5 Best Automation Tools in 2021: Pros and Cons

Jul 21, 2021

What are the 5 Best Automation Tools for QA today

The pandemic has proven one thing, it’s accelerated digital transformation by 5 years and with it the need to embrace the best automation tools more than ever. According to global consulting firm, McKinsey.

The share of digital or digitally enabled products in company portfolios has accelerated by a shocking seven years. –McKinsey & Company

This has software development and software testing teams hurrying to get product out the door faster than ever. What best automation tools are teams using these days to help keep the pace in demand? Should you make the jump, or is there a better way to leverage what you already have created?

  1. Selenium
  2. Cypress
  3. Appium
  4. Cucumber
  5. Robot Framework

1. Selenium: Best Automation Tool


Selenium, best for web apps.

Selenium is the market leader in providing a suite of open source software testing automation tools for the quality assurance world. Selenium is free to use and competes on the scale of that of paid tools. Fits perfectly behind the main principles of Agile, DevOps, or Continuous Delivery.


  • Free.
  • Wide range of supported languages, platforms, and browsers.
  • Library of extensions and plugins.
  • Supports Mobile Testing.


  • No tech support.
  • No reporting capabilities.
  • Steep learning curve.
  • Best only used for web-based apps.

2. Cypress


Complete end-to-end testing

Cypress is a JavaScript-based end-to-end testing framework. Fast, easy, and reliable testing for anything that runs in a browser. Cypress helps front end developers and QA create unit, integration, and end-to-end tests.


  • Easy setup and installation.
  • Easy debugging.
  • Large choice of plugins available.


  • Doesn’t support other browsers, such as IE and Safari.
  • Can’t test across domains.
  • Doesn’t support native mobile actions.

3. Appium

Best for mobile applications

Appium is a open source test automation framework for use with native, hybrid and mobile web apps. It’s one of the few tools that makes mobile testing truly convenient.


  • Open-source tool.
  • Supports multiple mobile platforms.
  • Supports most of the scripting languages, such as Java, Ruby, JavaScript, etc.
  • Easily integrated with CI tools.


  • Configuration is a bit complex, difficult for beginners.
  • Documentation can be confusing.
  • Some backward compatibility issues.

4. Cucumber

cucumber BDD

Best for BDD

Cucumber is a cross-platform behavior-driven development (BDD) tool that writes acceptance tests for web applications. Developers describe Cucumber as “simple, human collaboration.”


  • Readability promotes teamwork.
  • Communication between Testers and Analysts.
  • Reusability decreases steps.


  • If either user or the developer is absent in communication, the strength of BDD becomes it’s biggest weakness.
  • Difficult to maintain health of test frameworks as application changes.
  • High level of maintenance .

5. Robot Framework

File:Robot-framework-logo.png - Wikimedia Commons

Best Acceptance-Driven Test

Robot Framework is the best choice if you want to use a python test automation framework for automation efforts. RF uses a keyword-driven approach to make tests easy to create.


  • Open Source.
  • Very easy to install and easy to use.
  • Compatible with different operating systems and external libraries, such as Selenium Library.
  • Can be used by non-technical skills.


  • Difficult to maintain.
  • Lack of parallel test execution.
  • Not easy to customize html reports.

Given the rapid increase in demand from developers and testers, any one or combination of these test frameworks can help automation testing practices.

Appsurify TestBrain

Impact Based Testing

Best for Automation Test Completion Time

Appsurify TestBrain is the best choice if you are looking to get instant feedback from automation testing. Risk-based QA testing tool that plugs into existing test practices to accelerate test results by 10x, quarantine flaky failures, optimize CI/CD pipelines so builds pass on time and with confidence.


  • Instant feedback from automation testing through Risk Based testing.
  • Plugs into existing test practices.
  • Accelerates and stabilizes active CI/CD Pipelines.


  • Needs existing test practice to be in place.
  • Model takes 2-3 days to build.

Apart from the above-mentioned tools, there are a plethora of other automation testing tools in the market to help with their company’s digital transformation. The automation testing tools list mentioned here is some of the popular QA automation tools. Each and every tool has its unique features to address the challenges of software automation.