
Selenium
Testsigma
TestMu AI (Formerly LambdaTest)
TestComplete
Ghost Inspector
mabl
BrowserStack
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.

Magnet Window Manager
yabai
BTT Remote
Moom
Homebrew
AppCleaner
iTerm2
Window management app based on Spectacle, written in Swift.

Which is more popular?
Based on our record, Rectangle seems to be a lot more popular than Katalon. While we know about 480 links to Rectangle, we've tracked only 12 mentions of Katalon.
Website, pricing, platforms and company facts side by side.
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| Website | katalon.com | rectangleapp.com |
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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
Rectangle is recommended for macOS users looking for a straightforward, lightweight solution to manage application windows. It is particularly beneficial for those who frequently work with multiple applications at once, including developers, designers, and anyone who values a tidy and organized desktop environment.
Walkthroughs and reviews on video.
Katalon Studio: Advantage and Disadvantage to Katalon Studio
More videos
SKYWALKER RECTANGLE TRAMPOLINE REVIEW!!!
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Katalon and Rectangle. 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...
Rectangle shows that you don’t need to dip into your bank account to get window resizer tools. This free Mac window manager lets you manage multiple windows using keyboard shortcuts, menu options, or by dragging and...
Most window manager apps for Mac support multiple monitors. They can help you move windows between screens and create custom layouts for each monitor. Many window manager apps – such as BetterSnapTool, Magnet, and...
However, it might take some time for you to get used to the shortcuts in the Rectangle app since there are many. Furthermore, you can also add some of your apps to exceptions if you want to keep them away from...
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 / 4 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 / 6 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 / 12 months ago
Rectangle solved my macos window management annoyances. https://rectangleapp.com/ Not involved in dev of this, just a happy user. - Source: Hacker News / about 1 month ago
As a both old Linux and now decade user of MacOS, after I got used to no middle-click paste and no focus-follows-mouse: 1. Keyboard shortcuts are Emacs, Ctrl-A: start of line, E: end of line, K: kill selected or to end of line, Y to... - Source: Hacker News / 5 months ago
Every macOS user uses Rectangle.app — https://rectangleapp.com The ones who don't use it is because they don’t know it exists. - Source: Hacker News / 6 months ago
When comparing Katalon and Rectangle, you can also consider the following products.

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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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A tiling window manager for macOS based on binary space partitioning
Compare yabai to Katalon or Rectangle:

World’s first full-stack Agentic AI Quality Engineering platform.
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