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Amazon AWS vs IBM Public Cloud vs Microsoft Azure comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

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

Mindshare comparison

As of June 2025, in the PaaS Clouds category, the mindshare of Amazon AWS is 12.3%, down from 17.7% compared to the previous year. The mindshare of IBM Public Cloud is 3.2%, down from 4.1% compared to the previous year. The mindshare of Microsoft Azure is 19.4%, up from 19.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
PaaS Clouds
 

Featured Reviews

Arun Srivastav - PeerSpot reviewer
Allows for automatic scaling of resources and provides built-in firewalls and security features, eliminating the need for external security solutions
One thing that's a bit different is that we're still accustomed to speaking to someone directly. AWS doesn't offer that kind of support. It's only through bots. You're speaking to chatbots, and that can sometimes be frustrating because there's no person on the other side. AI is not a substitute for a person. AWS marketplace is very strong, but somehow AWS doesn't promote it much. They have a huge customer base across the globe, and if products were launched in their marketplace, they could sell like hotcakes. They should improve their marketplace and promote the same product across the globe. They can take a cut, but they should promote it. That's something they don't do very much. So, AWS should promote its marketplace software. The company should promote it aggressively. Currently, they keep it very subtle. If you ask for it, they'll help you out. But they don't seem to advertise, "You're building a product on our platform? Why don't you sell it in our marketplace?" Improvement in AI: AWS is a little behind Microsoft Azure in terms of AI. AWS is still getting there, but the kind of examples and help files available in Azure for AI are much better. So AWS still needs to work on its AI functionality.
Premnath Jaganathan - PeerSpot reviewer
Affordability and security improve our cloud experience while learning new systems
I'm not working with any AI features in IBM Public Cloud, but they are in the process of building it.I am very satisfied with the security that IBM Public Cloud provides. I would rate IBM Public Cloud eight out of ten, where one is worst and ten is the best.
SubodhThakar - PeerSpot reviewer
Integrates various functionalities and have good documentation but have high pricing
Cosmos DB offered better scalability. In Azure SQL, we had to carefully manage the storage tier, switching back and forth based on needs. But when we first implemented Cosmos DB, we had a good understanding of the required data volume over the past three months. This helped us select the appropriate tier because we had those figures. If we had done it the other way around, it would have been much harder to estimate the data accurately. While you can get a rough idea, whether it works out in practice is more of a hit-and-miss approach, which we have already experienced with Cosmos DB. We applied the knowledge gained from that exercise to build a similar solution over Azure SQL. On the DevOps side, our team consisted of five members, ranging from senior to junior roles. We would raise requests for specific services needed in the development environment. The process typically takes three to five business days, including all necessary approvals, from submitting the request to receiving the resources and verifying access.

Quotes from Members

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

Pros

"AWS is easier to implement than other solutions, and it's more reliable."
"The installation process is very simple."
"The most useful feature of Amazon AWS is it can be accessed from anywhere."
"I like S3, load balancers, and Route 53."
"It improves the speed for us to access vendors."
"This solution features ease of use and market adaptability."
"It's very easy to use."
"The product's scalability is good."
"It is a scalable product. You can scale it up and down."
"I am very much satisfied with the technical support team at IBM Public Cloud."
"One of the features that I really like about IBM Cloud is the flexibility where you can order your own hardware."
"This product is very good because it is accessible in remote locations, and anyone can deploy from any place."
"It's straightforward, has a good environment and is cost-effective."
"What I like most in IBM Public Cloud is how easy it is to create serverless functions. They are called IBM functions, but in AWS, they are called Lambda functions. Those are pretty standard, and another thing I like the most is that you have fewer restrictions on the amount of data you can transfer across those functions. IBM Public Cloud is way more flexible than AWS. I also like that IBM Public Cloud is pretty straightforward to integrate. As long as you have all the tools IBM provides you, getting everything up and running is straightforward."
"The most valuable feature of IBM Public Cloud is the AI integrations."
"The initial setup was very easy. It's quite straightforward. Deployment took about fifteen minutes. Everything is well organized."
"The solution is similar to a plug-and-play system, it is easy to use."
"Its resiliency is most valuable. It is also a very scalable solution, so you can spend the resources on demand."
"The most valuable feature of Microsoft Azure is that it is easy to use."
"In Azure, everything is pretty straightforward. Once you know it, the platform is very easy to use."
"We use the cognitive service, virtual machines, and customer DB. Microsoft Azure is also scalable and easy to install."
"The solution is very flexible, it is not limited to Microsoft solutions. It integrates well with other solutions, such as Oracle. There are a lot of templates we are able to use allowing us to reduce the time for configuration."
"Microsoft Azure supports our company growth through its robust features."
"There are several products within Azure."
 

