Agile testing is a style of testing that focuses on continual feedback, collaboration, and flexibility throughout the software development lifecycle. It involves performing tests frequently and early, adjusting to changing requirements, and prioritizing testing according to risk. <br> <br>AppSierra is a software testing firm specializing in agile testing services. To assure the quality of the product, they employ several agile testing methodologies such as exploratory testing, test-driven development, and behavior-driven development. <br> <br>Using AppSierra for your software testing needs can give various advantages, including faster time-to-market, greater product quality, increased customer happiness, and lower overall expenses. Their professional and trained testers can assist you in meeting your company objectives by offering timely and effective software testing solutions that are tailored to your specific needs and objectives.