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ReadyAPI vs StresStimulus comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 5, 2025

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

ReadyAPI
Ranking in Performance Testing Tools
7th
Average Rating
7.8
Reviews Sentiment
7.0
Number of Reviews
37
Ranking in other categories
Functional Testing Tools (14th)
StresStimulus
Ranking in Performance Testing Tools
9th
Average Rating
8.0
Reviews Sentiment
7.9
Number of Reviews
3
Ranking in other categories
Load Testing Tools (9th)
 

Mindshare comparison

As of January 2026, in the Performance Testing Tools category, the mindshare of ReadyAPI is 3.3%, up from 2.9% compared to the previous year. The mindshare of StresStimulus is 2.2%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Performance Testing Tools Market Share Distribution
ProductMarket Share (%)
ReadyAPI3.3%
StresStimulus2.2%
Other94.5%
Performance Testing Tools
 

Featured Reviews

PK
Lead QA Engineer at Msys Technologies
Experience effective testing with flexible licensing alongside pivotal insights on essential improvements
For non-functional testing, I focus on performance and security. For performance and security tests, I used REST API, SoapUI, and JMeter. These tools help us conduct thorough testing across these dimensions. I find ReadyAPI helpful especially in overcoming security issues, as we experienced slowness in the application after merging our JAR files. For instance, if a person wants to access a university database and encounters a timeout error, we learned through ReadyAPI that the issue was due to HTML protocol limits with the payload. We fine-tuned this process to display the expected data effectively. I consider ReadyAPI a cost-effective solution because it covers three verticals without needing to purchase separate tools for security, performance, or functional testing. ReadyAPI is a versatile tool for creating multiple testing frameworks and validating various parameters seamlessly. REST API is the tool I use to test all three types of articles, meaning I validate the APIs I send to my peers or clients for functional testing, and I also perform security testing to ensure the URL and data passed through multiple components adhere to policies and user privileges. This is done through functional security testing using the REST API tool, and for performance, I ensure that applications can be accessed simultaneously by multiple users without hindrance or slowness through thorough performance testing.
Shiju Chandran - PeerSpot reviewer
Manager - Performance & Site Reliability at AssureCare LLC
Good performance testing, simple UI, and the ability to run the same script across different domains
StresStimulus simulates browser HTTP calls. I would love to see where it can also simulate a real browser to measure visually complete time. For example, to be something similar to TruClient. We run tests on SQL statements and stored procedures directly, even before integrating with UI. I wish there were a way to connect to my application DB and run SQL queries using a JDBC connection. In a world where the applications are changing every day, I hope StresStimulus comes up with an option to compare HTTP requests before and after deployment and tell me what requests have changed. This would help avoid rescripting every time, and this would be a huge deal.

Quotes from Members

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

Pros

"This solution is very intuitive. Once you finish your first few testing cases, you can change several parameters and create lots of testing cases. You could use the same testing cases for different purposes such as automation, performance and screen testing."
"The initial setup of ReadyAPI is straightforward."
"The most valuable feature is being able to run each version for test suites."
"ReadyAPI's best features are that it's user-friendly and its behavior-driven development is flexible."
"The most valuable features of ReadyAPI are the scripting tools and the connectivity to external data sources, such as Excel and PDF files. There are plenty of useful features that are useful, such as automating flexibility and usability. Overall, the solution is easy to use."
"It's easy to automate for more data-driven testing."
"The feature that allows you to import an API collection or a project is valuable."
"It's easy to implement."
"Designed to be a modern testing tool, StresStimulus made it easy for us to upgrade from an older deprecated testing tool and adapt to Agile DevOps testing principles by shifting left with performance testing."
"Compared to other tools, there is not a whole lot to Stress Stimulus UI. This makes it easy to use, be it while scripting, executing, or having to train someone new to the team."
"Technical support is great."
 

Cons

"The performance in some cases needs improvement. Sometimes it requires too many resources."
"ReadyAPI could improve by having dynamic validation information."
"One issue I found with ReadyAPI is related to event listeners compared to JMeter or SoapUI. We created an in-house dashboard to display automation runs across projects, which required manual updating of event listeners for new project imports."
"There are lots of options within the solution, however they are not upfront or user-friendly."
"Can be improved by including an inherent feature for UI automation."
"The Property Transfer capability could be more user friendly because it is a bit difficult to understand."
"Performance and memory management both need to be improved because other solutions use less memory for the same amount of data."
"Currently, we don't extensively use the performance testing due to license costs. License prices can be a factor in considering which technologies to adopt."
"Result analysis (snap-out tabs for side-by-side comparisons) need improvement."
"We run tests on SQL statements and stored procedures directly, even before integrating with UI. I wish there were a way to connect to my application DB and run SQL queries using a JDBC connection."
"StresStimulus has a dedicated blog where users of the tool can log new feature requests or enhancements to existing features."
 

Pricing and Cost Advice

"The price was around $6,000 for one license, but I don't remember exactly. It is definitely expensive. Our organization was planning on having multiple licenses for this year."
"ReadyAPI is moderately priced, with added costs for more plugins."
"We use fixed licenses, and the last time I checked, I want to say it's around $680 per seat per year."
"The pricing is very competitive."
"It costs approximately $200 000 Taiwan Dollars for three years."
"There are costs in addition to the licensing fee. For example, if you want to add the load testing you would pay more."
"We have approximately 12 licenses in place. There are other solutions that are more expensive than ReadyAPI that have more features, but if the scope of the project is limited to SOAP and REST service, then this is the best option."
"The thing with ReadyAPI is that you have to buy different licenses for different purposes."
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Top Industries

By visitors reading reviews
Financial Services Firm
15%
Computer Software Company
11%
Insurance Company
10%
Manufacturing Company
7%
University
14%
Comms Service Provider
12%
Hospitality Company
12%
Computer Software Company
11%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise5
Large Enterprise28
No data available
 

Questions from the Community

What do you like most about ReadyAPI?
The performance testing capabilities are very good.
What is your experience regarding pricing and costs for ReadyAPI?
Currently, we don't extensively use the performance testing due to license costs. License prices can be a factor in considering which technologies to adopt.
What needs improvement with ReadyAPI?
One issue I found with ReadyAPI is related to event listeners compared to JMeter or SoapUI. We created an in-house dashboard to display automation runs across projects, which required manual updati...
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Also Known As

Ready API
No data available
 

Overview

 

Sample Customers

Healthcare Data Solutions (HDS)
Information Not Available
Find out what your peers are saying about ReadyAPI vs. StresStimulus and other solutions. Updated: December 2025.
881,114 professionals have used our research since 2012.