Manual vs. Automation QA: Choosing the Right Approach for Your Project

Manual vs. Automation QA: Choosing the Right Approach for Your Project

Oct 26, 2023 16:55 PM

Manual vs. Automation QA

Software testing is essential to the lifecycle of software development. It is done to make sure that the final product is up-to-date. It is often difficult to decide between automated and human testing. Let's quickly add, before we go any further, that manual vs. automated testing can both be analyzed on the basis of their advantages and drawbacks.

While manual testing continues to be widely used, automation testing has grown in popularity over the past few years because of its ability to test many scenarios quickly and efficiently.

It's important to take into account the cost and time associated with manual testing and its use case when deciding between the two. Automated testing, for example, may be cost-effective if the project involves a lot of tests. Manual testing is better for projects with more complex scenarios or those that need frequent changes.

Comparison of Manual vs. Automated Testing

In this section, we would like to compare manual vs. automated testing.

Human testers perform manual testing as opposed to automated testing, which is typically performed by testing tools. Manual testers are responsible for ensuring that the software they test is designed as intended and meets the requirements of the users. Manual testing can either be performed by testers or end users, depending on the goal of the test. Manual testing is more time-consuming than automated testing, but the results are usually sufficient to improve.

Automated testing, on the other hand, is a more advanced form of software testing where the testing activities are completely automated. The goal of automated testing, however, is to improve the quality of the product by identifying or helping to identify errors. It is important to perform automated testing regularly to avoid mistakes and other consequences that could be harmful to your product.

Automated testing can detect any existing bugs in the code. Automated testing eliminates the need for manual testing by using automation testing tools. Manual testing can be time-consuming.

Manual or Automated Testing?

They are good on multiple platforms and encourage strong communication among testing teams. They can also be used on different platforms and promote strong communication between testing teams.

How is Manual Testing Different from Automated Testing?

Let's briefly examine when manual testing and automated testing should be used.

Automated testing is a great way to detect flaws with an application's core features and functionality, but it cannot simulate the user experience. In this situation, manual testing is the best option.

The majority of test automation solutions also confine themselves to the code. This means that if there is a problem outside the code of the product, it will be missed by the automated tests. A hardware failure that affects server response time could cause an unexpected application crash without any warning. A human tester can quickly identify such issues by carefully evaluating the server response time.

Benefits of Manual Testing and Automated Testing

Benefits of Manual Testing

Code outside the code is detected.

Manual testing involves looking for bugs that do not affect the code. For example, server response times The majority of automated testing tools are limited to what they can detect within the code.

It emulates the user experience accurately.

Manual testing gives testers the opportunity to use their knowledge and experience to simulate the user's experience. Automated testing, on the other hand, may not be able to replicate many of the user experiences that are produced by different factors in real-life scenarios.

It is a tool that helps maintain a system that can be tested.

Manual testing is a good way to find issues in an application that may make it untestable.

Human intelligence is used to detect errors.

Manual testing allows testers to detect software errors using their higher cognitive abilities, such as logic and common sense. It helps people detect faults that automated tests may miss. This is why you always need a human to review the automated tests.

Testers can focus on complex features and functionality.

Automated tests can be very time-consuming if you want to simulate all possible scenarios for a product. Manual testing allows testers to concentrate less on simulating every possible user route and more on thinking of edge scenarios for complex features and functionality. Datasets can be used instead to reuse the automated test script for multiple test cases without having to redo each line of code.

Project Knowledge of the Tester

Manual testing allows testers to ensure the quality of a product throughout its entire development cycle by spending more time getting familiar with its features and functions. It helps them retain their understanding of the project. This will be crucial if there are problems after the modifications have been made to the code.

The Advantages and Disadvantages of Manual Testing vs. Automated Testing

Manual vs. Automation QA
Manual testing takes more time than automated testing.

Manual testing requires additional hours to manually examine every feature and functionality of the software. It takes much longer to conduct automated tests. Automated tests can run overnight without supervision.

The testers must have a thorough understanding of the product.

Manual testers need to have a good understanding of the product before they can use it effectively. They can then identify any defects that automated testing might miss if they lack the necessary knowledge. The testers do not have to know all the features and capabilities of automated testing.

Maintaining manual testers is expensive.

Manual testing is not only time-consuming but also expensive, as it must be done by humans (testers) and not machines (automation tools). Automated testing is less expensive because the cost is determined not by the number of times it is run but by how much time and effort is required to code and maintain it.

Humans are prone to making mistakes.

Manual testing is prone to human errors, such as those caused by fatigue, distraction, and lack of attention. These bugs may not be detected if they are ignored. Automated testing is less likely to be mistaken than manual testing since testers do not need to spend as much time checking for bugs after each release.

Maintaining test cases is time-consuming.

Documenting all manual errors in a software program takes longer, and it is more difficult to keep track of any modifications that are made. It is possible to achieve this more effectively by using automated tests that only need updating when new functions or features are added.

The Advantages of Automated Testing

Automation technologies are used by SaaS providers around the globe because they offer several benefits. Automated testing is a powerful tool for software development.

Testing made it easier.

Automated testing has many benefits, including making the process easier.

Most SaaS companies and IT companies test regularly as part of their daily operations. Keep things as simple as possible. Automation has many advantages. When automating tools, it is possible to reuse scripts. Contrary to this, each manual test case requires only one line of code.

Accelerates testing

Machines and automated technology outperform human beings. We use them for their enhanced precision, but also because they are more efficient. Your software development cycle will be shorter.

Reduces human involvement

Testing can be performed at any time, even overnight, and without human supervision. The chance of human error is also reduced when tests are done automatically.

This saves time and money

Automated testing can save testers both money and time. Testing can be time-consuming. Automation may require an initial investment, but it can save businesses money over time, making them more cost-effective. In many cases, team members can better utilize their time and no longer have to perform manual tests. It improves their workflow.

Capabilities for detailed reporting

Automation testing is based on well-crafted test scenarios. These routines are often quite detailed and produce reports that are impossible for a human to produce. It is also possible to deliver them faster.

The bug detection system has been enhanced

Last on our list of benefits is bug detection. Testing a product to find bugs and other defects is a primary reason for testing. Automation testing simplifies this approach. Automation testing can assess a wider range of test coverage compared to humans.

Manual Testing vs. Automated Testing: What are the Advantages of Automated Testing?

It is hard to create testing that is reliable and maintainable.

It's not easy to build a comprehensive suite of automated tests. It must be reliable enough to be repeated and regularly performed without producing false negatives or positives. Your test scripts must, however, be maintainable to allow them to adapt to any changes made to your application. This requires a high level of developer knowledge as well as meticulous implementation and design.

Cannot apply to GUI components.

Automated tests are a great way to test the functionality of an application, but they're not suitable for testing sound or graphics files. It is because computerized tests often require textual descriptions in order to validate the results. Even if the information is valid, an automated test of a picture or audio will fail almost every time.

This must be done for every new environment.

If you change an environment, then your automated tests need to be updated in order for them to be valid. This means that your automated tests will need to be rewritten in different locations, including your local development environment and CI system.

Produces both false positives (false negatives) and false positives (false positives).

Automated tests can fail even when there are no real problems. It could be that the test contains a mistake or is not broad enough to cover its intended uses. If your tests are only meant to verify that something exists and not whether it performs the way you expect, they could produce false negatives.


Automation tests may take longer than manual tests to create, especially if they are poorly planned. It may also be harder to integrate them into your development workflow.

Your test suite's quality may be affected if your tests are difficult to manage or complex. This could have a negative impact on the ability to achieve continuous testing throughout the lifetime of an application.

High start-up expenses

Automated testing has a number of disadvantages, including the fact that it takes a lot of time and resources to set up. This investment can often be quickly recouped by increased developer productivity or more reliable outputs.

Manual Testing vs. Automated Testing: The Differences

Manual and automatic software testing are both possible. Automated testing uses specialized software that can be programmed in order to run tests against the application under test. Manual testing, on the other hand, requires a tester to run the tests manually.

Automated testing is run by computers. Manual tests require a tester to interact with the software being tested. The main difference between automated testing and manual testing is this: Automated tests are faster and more efficient than manual tests because they can be run continuously without the tester intervening. Manual testing is often preferred when dealing with complex scenarios or verifying the user's experience.

When Should You Use Automated or Manual Testing?

The manual and automated testing processes can complement each other in the software development process. Manual testing involves the use of manual inputs to perform software testing, while automated testing uses test automation tools that seamlessly complete tasks.

Several factors influence the choice of testing process. These include, but are not limited to: the type of software, budget, complexity, and goal. Automated testing is very important for executing or performing large test cases within a short time period. Manual testing can be used for exploratory testing.

Both manual and automated testing have their advantages and disadvantages. It's important to carefully consider both approaches before making a decision.


We hope you enjoyed reading our blog about manual vs. automated testing, or, if you prefer, the choice between manual and automatic testing.

Contact us now for the best service and clarifications regarding manual vs. automated testing.

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