integrations	6 integrations	7 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Zot Registry 4/4 · Amazon Elastic Container Registry 4/4
Image scanning	✓	✓
OCI artifacts	✓	✓
Immutable tags	✓	✓
Retention policies	✓	✓
Specs
Replication scope	Not checked yet	Multi-region
Included storage	Not checked yet	Not checked yet
Maximum image size	Not checked yet	Not checked yet
Our review
Pros	Supports OCI images, artifacts, Helm charts, and standard registry clients Adds Trivy scanning, retention policies, and immutable tag protection Offers mirroring, multiple storage backends, clustering, and garbage collection	Deep integration with ECS, EKS, Fargate, Lambda, and Elastic Beanstalk Scanning, immutable tags, lifecycle policies, signing, and encrypted storage Cross-Region and cross-account replication with pull-through caching
Cons	Requires teams to operate it as self-hosted software Clustering uses stateless replicas with shared remote storage Vulnerability scanning is focused on stored images through Trivy	Usage-based pricing requires cost planning rather than fixed subscription budgeting Its strongest fit is within the AWS ecosystem The 52,000 MiB layer limit may matter for unusually large layers
Our verdict	Zot Registry is an open-source, vendor-neutral registry for storing and distributing container images and other OCI artifacts. It implements the OCI Distribution Specification and runs as self-hosted software on Linux or macOS. Its… Read the review →	Amazon Elastic Container Registry (Amazon ECR) is a fully managed registry for Docker and Open Container Initiative images and artifacts. It supports private and public repositories, with access through the web, APIs, Docker-compatible… Read the review →

Strengths and trade-offs

• Zot Registry — where it wins

  • Supports OCI images, artifacts, Helm charts, and standard registry clients
  • Adds Trivy scanning, retention policies, and immutable tag protection
  • Offers mirroring, multiple storage backends, clustering, and garbage collection

  Where it doesn't

  • Requires teams to operate it as self-hosted software
  • Clustering uses stateless replicas with shared remote storage
  • Vulnerability scanning is focused on stored images through Trivy

• Amazon Elastic Container Registry — where it wins

  • Deep integration with ECS, EKS, Fargate, Lambda, and Elastic Beanstalk
  • Scanning, immutable tags, lifecycle policies, signing, and encrypted storage
  • Cross-Region and cross-account replication with pull-through caching

  Where it doesn't

  • Usage-based pricing requires cost planning rather than fixed subscription budgeting
  • Its strongest fit is within the AWS ecosystem
  • The 52,000 MiB layer limit may matter for unusually large layers

• ZRZot Registry9.1/10 · Open source

  A self-hosted OCI registry with scanning, retention, mirroring, and clustering.

  Visit Zot RegistryFull verdict →
• Amazon Elastic Container Registry8.8/10 · Paid

  A capable AWS-native registry with strong controls, scanning, and multi-Region support.

  Visit Amazon ECRFull verdict →