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Amazon EC2 vs Spot by Flexera comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jan 19, 2026

Review summaries and opinions

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

ROI

Sentiment score
6.4
Amazon EC2 delivers cost savings and efficiency, enhancing innovation and agility despite higher costs than on-premise solutions.
Sentiment score
7.9
Spot by Flexera cut compute costs by 75%, saved over 500,000 euros annually, and improved flexibility and operations.
This cost factor has an impact on the project, giving us more possibilities to configure other services and greater financial freedom.
Data Engineer I at a energy/utilities company with 10,001+ employees
I would say I have saved more than a week with Amazon EC2 compared to my previous on-premises setup.
Architect at a outsourcing company with 1,001-5,000 employees
By using Spot by Flexera across a year, we were able to save more than 500,000 euros.
License manager at a financial services firm with 10,001+ employees
Our technology predicts demand, selects the cheapest instance mix, sizes the workloads appropriately, and scales it automatically based on policy, resulting in significant savings by reducing manual work and enhancing our flexibility, which has helped accelerate our deployments.
Global Hyperscaler Alliances Director at a tech vendor with 1,001-5,000 employees
I cannot share the exact number, but I can share the figure that my EC2 and EKS compute cost reduced by around 65 to 75% with Spot.
Dev Ops Engineer at a construction company with 11-50 employees
 

Customer Service

Sentiment score
6.7
Amazon EC2 support is generally effective, though premium support excels, with some challenges in technical integration and communication.
Sentiment score
8.4
Spot by Flexera provides responsive and effective customer service, receiving high ratings for their excellent technical support.
I would rate technical support from Amazon a 10, as we have on-prem AWS experts.
Consultant at a consultancy with 1-10 employees
On a scale from one to ten, I would rate the AWS support team a seven.
Senior Infrastructure Engineer at Principal Global Services
Amazon's customer support is much better than other clouds.
Data Engineer I at a energy/utilities company with 10,001+ employees
I would rate the customer support a nine out of ten.
Global Hyperscaler Alliances Director at a tech vendor with 1,001-5,000 employees
We did not have to use it many times, but the few times that we did use it, it was very fast and very useful.
License manager at a financial services firm with 10,001+ employees
 

Scalability Issues

Sentiment score
7.7
Amazon EC2 is highly praised for its scalability and autoscaling features, contributing to cost efficiency and reliability.
Sentiment score
7.6
Spot by Flexera is scalable, adaptable, and open-source, effectively managing AWS expansions and connecting diverse data sources.
It is also a very easy tool to connect to different data sources and different servers since it is open source.
License manager at a financial services firm with 10,001+ employees
Spot's scalability is quite good, and it can be expanded to multiple environments.
Dev Ops Engineer at a construction company with 11-50 employees
 

Stability Issues

Sentiment score
8.1
Amazon EC2 is highly stable, with minimal downtime and issues usually caused by specific use cases or misconfigurations.
Sentiment score
6.3
Spot by Flexera is stable but faces data update delays, requiring manual IT asset corrections and user-reported server discrepancies.
It is somewhat more reliable compared to Azure.
Senior Infrastructure Engineer at Principal Global Services
Amazon EC2 is stable and more economical.
Data Engineer I at a energy/utilities company with 10,001+ employees
In Spot by Flexera, we could see both computers, the old and the new one, but the system was not recognizing that the old one was no longer being used.
License manager at a financial services firm with 10,001+ employees
 

Room For Improvement

Amazon EC2 users seek cost reduction, improved documentation, better UI, seamless integrations, scalability, and more user-friendly tools.
Spot by Flexera could improve through storage cost optimization, better integrations, enhanced UI guidance, timely updates, and Kubernetes insights.
I have heard from multiple people that if you have an Amazon EC2 instance running and you stop it, the billing continues unless you terminate the Amazon EC2 instance.
Senior Software Engineer at a tech vendor with 1,001-5,000 employees
I think improvements can be made to Amazon EC2 by increasing the memory, offering more instance types, and including GPUs as mentioned in the keynote.
Architect at a outsourcing company with 1,001-5,000 employees
There was not proper documentation on how to install the patch managers and automate patching with System Managers.
Senior Infrastructure Engineer at Principal Global Services
Continuously making advancements based on customer feedback.
Global Hyperscaler Alliances Director at a tech vendor with 1,001-5,000 employees
Spot could be improved by adding features that help identify data to optimize storage costs by detecting datasets within our environment based on criteria such as age and usage.
AVP DevOps and Product Support at a recruiting/HR firm with 1,001-5,000 employees
More guided onboarding would help teams adopt advanced features faster.
Dev Ops Engineer at a construction company with 11-50 employees
 

Setup Cost

Amazon EC2 offers flexible, scalable pricing with potential savings, though cost management requires strategic planning to address complexities.
Users praise Spot by Flexera's pricing for its competitiveness and convenience, rating it highly against market alternatives.
The licensing fees for Amazon EC2 are affordable, especially for lower tiers where there are fewer requirements or where the load is very low for product development.
Senior Infrastructure Engineer at Principal Global Services
I found it very cheap and a fair price according to what we need.
Data Engineer I at a energy/utilities company with 10,001+ employees
The pricing is reasonable and convenient, and the value it offers is completely in line with what I am spending.
Dev Ops Engineer at a construction company with 11-50 employees
I was aware of different pricing, setup costs, and licensing across the company.
License manager at a financial services firm with 10,001+ employees
 

