
Selenium
Testsigma
TestMu AI (Formerly LambdaTest)
mabl
TestComplete
Ghost Inspector
Testim
Built on the top of Selenium and Appium, Katalon Studio is a free and powerful automated testing tool for web testing, mobile testing, and API testing.
Mustache.js
Handlebars
Vue.js
Pugjs
Vash
FLAVE
OneSky
An open source JavaScript Template library.

Which is more popular?
Based on our record, EJS should be more popular than Katalon. It has been mentioned 26 times since March 2021.
Website, pricing, platforms and company facts side by side.
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EJS
EJS
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| Website | katalon.com | ejs.co |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Katalon is recommended for software testing teams and quality assurance professionals who are seeking a cost-effective and versatile automation tool. It's especially well-suited for those who work with diverse technologies and want an all-in-one platform for their test automation needs. Its ease of use makes it accessible for those new to automation, while its advanced features cater to more experienced testers.
Overall verdict
Why this product is good
Recommended for
EJS is recommended for developers building server-side web applications using Node.js and those looking for a simple, yet effective, templating solution. It is particularly suitable for small to medium-sized projects where dynamic content generation is needed and for teams that prioritize simplicity and performance.
Walkthroughs and reviews on video.
Katalon Studio: Advantage and Disadvantage to Katalon Studio
More videos
Kane Creek - Bestop Trail Review at EJS 2019
More videos
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Katalon and EJS. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

Katalon Studio is an integrated environment for API, web, desktop, and mobile testing. It provides a rich feature set for comprehensive testing.
Katalon Studio is a versatile testing platform that provides a comprehensive solution for web, API, mobile, and desktop application testing. It's designed for users of all technical levels and features codeless test...
API testing in Katalon Studio is a comprehensive feature that supports all sorts of REST, SOAP/1.1, and SOAP/1.2 calls. Katalon Studio allows testers to collaborate in multiple ways on their API project, including...
We have no reviews of EJS yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.

Katalon True Platform is designed for teams making the transition from fragmented toolstacks to a unified quality system. It covers the full testing lifecycle in one platform: manual testing, test automation, test management, test... - Source: dev.to / 5 months ago
TL;DR: For AI-native test generation from specs, try Kusho AI. For the most complete platform with the newest AI Agent Mode, go Postman. For open-source and Git-native workflows, Bruno or Hoppscotch are your best bets. Enterprise teams... - Source: dev.to / 7 months ago
Overview: Katalon Studio now offers a beta AI test case generator capable of producing test scenarios from OpenAPI/Swagger specifications. - Source: dev.to / about 1 year ago
Express does not provide SEO benefits by default and would require additional configuration with tools like EJS (Embedded JavaScript) or Handlebars for server-side rendering. - Source: dev.to / over 1 year ago
For a more robust approach, we'd probably need to install a templating language of some kind, such as Twig, EJS, Handlebars, Pug or Mustache (this is not a complete list!). Reading the documentation for posthtml-modules, you'll notice it... - Source: dev.to / over 1 year ago
Server-side Framework SSR is when you use a framework that runs the HTML templating logic entirely on the server to compose the HTML that will be rendered in the browser. These are frameworks like Ruby on Rails, ASP.Net, PHP, or even... - Source: dev.to / almost 2 years ago
When comparing Katalon and EJS, you can also consider the following products.

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
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Minimal templating with {{mustaches}} in JavaScript - janl/mustache.js
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Complete AI-driven Test Automation platform for Web apps, Mobile apps and APIs. Simple English commands to automate complex tests easily and effectively with all the flexibility that enterprise teams need!
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Handlebars is a JavaScript template library that is, more or less, based on ...
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World’s first full-stack Agentic AI Quality Engineering platform.
Compare TestMu AI (Formerly LambdaTest) to Katalon or EJS:
