Manual testing is a crucial part of the software development lifecycle. It involves a human tester manually executing test cases without the use of automation tools, ensuring that the application behaves as expected. This hands-on approach helps to identify bugs, usability issues, and unexpected behaviors that automated testing might overlook.

One of the key benefits of manual testing is the tester's ability to simulate real user scenarios, making it ideal for testing user interfaces, experience flows, and complex functionalities that require a human touch. It's also essential in exploratory testing, where testers creatively explore the software to uncover potential issues.

Though manual testing can be time-consuming, it adds immense value, particularly during the initial development stages and for projects that require frequent updates. By combining manual and automated testing services, companies can achieve a well-rounded testing strategy that ensures both functionality and user satisfaction.

In summary, manual testing services play a vital role in delivering high-quality, reliable software by providing a meticulous, human perspective that automated tools may miss.