Container platforms & registries
Amazon ECS vs Azure Container Apps
Amazon ECS maps most closely to Azure Container Apps.
Both hide Kubernetes and run services with scaling, revisions, and load balancing. ECS gives more infrastructure control (EC2 capacity, task placement, managed instances), while Container Apps is more opinionated and serverless-first.
Side-by-side comparison
| Aspect | Amazon Web Services | Microsoft Azure |
|---|---|---|
| Service | Amazon ECS | Azure Container Apps |
| Lifecycle | Generally available | Generally available |
| What it is | AWS's own container orchestrator (task definitions, services, clusters). Capacity options are Fargate, ECS Managed Instances, EC2 capacity providers, and ECS Anywhere (external instances). | Serverless container platform built on Kubernetes (KEDA, Envoy, Dapr) without exposing the Kubernetes API. Includes apps, jobs, revisions and traffic splitting, scale to zero, Consumption and Dedicated workload profiles, and serverless GPUs. |
| Pricing model | ECS itself is free. You pay for Fargate (vCPU and GB per second), EC2 instances, or ECS Managed Instances (EC2 plus a management fee). | Consumption is billed per vCPU-second and GiB-second plus requests, with a monthly free grant. Dedicated workload profiles are billed per profile instance plus an environment management fee. |
| Docs | Amazon ECS docs | Azure Container Apps docs |
| Pricing page | Amazon ECS pricing | Azure Container Apps pricing |
| Exams | SAA-C03 DVA-C02 Retiring DOP-C02 | AZ-104 AI-200 |
Key differences
- Abstraction. ECS uses task definitions, services, and clusters on Fargate, ECS Managed Instances, or EC2. Container Apps uses apps, revisions, jobs, and environments on Consumption or Dedicated workload profiles. It's built on Kubernetes, KEDA, Envoy, and Dapr, but you can't reach the Kubernetes API.
- Scaling. ECS uses Application Auto Scaling (target tracking, step) and capacity providers. Container Apps scales on HTTP, TCP, or any KEDA scaler, including scale to zero.
- Service-to-service traffic. ECS uses Service Connect or Cloud Map. Container Apps has built-in DNS discovery, Dapr service invocation, and an Envoy-based ingress with traffic splitting across revisions.
- Windows containers. ECS supports Windows on EC2 and Fargate. Container Apps runs Linux containers only. On Azure, use AKS Windows node pools or ACI for Windows.
Pricing summary
Pricing models only. No prices are quoted because they change by region and over time.
- AWS
- ECS itself is free. You pay for Fargate (vCPU and GB per second), EC2 instances, or ECS Managed Instances (EC2 plus a management fee). Amazon ECS pricing →
- Azure
- Consumption is billed per vCPU-second and GiB-second plus requests, with a monthly free grant. Dedicated workload profiles are billed per profile instance plus an environment management fee. Azure Container Apps pricing →
Certification exam mapping
| Exam | Provider | Level | Status |
|---|---|---|---|
| AWS Certified Solutions Architect – Associate SAA-C03 | AWS | Associate | current Italian version retires after Dec 31, 2026. |
| AWS Certified Developer – Associate DVA-C02 | AWS | Associate | retiring Being updated to DVA-C03. Registration for DVA-C03 opens Oct 27, 2026. Last day to take DVA-C02 is Nov 30, 2026. |
| AWS Certified DevOps Engineer – Professional DOP-C02 | AWS | Professional | current Korean version retires after Dec 31, 2026. |
| Microsoft Certified – Azure Administrator Associate AZ-104 | Azure | Associate | current |
| Microsoft Certified – Azure AI Cloud Developer Associate AI-200 | Azure | Associate | current Back-end services, containers, and architecture for AI solutions on Azure. |
Relevance is based on each exam's published scope, not a line-by-line objective match. Check the official study guide.
FAQ
What is the Azure equivalent of Amazon ECS?
Amazon ECS maps most closely to Azure Container Apps. Both hide Kubernetes and run services with scaling, revisions, and load balancing. ECS gives more infrastructure control (EC2 capacity, task placement, managed instances), while Container Apps is more opinionated and serverless-first.
How does pricing compare between Amazon ECS and Azure Container Apps?
AWS: ECS itself is free. You pay for Fargate (vCPU and GB per second), EC2 instances, or ECS Managed Instances (EC2 plus a management fee). Azure: Consumption is billed per vCPU-second and GiB-second plus requests, with a monthly free grant. Dedicated workload profiles are billed per profile instance plus an environment management fee. Check the official pricing pages for current rates.
Which certification exams cover this topic?
AWS Certified Solutions Architect – Associate (SAA-C03); AWS Certified Developer – Associate (DVA-C02) [retiring]; AWS Certified DevOps Engineer – Professional (DOP-C02); Microsoft Certified – Azure Administrator Associate (AZ-104); Microsoft Certified – Azure AI Cloud Developer Associate (AI-200).