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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 (10th)
Worksoft Certify
Average Rating
8.4
Reviews Sentiment
6.9
Number of Reviews
68
Ranking in other categories
Functional Testing Tools (8th), API Testing Tools (11th), Test Automation Tools (10th)
 

Featured Reviews

NalinGoonawardana - PeerSpot reviewer
Offers good scalability and has the ability to integrate with various systems and services
One area where k6 could improve is by introducing a GUI similar to JMeter. While k6 is a powerful tool for performance testing, it leans heavily towards coding. Having a GUI, even if it is a low-code approach, could make it more accessible to a broader audience. It would be beneficial to strike a balance where basic tasks can be performed graphically through a user-friendly interface, while still allowing the flexibility for more complex operations through code, similar to how JMeter operates. This could enhance the user experience and make k6 more approachable for those who may not be as comfortable with scripting.
Venkata Manikanta Somala - PeerSpot reviewer
Best tool for SAP Environment & Powerfull Automation tool with user friendly interface
From my experience, Worksoft Certify is a good tool for automating SAP, and it also works fine with web apps. But while creating or running scripts, we do face some automation abort issues, which break the flow and need rework. Also, sometimes it feels a bit slow, especially when running more scripts together. If the speed and stability can be improved, that would really help. We are using CTM for scheduling and managing runs it’s useful, but there’s still some scope to improve things like live monitoring and checking results more easily.

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."
"Automation using Worksoft Certify has saved our testing times by 40% to 50%."
"Certify integrates with other tools and it works very well with other machine testing applications."
"It does allow for good reusability. When it's designed properly and utilized properly, we can put things in a way that allows for reusability, meaning a lot of reuse of VA01, if they're very similar flows, to keep it simple."
"It's script-free, which is really important for our end users because we are usually dealing with colleagues who are not developers and who do not always have the technical background of developing and scripting. It's very useful that there is a nice UI and the tool is script-free."
"What I like about Worksoft Certify is that end-to-end testing becomes faster."
"The most valuable feature is its time saving. Once development is complete, the short time that it takes to execute a test is invaluable. It saves a number of dollars and man-hours."
"Worksoft Certify has good integration capabilities with third-party tools."
"People who don't have coding knowledge are capable of doing automation with Certify. It reduces coding and scripting dependencies."
 

Cons

"One area where k6 could improve is by introducing a GUI similar to JMeter."
"What could be improved in Worksoft Certify is its integration with other tools, for example, test management tools such as Jira, ALM, or any other test management tools. That integration is missing."
"The definitions for the objects need to be automated. They need to be recognized automatically by Worksoft Certify instead of changing them back and forth manually. This is also something that Worksoft is currently working on."
"The web application should be more robust."
"The updates for SAP Fiori have been great, where previously we saw a lot of issues. A year ago, it used to fail miserably."
"We can use it for the web application, but we are facing stability-related challenges. The properties are getting changed. For example, when I am performing any operation on the text box but the development team has done some changes, our Worksoft scripts are getting changed. This is the main challenge that we are facing while developing tests for the web application in Worksoft Certify, where any changes in the backend are indirectly impacting our scripts. For the web application, there is a scarcity of resources. Unlike an SAP application that doesn't require much experience, for the web application, you require experienced people."
"One feature that could be added to Capture 2.0 is generating a PDF file from your capture, so you can see your screenshots and steps."
"Performance on the web UI part, especially with some of the more comprehensive Fiori features, like the complex tables that are being used, could be improved. In those cases we have noticed a lot of execution-time increase with regards to the Certify solution."
"There have been some previous security concerns with the way that Capture has worked. When you turn it on, you don't know what it's capturing. This has raised some concerns in the past, especially in our European regions."
 

Pricing and Cost Advice

Information not available
"The initial investment is probably a little high. It was a little hard for me to sell, but it was a one-shot deal and that's why it's so high. All we are doing now is paying annual maintenance, which we don't have to do if we don't want upgrades, but we do."
"It is expensive compared to some of the other automation tools in the market. However, the benefits and ROI has proved that it has been a good investment."
"On our last big SAP implementation project, we inserted an automation resource into the beginning of the project. Between automating regression processes, data staging, and using our automation to help repair cutover and conversion issues. We saved the project about $1,700,000."
"We have seen that the initial Worksoft implementation has helped our customers reduce their testing cycle time by 50 percent. With further continuous improvement, we have seen cycle time reduced up to 75 percent. That is the level of productivity achieved using Worksoft Certify."
"Worksoft Certify is slightly more expensive compared to other automation tools that are available on the market. However, the majority of the clients who are utilizing this solution, don't care much about the price. The main aspect the clients look for is its stability and reliability on the automation and whether they are able to rely on the automation scripts."
"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."
"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."
"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."
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Top Industries

By visitors reading reviews
Computer Software Company
18%
Financial Services Firm
10%
Manufacturing Company
10%
Retailer
8%
Manufacturing Company
16%
Retailer
12%
Computer Software Company
8%
Energy/Utilities Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

What do you like most about k6 Open Source?
The standout feature of k6 is its strong focus on API performance testing.
What needs improvement with k6 Open Source?
One area where k6 could improve is by introducing a GUI similar to JMeter. While k6 is a powerful tool for performance testing, it leans heavily towards coding. Having a GUI, even if it is a low-co...
What is your primary use case for k6 Open Source?
k6 Open Source is a powerful tool, especially for API-level performance testing. Its integration capabilities and ease of use make it promising for a wider audience.
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 do you like most about Worksoft Certify?
A specific feature that I found to be the most valuable in the solution for our company's work processes stems from the fact that it is useful as a low-code automation tool.
What is your experience regarding pricing and costs for Worksoft Certify?
Yeah, the setup and license cost is a bit high as per I known but if you’re working mostly on SAP, it’s worth it definitely. You just need to plan based on your project and how much you’ll use it.
 

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: July 2025.
865,384 professionals have used our research since 2012.