Software Alternatives & Startups

Katalon VS EJS

Compare Katalon VS EJS and see what are their differences

Katalon

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.

Rating
0 reviews
EJS

An open source JavaScript Template library.

Rating
0 reviews
Pricing
Open source
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, EJS should be more popular than Katalon. It has been mentioned 26 times since March 2021.

social mentions
12 vs 26
Automated Testing popularity
100% vs 0%
alternatives listed
218 vs 157

Base details

Website, pricing, platforms and company facts side by side.

Katalon
EJS
EJS
Website katalon.com ejs.co
Pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Katalon 7 features
EJS
EJS 6 features
  • User-Friendly Interface
    Katalon's intuitive and easy-to-navigate interface lowers the barrier for entry, making it simple for both novice and experienced testers to create and manage automated tests.
  • Cross-Browser Testing
    It supports automated testing across different browsers and platforms, ensuring consistent behavior of applications in various environments.
  • Integrated Reporting
    Katalon offers robust reporting and dashboard features, providing detailed insights and analytics on test execution and results.
  • Built-in Keywords
    The platform includes a comprehensive library of built-in keywords for web, API, mobile, and desktop testing, reducing the need for custom scripting.
  • Community and Support
    An active community along with comprehensive documentation and professional support services help users troubleshoot issues and share best practices.
  • Cost-Effective
    Offering both free and paid versions, Katalon is cost-effective and accessible for both small teams and large enterprises.
  • Integration Capabilities
    Katalon integrates well with popular CI/CD tools, version control systems, and other DevOps tools, enabling seamless workflows.

Possible disadvantages

  • Performance Issues
    Some users report performance lags and slow test execution speeds, especially when dealing with large test suites.
  • Limited Scripting Language Options
    Katalon primarily supports Groovy for scripting, which could be a limitation for teams accustomed to other languages like Python or JavaScript.
  • Resource Intensive
    The platform can be resource-heavy, requiring robust hardware to run efficiently, which could be a concern for smaller setups or limited environments.
  • Steep Learning Curve for Advanced Features
    While the interface is user-friendly, advanced features and customizations have a steep learning curve that might require significant time investment.
  • Limited Mobile Testing Features
    Mobile testing capabilities, while present, are not as mature or extensive as some specialized mobile testing tools.
  • Pricing for Enterprise Features
    Advanced features and extensive support come at a cost, which might be a hurdle for smaller teams or organizations with limited budgets.
  • Integration Limitations
    Although Katalon integrates with many tools, it still lacks compatibility with some niche or less popular systems.
  • Simplicity
    EJS is easy to learn and use, especially for developers who are already familiar with JavaScript. The syntax is straightforward, making it a good choice for quick application development.
  • JavaScript Integration
    Since EJS templates are JavaScript files, you can seamlessly integrate JavaScript code, making it easy to manipulate data and use familiar JavaScript functions.
  • Lightweight
    EJS is a lightweight template engine, which makes it an optimal choice for applications where performance and simplicity are critical.
  • Flexibility
    Allows for the embedding of plain JavaScript within the templates, giving developers the flexibility to add logic directly in their HTML.
  • Partial Templates
    Supports partials, which help to reuse code snippets across different views, promoting DRY (Don't Repeat Yourself) principles.
  • Server-Side Rendering
    Supports server-side rendering, which can improve performance by reducing the amount of client-side processing needed.

Possible disadvantages

  • Limited Functionality
    Compared to more feature-rich template engines like Handlebars or Pug, EJS offers limited functionalities which might be a drawback for large, complex projects.
  • Debugging
    Debugging EJS templates can sometimes be challenging. Errors within templates can often be vague, making it difficult to trace the root cause.
  • Maintenance
    Embedding a lot of JavaScript within templates can make the code harder to read and maintain, especially as the complexity of the application grows.
  • Performance Overhead
    For very large and complex templates, EJS can introduce a performance overhead compared to more optimized template engines designed for high performance.
  • Community and Support
    While EJS has a reasonable user base, the community and support may not be as extensive as more popular alternatives like React or Vue.js.

Analysis

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

Katalon
EJS
EJS

Overall verdict

  • Katalon is a highly regarded tool in the test automation field. It offers a comprehensive solution for both beginner and advanced users, making it an effective choice for many organizations looking to implement automated testing.

Why this product is good

  • Katalon is considered a good option for test automation due to its user-friendly interface, extensive support for different types of testing such as web, API, mobile, and desktop applications, and its integration with a variety of tools like CI/CD pipelines, version control systems, and issue tracking tools. It provides built-in keywords, dual scripting interfaces (manual and Groovy scripting), and robust reporting capabilities, which streamline the test automation process for users with varying levels of expertise.

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

  • Yes, EJS is considered good, particularly for projects where developers want ease of use and flexibility with JavaScript templating. It is lightweight, easy to learn, and integrates well with Express, a popular Node.js web application framework.

Why this product is good

  • EJS (Embedded JavaScript Templating) is popular because it provides a simple way to generate HTML markup with plain JavaScript. It allows for the embedding of JavaScript logic within your HTML templates, making it straightforward to use for those familiar with JavaScript. It's known for its efficiency in rendering templates and ease of integration with Node.js applications.

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.

Videos

Walkthroughs and reviews on video.

Katalon 3 videos + Add
EJS
EJS 2 videos + Add

Katalon Studio: Advantage and Disadvantage to Katalon Studio

More videos

  • - TestProject vs Katalon Studio - An Complete comparison
  • - QnA Friday 20 - Selenium or Katalon Studio ? ⭐⭐⭐

Kane Creek - Bestop Trail Review at EJS 2019

More videos

  • - JavaScript Templating Tutorial | Introduction To EJS

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Katalon
EJS
EJS
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Katalon and EJS. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Katalon no reviews yet
EJS
EJS no reviews yet

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We have no reviews of EJS yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Katalon 12 mentions
EJS
EJS 26 mentions
  • How to Consolidate Your QA Toolstack: A Practical Buyer's Guide
    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
  • Top 6 AI API Testing Tools for Developers (2026)
    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
  • Top 5 AI Test Case Generation Tools to Boost Your API Testing in 2025
    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

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  • Next.js vs Express: What to Choose in 2025?
    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
  • Chapter 7: HTML part two
    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
  • Web Components and SSR - 2024 Edition
    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

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Alternatives to Katalon and EJS

When comparing Katalon and EJS, you can also consider the following products.