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Azure Kubernetes Service (AKS) vs CoreOS Clair comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Sep 16, 2024

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Azure Kubernetes Service (AKS)
Ranking in Container Security
20th
Average Rating
8.2
Reviews Sentiment
7.2
Number of Reviews
41
Ranking in other categories
No ranking in other categories
CoreOS Clair
Ranking in Container Security
29th
Average Rating
8.6
Reviews Sentiment
7.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Container Security category, the mindshare of Azure Kubernetes Service (AKS) is 0.9%, up from 0.6% compared to the previous year. The mindshare of CoreOS Clair is 0.7%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Container Security Market Share Distribution
ProductMarket Share (%)
Azure Kubernetes Service (AKS)0.9%
CoreOS Clair0.7%
Other98.4%
Container Security
 

Featured Reviews

Daniel Wichinescki - PeerSpot reviewer
IT Specialist | SRE | Cloud Public and Private at Parana Banco
Has supported production deployments and simplified permission management though could reduce monitoring costs
For Azure Kubernetes Service (AKS), we only used it to orchestrate the Kubernetes pods. We didn't use the other features. We only used the environment to start our application. I utilized the automatic scaling capabilities. The integration with Azure Active Directory helped with the security of our applications. I think Amazon EKS is better. EKS is the best because there are many features to use for scaling and to control the environments.
Felipe Giffu - PeerSpot reviewer
Red Hat Solution Architect at Seprol Computadores e Sistemas
An operational system, similar to Linux where you can run your applications inside containers
With CoreOS, you can run your applications inside containers. For example, if you have an application that needs to run on Linux, you can create and install a container. However, it's important to note that you don't install CoreOS inside a container; CoreOS is the host operating system that manages containers. When you mentioned using Nacula as part of your CI/CD pipeline, it means your application is deployed and managed automatically through the CI/CD process. Containers are used to deploy your application within this pipeline, but CoreOS does not run inside these containers. Instead, CoreOS is the base operating system that supports and manages these containers.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"AKS is easy to use. We can scale up and down as needed with AKS, which saves us money on our cloud costs."
"The product’s most valuable features are ease of use and automation."
"The most valuable features of AKS are scalability, deployability, and automation."
"It is a stable solution."
"Its support team resolves technical issues accurately."
"Has a good management feature monitored by the cloud service provider."
"Compliance is easy right out-of-the-box with integration to Azure Security, Azure Active Directory, and Azure Policies."
"The most valuable feature of the solution is the diagnostic service."
"With CoreOS, you can run your applications inside containers. For example, if you have an application that needs to run on Linux, you can create and install a container. However, it's important to note that you don't install CoreOS inside a container; CoreOS is the host operating system that manages containers."
"CoreOS Clair's best feature is detection accuracy."
 

Cons

"The initial setup is complex."
"One area that could be improved is the Azure CLI. It would be beneficial if they could abstract some of the complexities related to deployment scripts and make them a part of Azure CLI."
"Unfortunately, when a microservice fails, Azure can take up to 60 seconds to broadcast an alert to the monitoring agents."
"The cost of Azure Kubernetes Service (AKS) is extremely high"
"Azure Kubernetes Service (AKS) is more flexible but more complex to maintain."
"One improvement I'd like to see is a better user interface for developers, enabling easier operation without relying heavily on command lines."
"More control over Infra scanning can be introduced."
"I would like to see the stability get more synchronized."
"It can be improved in its support response. They usually take up to seven days to resolve the issue."
"An area for improvement is that CoreOS Clair doesn't provide information about the location of vulnerabilities it detects."
 

Pricing and Cost Advice

"It is a cost-effective solution."
"We are facing a significant challenge regarding OEM licensing. The issue arises from the fact that certain licenses required for our own purposes are not provided by Microsoft's licensing. Consequently, we are unsure about the most suitable mobile license provisioning model offered by third-party providers."
"The product is expensive in terms of scalability."
"The cost of the solution is extremely high. Both Amazon and Azure cost extremely high. Given the basic features like when they are coming over the cluster nodes, we think over ten times before giving the solution to clients. No matter how many offerings the solution provides, it becomes so much of a burden that you are not even getting back your invested money from customers."
"The pricing of the solution is same as Azure Stack."
"It is expensive compared to other vendors."
"As you scale your operations, AKS becomes more cost-effective."
"We could spend as little as $25 or $30 a month on Kubernetes Services, compared to the typical $100 a month expenditure for a virtual machine."
"CoreOS Clair is open-source and free of charge."
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Top Industries

By visitors reading reviews
Financial Services Firm
23%
Computer Software Company
11%
Manufacturing Company
8%
Insurance Company
6%
Financial Services Firm
14%
Performing Arts
14%
Manufacturing Company
12%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise7
Large Enterprise22
No data available
 

Questions from the Community

What do you like most about Azure Kubernetes Service (AKS)?
The platform's high scalability is one of its biggest advantages.
What needs improvement with Azure Kubernetes Service (AKS)?
I am not sure about areas that could be improved.
What is your primary use case for Azure Kubernetes Service (AKS)?
I use the product for the environments in the company, specifically for the environments in production, QA, and development. I used it in the finance industry at a bank. Now I have moved to another...
What is your experience regarding pricing and costs for CoreOS Clair?
If you work with CoreOS or OpenShift, you don't need to pay for CoreOS separately. When you pay for OpenShift, you get CoreOS included, so you don't need to pay for the operating system separately....
What needs improvement with CoreOS Clair?
It can be improved in its support response. They usually take up to seven days to resolve the issue.
What is your primary use case for CoreOS Clair?
We use the tool to manage and secure the event file system. CoreOS Clair is an operational system that is very similar to Linux and offers benefits to other Linux operating systems. One major advan...
 

Overview

 

Sample Customers

Information Not Available
eBay, Veritas, Verizon, SalesForce
Find out what your peers are saying about Azure Kubernetes Service (AKS) vs. CoreOS Clair and other solutions. Updated: December 2025.
881,082 professionals have used our research since 2012.