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Which is better – Automation Testing Vs Manual Testing?

Welcome to our amazing automation testing blog series! We’re thrilled to present the first installment, where we dive into the exciting world of automation and its crucial role in the software lifecycle.

Automation Testing Unleashed!

Exploring the Crucial Role of Automation in the Software Lifecycle

So, what exactly is automation testing? Well, it’s a game-changer! Automation testing involves carrying out software testing activities with minimal human involvement, resulting in enhanced speed and efficiency. But hold on, automation testing is not meant to replace manual testing. Instead, it complements it by continuously detecting bugs in the system, just like manual testing, while also outsourcing QA. 

Benefits of Test Automation

The Power of Automation Testing

Efficiency, Speed, and Continuous Bug Detection 

When it comes to web or mobile automation, the process automates repetitive and functional parts of software testing. However, it doesn’t automate the entire process. You see, automation brings a whole range of benefits, including increased productivity and reduced costs. With the rapid development cycles these days, there are countless functionalities that need testing. Trying to validate all the combinations manually within the given time frame and software development cost is simply not feasible. 

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Unleashing the Benefits of Test Automation

Saving Time, Money, and Improving Test Coverage 

Let’s talk about the benefits of test automation. Brace yourself because this is going to blow your mind! Automation testing is ideal when you have large projects, as it can save you loads of time, and in many cases, it even improves test coverage and saves you money. It makes sense to implement automation when: 

  • The cost is a factor 
  • Repetitive tests are involved 
  • Time needs to be saved 
  • Quality is guaranteed to improve 
  • Tests need to be run frequently 
  • Multiple tests need to be run simultaneously 

Manual Testing vs. Automation Testing: The Showdown 

Comparing Effort, Processing Time, and Investment Manual Vs Automated Testing

Now, let’s compare automation testing with manual testing. Picture a friendly showdown between two testing methodologies. Remember, the initial effort required for automating tests is usually greater than that of manual tests, but the rewards are worth it. 

In manual testing, test cases are executed by human testers and software, while in automated testing, testers use automated tools to execute the test cases. Processing time is significantly reduced with automation, making it faster than the manual approach.  

When it comes to the initial investment, manual testing has lower costs, but the return on investment (ROI) diminishes in the long run. On the other hand, automation testing requires a higher initial investment, but the ROI improves over time. 

Exploring the Versatility of Automation Testing 

From UI Changes to Reliability and Cost-Effectiveness 

In manual testing, exploratory testing is possible, allowing for spontaneous and creative testing scenarios. However, automation testing doesn’t support random testing and requires specific test cases to be defined.  

When there’s a UI change, manual testing is less affected, while automation testing requires modifications to ensure it works as expected. 

Reliability is another critical factor. Manual testing can be prone to human errors, making the results less accurate. In contrast, automation testing is incredibly reliable because there’s no testing fatigue involved.  

Manual testing relies heavily on human resources, whereas automation testing requires investment in automation tools. As for cost-effectiveness, high-volume regressions are not cost-effective in manual testing, while low-volume regressions are not cost-effective in automation testing. 

Here’s a quick breakdown: 

Manual Testing 
  • Test cases executed by human testers and software 
  • Time-consuming and requires more human resources 
  • The initial cost is less, and ROI gets low in the long run 
  • Supports exploratory testing 
  • Less affected by UI changes 
  • Results are not as accurate due to human errors 
Automation Testing 
  • Test cases executed using automated tools 
  • The faster processing time and requires fewer human resources 
  • The higher initial investment, but ROI improves over time 
  • Requires specific test cases to be defined 
  • Requires modifications for UI changes 
  • Highly reliable with minimal testing fatigue 

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Unveiling the Best Automation Testing Tools 

Open-Source and Paid Solutions for Every Testing Need 

Test report visibility differs as well. Manual testing often records results in Excel, making them less readily available, whereas automation testing allows everyone to log into the automation system and check test results effortlessly. Batch testing is another aspect to consider.  

Manual testing cannot batch tests, while automation testing can batch multiple test scripts for nightly execution. 

When it comes to setup, manual testing requires a simple test execution setup, while automation testing requires a slightly more complex setup. No programming knowledge is needed for manual testing, but it becomes mandatory for automation testing. 

Now let’s talk engagement! Repetitive test execution in manual testing can be tedious and prone to errors, whereas automation testing is accurate and leverages powerful tools to get the job done. Frameworks also play a role.  

Manual testing may use checklists and guidelines for certain test cases, but it doesn’t rely on a framework. Automation testing, on the other hand, utilizes frameworks like Data Drive, Hybrid, and Keyword, which accelerate the automation process. 

Value-Driven QA Engineering and Software Testing Services 

Unlocking Quality and Efficiency in Your Software Development 

In summary, manual testing is suitable for test cases that need to run once or twice, while automation testing is ideal for executing the same set of test cases frequently. Manual testing comes with a higher risk of missing pre-decided test deadlines, while automation testing carries zero risks of missing out on predetermined tests.  

Additionally, automation testing proves useful for build verification testing, which can be challenging and time-consuming with manual testing. It also aligns well with the principles of DevOps and contributes to the overall DevOps cycle. 

Free Consultation: Your Gateway to Automation Testing 

Guidance, Expertise, and Tailored Solutions 

Now that we’ve covered the differences, let’s not forget to mention some of the best automation testing tools out there! In the realm of open-source tools, we have: 

Selenium: The ultimate automation testing suite that revolutionizes browser and API testing. 

– Cucumber: A behavior-driven development tool for writing acceptance tests for web applications. 

– Cerberus Testing: A remarkable low-code test automation platform that supports various applications, including web, iOS, Android, and APIs.


If you’re looking for paid tools, we’ve got you covered there too! Consider:


– HP UFT (aka QTP): A powerful intelligent test automation tool that accelerates testing across different types of applications. 

– ACCELQ: Built on a codeless architecture, it offers a comprehensive test automation solution with full integration into the test lifecycle. 

– Katalon Studio: A top-notch automation testing solution built on open-source frameworks, specializing in web, API, mobile, and desktop application testing. 

If you have any questions or need further assistance, don’t hesitate to reach out to us. We’re here to provide a free consultation and guide you through the world of automation testing. And remember, the ROI of automated testing may seem low initially, but as you continue testing subsequent releases, the manual effort decreases, and the ROI keeps increasing. 

Stay tuned for our upcoming blog, where we’ll delve into Selenium, its various frameworks, why we need it, and how we’ve successfully implemented it in our projects. In the meantime, if you’re interested in our value-driven QA engineering and software testing services, feel free to check them out here  

Happy testing! 


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