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Worksoft Certify vs k6 Open Source 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:
 

Categories and Ranking

k6 Open Source
Average Rating
7.6
Reviews Sentiment
7.9
Number of Reviews
2
Ranking in other categories
Load Testing Tools (7th), Regression Testing Tools (9th)
Worksoft Certify
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
84
Ranking in other categories
Functional Testing Tools (2nd), API Testing Tools (6th), Test Automation Tools (3rd)
 

Featured Reviews

ArtemCheremisin - PeerSpot reviewer
Performance Test Engineer at BETBY
Lighter on the RAM and has native Grafana support
The tool's big advantage is that it is more performance-test oriented for experienced testers who know what they are doing. In a normal working setup, performance engineers frequently work with DevOps and development teams. For these teams, k6 Open Source's syntax is much simpler and easier to understand and apply in the working process. Recently, I had a case where I was using another tool, and there wasn't enough memory for it because it required more RAM. k6 Open Source, on the other hand, is lighter and doesn't have a UI, which is beneficial. An engineer I was training could use k6 Open Source scripts even without my help. The tool is more efficient and has native support with Grafana, as both are developed by the same company. This integration enhances monitoring and loss ratio tracking. Thanks to its intelligent GUI, k6 Open Source's design is simpler, particularly for complex scenarios. When we need to manage hundreds of thousands or millions of transactions per minute, the solution becomes a game-changer compared to JMeter.
Muddisetty Arun Kumar - PeerSpot reviewer
WorkSoft Certified Automation Engineer at Qualesce
Automation has delivered strong ROI with AI-driven test prioritization and parallel reporting
The best feature of Worksoft Certify is the automatic report generation. Unlike traditional tools like Selenium or Java-based frameworks where reporting often requires custom coding, Certify handles this natively. We are currently utilizing the 14.5 version, which has modernized these capabilities, though we frequently manage backward compatibility for clients still running on the 12.x version series.

Quotes from Members

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

Pros

"The standout feature of k6 is its strong focus on API performance testing."
"The tool's big advantage is that it is more performance-test oriented for experienced testers who know what they are doing. In a normal working setup, performance engineers frequently work with DevOps and development teams. For these teams, k6 Open Source's syntax is much simpler and easier to understand and apply in the working process."
"We saved $1.3 million using Worksoft Certify in 2017."
"It is a lot easier to maintain test scripts on Worksoft Certify than on other testing tools that we have had in the past."
"I can definitely recommend it to other users."
"Worksoft Certify provided outstanding feature support for SAP test automation which is unrivaled by other tools in the market."
"The Worksoft Capture feature is most valuable. For example, if you are creating a sales order in SAP, you do not need to go to each field and do everything. You do not need to write code for each and every line. You can just turn on the Worksoft Capture feature and manually perform your actions. It will capture all manual actions, and it will give you the steps. It will write the steps for you."
"We have been able to save on a lot of manual work for some very high skilled, expensive resources. This has been able to free up a significant amount of their time so they can spend more time on innovation and more creative, value-add activities. That's been one of the more rewarding things that we've done, and the most appreciated."
"I would recommend it, though it's a costlier solution, but the script-less automation is very useful."
"I would recommend Worksoft Certify to other users without any hesitation, including for its ease of learning, ease of automation, low maintenance, time savings, and the availability of reporting templates."
 

Cons

"One area where k6 could improve is by introducing a GUI similar to JMeter."
"Based on my colleagues' feedback, there are still some minor issues concerning continuous testing, particularly related to the timeout feature."
"We have had run ins with some bugs on Business Process Procedure (BPP) and Execution Manager."
"Another negative of this tool is that its license is costly. It is a bit more expensive than other tools."
"The level of technical support depends on the engineer who comes to the call. I'm not really happy with it."
"As part of our weekly regression, we wanted to use Execution Manager. However, from 2017 until March 2021, Execution Manager was not working as expected in our enrollment. It could have been better. If Execution Manager had worked well, then we could have doubled our productivity. Unfortunately, it had problems."
"The overall speed and performance of this solution could be improved."
"I would rate the stability as a seven out of ten. If there is a test script I'm running five times, I have apprehension that it might not be successful five times."
"We ran into some issues with the version that we were on during the initial setup. We ran into a bug on one version, then they upgraded us to a new version, and we got hit with another bug."
 

Pricing and Cost Advice

Information not available
"The license cost is quite high. This might not be a consideration for a large company, but it will be for a small company. E.g., Tricentis (their competitor) offers certain exclusive use cases where a company can use it in a certain way, so this is another option that companies consider."
"We could use Certify to do robotic process automation, which is basically running a process on your correction system instead of your test system. Therefore, we may do that in the future."
"By using automation, it reduced about 75 percent of the time when compared to any other tool."
"We no longer need ten people sitting and manually testing something. We can just have one person running the entire regression automation testing suite, and this has saved us dollars."
"It is costly. It is a bit more expensive than Tricentis Tosca and other tools. If they reduce its price going forward and have partnerships with other vendors, it will grow like anything."
"Saving money and better quality, these are the benefits of Certify."
"It saves us time: approximately 50 percent."
"The tool is not really good at all because you need to purchase some additional tools."
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Top Industries

By visitors reading reviews
Computer Software Company
14%
Financial Services Firm
11%
Construction Company
8%
Retailer
8%
Manufacturing Company
14%
Energy/Utilities Company
10%
Retailer
8%
Financial Services Firm
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business16
Midsize Enterprise6
Large Enterprise70
 

Questions from the Community

How does Tricentis Tosca compare with Worksoft Certify?
Tosca fulfills our business needs better because it is an end-to-end solution across technologies. We like that it is scriptless, so even non-experienced staff can use it. To put it simply, with To...
What is your experience regarding pricing and costs for Worksoft Certify?
I am aware that Worksoft Certify is not free, but I do not know the exact price, and I think it is a bit pricey. However, Worksoft Certify is a great tool, and I think the money that you will spend...
What needs improvement with Worksoft Certify?
In my early experience using Worksoft Certify as a beginner, there were some cases where I would capture an object. Since we were working in a similar sandbox with multiple resources, sometimes the...
 

Also Known As

Load Impact
No data available
 

Overview

 

Sample Customers

rackspace, salesforce.com, IBM, servicenow, Nasdaq, JWT
Kraft, Reliant Energy, Richemont, Applied Materials, Siemens PLM, Mosaic, Dow Corning, ebay, IBM, Accenture, Fortis BC, US Government, Southwest Airlines
Find out what your peers are saying about Worksoft Certify vs. k6 Open Source and other solutions. Updated: April 2026.
894,738 professionals have used our research since 2012.