Valuable Features

Amazon EC2 provides scalable, flexible, cost-effective cloud resources with seamless AWS integration, security, and tools like Docker and Kubernetes.
Spot by Flexera optimizes cloud costs, manages resources efficiently, and integrates with AWS, improving scalability and decision-making with AI.
With the cloud, deployment is easy, and within a minute, we can deploy the server and give it to the developers so they can work on it right away after deployment.
Architect at a outsourcing company with 1,001-5,000 employees
The main benefits Amazon EC2 provides for me as an end user are cost savings, as they are more OpEx costs rather than CapEx for us.
Consultant at a consultancy with 1-10 employees
Amazon EC2 offers flexibility.
Senior Software Engineer at a tech vendor with 1,001-5,000 employees
Spot's automated cost optimization works by continuously analyzing the workload and applying policies to minimize cloud spend without sacrificing performance.
Global Hyperscaler Alliances Director at a tech vendor with 1,001-5,000 employees
The fact that it can mix dozens of instance families dynamically is something which the AWS native autoscalers simply cannot do.
Dev Ops Engineer at a construction company with 11-50 employees
Spot helps us detect such changes within AWS at least one hour prior, allowing us to have a mitigation plan in place and host other servers within the same setup to avoid impacting the application.
AVP DevOps and Product Support at a recruiting/HR firm with 1,001-5,000 employees
 

Categories and Ranking

Amazon EC2
Ranking in Compute Service
2nd
Average Rating
8.6
Reviews Sentiment
6.8
Number of Reviews
74
Ranking in other categories
No ranking in other categories
Spot by Flexera
Ranking in Compute Service
10th
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
6
Ranking in other categories
Cloud Management (20th), Server Virtualization Software (14th), Cloud Operations Analytics (1st), Cloud Analytics (3rd), Containers as a Service (CaaS) (3rd), Cloud Cost Management (7th)
 

Mindshare comparison

As of August 2026, in the Compute Service category, the mindshare of Amazon EC2 is 15.2%, up from 6.8% compared to the previous year. The mindshare of Spot by Flexera is 4.6%, up from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Compute Service Mindshare Distribution
ProductMindshare (%)
Amazon EC215.2%
Spot by Flexera4.6%
Other80.2%
Compute Service
 

Featured Reviews

BS
AWS Architect at Corvit Networks
Elasticity and auto scaling enhance performance and cost efficiency
Amazon EC2 features that I have found the most valuable and useful include elasticity and scalability, a variety of instance types, pay-as-you-go pricing, security, isolation, AMIs, integration with other services, Spot Instances, and high availability of reliability, user data, and EC2 metadata. These include Amazon EC2 images, image builder, and auto scaling as instance types, pricing models, and security with VPC, IAM roles, and security groups. The most beneficial features of Amazon EC2 for cloud operations are EC2 Auto Scaling with Elastic Load Balancing, which allows scale up and scale down, maintains high availability, and optimizes costs. Auto Scaling provides fault tolerance, performance optimization, and cost efficiency. A real-world benefit is that an instance automatically handles the load. When traffic drops, it reduces the number of instances. Other highly beneficial Amazon EC2 features include Spot Instances, multiple instance types, custom AMIs, VPC security groups, strong network and access security, and Elastic IPs, which are the static IPs for dynamic instances.
Bruna Müller - PeerSpot reviewer
License manager at a financial services firm with 10,001+ employees
Centralized asset data has transformed how we manage licenses and make cost-saving decisions
One problem that we faced using Spot by Flexera is that in certain servers, the data was not being updated correctly, and we had a certain delay. For example, someone was using a computer, and then this user received a new one. In Spot by Flexera, we could see both computers, the old and the new one, but the system was not recognizing that the old one was no longer being used. We had a couple of IT assets that were not being used, and we had this information in our internal servers, but Spot by Flexera was not able to update on time. We had to fix this information manually.
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Top Industries

By visitors reading reviews
Marketing Services Firm
11%
Construction Company
10%
Financial Services Firm
9%
Manufacturing Company
8%
Construction Company
13%
Financial Services Firm
12%
Manufacturing Company
11%
Comms Service Provider
10%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business31
Midsize Enterprise14
Large Enterprise30
By reviewers
Company SizeCount
Small Business2
Large Enterprise6
 

Questions from the Community

What is your experience regarding pricing and costs for Amazon EC2?
The licensing fees for Amazon EC2 are affordable, especially for lower tiers where there are fewer requirements or where the load is very low for product development. The pricing is very much affor...
What needs improvement with Amazon EC2?
During the initial setup, we downloaded a certificate because we could not find proper documentation for it. There should be clear direction based on whether you are using Linux or Windows. There w...
What is your primary use case for Amazon EC2?
We use Amazon EC2 for our databases as well as CRM DNS to host our applications. For 3D architecture, we use the EC2 constraints.
What needs improvement with Spot Ocean?
One problem that we faced using Spot by Flexera is that in certain servers, the data was not being updated correctly, and we had a certain delay. For example, someone was using a computer, and then...
What is your primary use case for Spot Ocean?
For the past two years, I have been developing a project to implement Spot by Flexera as a software asset management tool. It is used to manage all the IT assets and software licenses within all th...
What advice do you have for others considering Spot Ocean?
The interface of Spot by Flexera was very simple to use. Spot by Flexera Academy had lots of important information that made the usage even easier. In general, I do not think there are any addition...
 

Comparisons

 

Also Known As

Amazon Elastic Compute Cloud, EC2
Spot Ocean, Spot Elastigroup, Spot Eco
 

Overview

 

Sample Customers

Netflix, Expedia, TimeInc., Novaris, airbnb, Lamborghini
Freshworks, Zalando, Red Spark, News, Trax, ETAS, Demandbase, BeesWa, Duolingo, intel, IBM, N26, Wix, EyeEm, moovit, SAMSUNG, News UK, ticketmaster
Find out what your peers are saying about Amazon EC2 vs. Spot by Flexera and other solutions. Updated: June 2026.
908,800 professionals have used our research since 2012.