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OpenText Silk Test vs TestMu AI (Formerly LambdaTest) comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 18, 2026

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

OpenText Silk Test
Ranking in Functional Testing Tools
20th
Ranking in Test Automation Tools
17th
Average Rating
7.6
Reviews Sentiment
6.8
Number of Reviews
17
Ranking in other categories
Regression Testing Tools (8th)
TestMu AI (Formerly LambdaT...
Ranking in Functional Testing Tools
6th
Ranking in Test Automation Tools
8th
Average Rating
8.6
Reviews Sentiment
6.9
Number of Reviews
28
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of March 2026, in the Functional Testing Tools category, the mindshare of OpenText Silk Test is 1.7%, up from 0.9% compared to the previous year. The mindshare of TestMu AI (Formerly LambdaTest) is 4.3%, down from 4.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Functional Testing Tools Mindshare Distribution
ProductMindshare (%)
LambdaTest4.3%
OpenText Silk Test1.7%
Other94.0%
Functional Testing Tools
 

Featured Reviews

JG
Manager of Central Excellence at Alpura
Easy to set up with good documentation and easy management of testing cycles
The solution allows for a complete test cycle. The management of testing cycles are easy. We have good control over test cases. We can capture functional testing very easily. We're actually able to accelerate testing now and have end-to-end cycles for testing. We didn't used to have these capabilities. It's easy to automate and accelerate testing. The product offers very good cross-browser testing capabilities. We can do continuous testing and regression testing.
KK
Practice Specialist at a government with 1-10 employees
Cloud-based testing has simplified remote mobile validation and provides flexible device coverage
I was not impressed with how detailed their analytics and logs are from LambdaTest. The solution we were testing is being used because many of us are working from home. It was easy to implement because with a real phone, we have to bring a real phone to each person. Since three years ago, many employees have been working from home, so we were trying to find a solution for this challenge. We had no need to exploit the information for the analytics generated in the background. The purpose was simply to make it easy for our employees to access a phone. The downsides I noticed include that the pricing was very good, but the visual quality of the image sometimes suffers. The contrast on a real iPhone provides better contrast than with the cloud solution. The only aspect that was less favorable than on a real phone was the contrast of the color.

Quotes from Members

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

Pros

"Scripting is the most valuable. We are able to record and then go in and modify the script that it creates. It has a lot of generative scripts."
"The scalability of the solution is quite good. You can easily expand the product if you need to."
"The ability to develop scripts in Visual Studio, Visual Studio integration, is the most valuable feature."
"It's easy to automate and accelerate testing."
"The statistics that are available are very good."
"The major thing it has helped with is to reduce the workload on testing activities."
"A good automation tool that supports SAP functional testing."
"The feature I like most is the ease of reporting."
"Our test execution time was reduced to 16 mins from five hours when executed in parallel on multiple VMs. This has been extremely helpful!"
"Without a doubt, LambdaTest is one of the big reasons behind our faster deployment and better team collaboration."
"Automation and mobile testing have improved our efficiency."
"The solution is very easy to understand and has a user-friendly UI."
"LambdaTest easily integrates with leading project management, bug tracking, and CI-CD tools like Jira, Asana, Jenkins, Circle CI, and more."
"I was really surprised by LambdaTest; it was a very good service and for the price, I think it is a very good solution."
"LambdaTest is easy to use, and the documentation provides all the needed information."
"The technical support services are excellent."
 

Cons

"Everything is very manual. It's up to us to find out exactly what the issues are."
"The pricing could be improved."
"The pricing is an issue, the program is very expensive. That is something that can improve."
"They should extend some of the functions that are a bit clunky and improve the integration."
"The support for automation with iOS applications can be better."
"The solution has a lack of compatibility with newer technologies."
"Could be more user-friendly on the installation and configuration side."
"We moved to Ranorex because the solution did not easily scale, and we could not find good and short term third-party help. We needed to have a bigger pool of third-party contractors that we could draw on for specific implementations. Silk didn't have that, and we found what we needed for Ranorex here in the Houston area. It would be good if there is more community support. I don't know if Silk runs a user conference once a year and how they set up partners. We need to be able to talk to somebody more than just on the phone. It really comes right down to that. The generated automated script was highly dependent upon screen position and other keys that were not as robust as we wanted. We found the automated script generated by Ranorex and the other key information about a specific data point to be more robust. It handled the transition better when we moved from computer to computer and from one size of the application to the other size. When we restarted Silk, we typically had to recalibrate screen elements within the script. Ranorex also has some of these same issues, but when we restart, it typically is faster, which is important."
"The tool can improve its testing speed. Changing or switching to another mobile phone can be very slow on a real device."
"Mobile application testing will be an added benefit for us if LambdaTest implements this really soon."
"If possible to simulate the finger pinch, it would make it more realistic."
"Sometimes, when multiple users use the tool simultaneously, it can slow down, affecting efficiency."
"LambdaTest needs to improve its speed and memory because it takes a long time to load."
"It would be much easier for us to read the test if they provided dashboard analytics."
"The downsides I noticed include that the pricing was very good, but the visual quality of the image sometimes suffers."
"I didn't like the solution's technical support and how they communicated and tried to fix the issues of customers like me."
 

Pricing and Cost Advice

"Our licensing fees are on a yearly basis, and while I think that the price is quite reasonable I am not allowed to share those details."
"We paid annually. There is a purchase cost, and then there is an ongoing maintenance fee."
"The pricing for LambdaTest is affordable, and one of the reasons we implemented it."
"LambdaTest is priced well, which is why we migrated to it."
"It is free to start, which means you can actually see how it works and then take the decision to buy."
"LambdaTest's pricing is cheaper than that of other similar platforms."
"It is affordable as compared to similar SaaS solutions."
"The pricing could be made cheaper."
"From the customer side, LambdaTest is cheaper for big company usage and works fine as other similar applications."
"It is 60% cheaper and there is no fuss in maintaining the lab, so we have more time to do the testing."
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Top Industries

By visitors reading reviews
Manufacturing Company
14%
Financial Services Firm
8%
Insurance Company
8%
Marketing Services Firm
7%
Financial Services Firm
12%
Computer Software Company
11%
Manufacturing Company
8%
Healthcare Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise3
Large Enterprise10
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise8
Large Enterprise9
 

Questions from the Community

What is your experience regarding pricing and costs for Silk Test?
The pricing depends on the license used. The pricing is similar to others in the market.
What is your primary use case for Silk Test?
The product is used for manual, functional, and performance testing. I'm using the tool for loading data into ERP systems.
What do you like most about LambdaTest?
We use the solution for automation testing and monitoring.
What is your experience regarding pricing and costs for LambdaTest?
The pricing of LambdaTest depends on the deal negotiated. It is cost-effective compared to competitors like BrowserStack ( /products/browserstack-reviews ) and Sauce Labs ( /products/sauce-labs-rev...
What needs improvement with LambdaTest?
I was not impressed with how detailed their analytics and logs are from LambdaTest. The solution we were testing is being used because many of us are working from home. It was easy to implement bec...
 

Also Known As

Segue, SilkTest, Micro Focus Silk Test
No data available
 

Overview

 

Sample Customers

Krung Thai Computer Services, Quality Kiosk, Mªller, AVG Technologies
Bringmax, Totpal, Nethhouse, Integreplanner, Cognizant, Vendisol, Clearscale, Edureka
Find out what your peers are saying about OpenText Silk Test vs. TestMu AI (Formerly LambdaTest) and other solutions. Updated: March 2026.
884,328 professionals have used our research since 2012.