Quality Assurance (QA) plays a vital role in the development of mobile applications which cannot be overlooked as it decides the success of an app. Testing is an important phase in the entire software development process which helps developers to ensure a number of quality aspects of software. Since the testing process alone consumes 40-50% of total development efforts, it is considered as the most significant part of software engineering.Teff Media understands the importance of software testing and shares its in-depth QA/Testing expertise in testing a wide range of systems, from mobile applications to web applications, to web platforms. With the team of the experts who are able to plan and implement high-quality, industrial-grade software Quality & Testing processes. We offer the best of the app QA / Testing services to ensure that a mobile app is working without any issue or defect. We have designed a perfect mobile QA / Testing strategy to help businesses free themselves from complexities presented by multiple platforms, OS types, devices and carriers.