Cons

"Amazon support could be better."
"The IEM (Infrastructure Event Management) appears to be complicated, specifically cross-account resource permissions."
"Like anything, Amazon AWS has room for improvement, but it's not bad."
"There have been some issues in the past when it comes to file integrations in AWS's cloud products. However, there are now alternative solutions out there that are helping to integrate them all."
"I'd like to see integration with MySQL."
"AWS has room for improvement on the Kubernetes side. I would like to go a little deeper into the Kubernetes target, Elastic, inner system, and all that. The EKS, target, and all these areas need to be improved, but that is not my key area because I am mostly working on the application side."
"Integration with in-house applications could be simplified."
"In terms of technical features, I don't see anything missing. The only two points in favor of other providers are the price and local support. The main problem that we see here in Brazil is the price. It is much more expensive than any other cloud provider. Their local support can also be better. We get more support from some of the other providers here in Brazil as compared to AWS."
"The connectivity and speed of IBM Public Cloud are much lower compared to the competition."
"An area for improvement in IBM Public Cloud is getting up-to-date information on how to set up everything. It's hard to find new documentation."
"Normally, for any cloud, we get a lot of information on the web, but that is missing in the case of IBM Public Cloud. We need some technical support documents. That is the only thing missing in IBM Public Cloud."
"They could improve on customizing reporting capabilities."
"The product should offer more computing, similar to Amazon."
"The solution’s pricing could be improved."
"They do not have a very good virtual network implemented, and the VPC is the most important feature that needs to be improved."
"It could be more secure."
"The local support is fair but it is sometimes limited, the service could be better."
"Talking from a networking perspective, when you create a file or a rule in Azure and you want to view this IP group, sometimes the way it is displayed on the GUI, you don't see the name of the group."
"Compared with other cloud solution providers, Microsoft is not good at local support."
"From a security perspective, there is always something that can be improved as we serve our customers."
"The response time and stability of Microsoft Azure need to be improved."
"Sometimes performance takes a hit on a slow network."
"The security must be improved."
"There are always new features to add in terms of additional indicators, improving the looks of the dashboard and stuff. There are some dashboards that are not attractive, we are looking to make them fancier and nice-looking."
 

Pricing and Cost Advice

"We pay for Amazon AWS annually."
"AWS is scalable depending on your needs so pricing is dependant on what you use."
"The pricing depends on the workload. For example, if your workload involves Windows technologies, AWS may not be the most cost-effective option. In that case, you might be better off with Azure."
"From a cost perspective, Amazon AWS is excellent. You need to pay for a license to use AWS, and the license could be cheaper, but in each of the cases and instances I've used AWS, there has been a good chance to save money."
"It seems to be reasonable. It's the first one that I've used as a cloud platform, so they've set the benchmark for me, and now, I'm comparing everything else to them."
"If I was going to compare the cost of Amazon AWS to Microsoft Azure, they are approximately the same."
"Amazon AWS has pay-as-you-go options available."
"The pricing of AWS was attractive for us, so that's something that's okay at least for this transaction-based system. However, we still have some concerns about more data-driven applications or those that involve a lot of heavy uploading and downloading. So our whole data warehouse is still something that would not go into the cloud because of the pricing model."
"Pricing is not as fair as Amazon or Azure."
"The price of IBM Cloud is very cheap compared to competitors AWS and Azure."
"IBM Public Cloud is pretty cheap. They have an ongoing free tier that basically won't expire, so as long as your solution is small enough, you can have a test set that you can use for demos, which will cost you almost nothing."
"It pretty much has a standard price. There is no hidden price with IBM Public Cloud."
"We are using the trial version of this solution, so we have not paid anything."
"On a scale from one to ten, where one is cheap, and ten is expensive, I rate the solution's pricing a nine out of ten."
"The licensing fees are straightforward and predictable."
"In order to be competitive, you have to commit to a contract for at least one year, but you pay a fixed monthly fee."
"It is affordable, but its subscription price could be cheaper."
"There are added costs to the company or for scaling for most premium products."
"The licensing fees depend on the number of users that we have."
"The current pricing is on a pay-as-you-go subscription."
"Licensing fees are paid on a yearly basis."
"Microsoft Azure comes with a long-term license and trial licenses as well."
"The price of the solution could be reduced. There should be a loyalty cost reduction model. If customers have been using the service year after year they should receive a discount."
"The pricing model is subscription-based and it's not an expensive solution."
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Comparison Review

it_user8586 - PeerSpot reviewer
Aug 14, 2013
Amazon vs Rackspace vs Microsoft vs Google: Cloud Hosting Services Comparison
Amazon Web Services, Rackspace OpenStack, Microsoft Windows Azure and Google are the major cloud hosting and storage service providers. Athough Amazon is top of them and is oldest in cloud market, Rackspace, Microsoft and Google are giving tough competition to each other and to Amazon also for…
 

Top Industries

By visitors reading reviews
Financial Services Firm
16%
Computer Software Company
13%
Manufacturing Company
9%
University
7%
Financial Services Firm
13%
University
13%
Computer Software Company
13%
Manufacturing Company
10%
Educational Organization
31%
Financial Services Firm
11%
Computer Software Company
9%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

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Which is preferable - IBM Public Cloud or Microsoft Azure?
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What needs improvement with IBM Cloud?
The front end is not pervasive, so it is very difficult get the status of your current services or account from a mob...
What do you like most about IBM Public Cloud?
The most valuable feature of IBM Public Cloud is the AI integrations.
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Also Known As

Amazon Web Services, AWS
IBM Bluemix
Windows Azure, Azure, MS Azure
 

Overview

 

Sample Customers

Pinterest, General Electric, Pfizer, Netflix, and Nasdaq.
Uvionics Tech, Komsomolskaya Pravda, Alpha Modus, Inventive, Web Business Consulting, FindBrok, SilverHook Powerboats, United Way of Allegheny County
BMW, Toyota, easyJet, NBC Sports, HarperCollins, Aviva, TalkTalk Business, Avanade, and Telenor.
Find out what your peers are saying about Microsoft, Amazon Web Services (AWS), Red Hat and others in PaaS Clouds. Updated: June 2025.
859,438 professionals have used our research since 2012.