Appingine, the first option of some of the world's top brands, was founded in 2008. It is headquartered in Los Angeles, California. It aims to give its future customers the best customer satisfaction. Its development team utilizes trend technologies and practices for its client company growth. Appingine has launched thousands of Websites, Custom Brand Designs, Logo Designs, E-Commerce Services, Development Services, and Mobile Application Design over the last ten years. Appingine has an excellent record of five hundred plus satisfied customers from its Web and Mobile App Development and Digital Marketing Services, and its pace is kept growing gradually. Appingine works closely with customer needs for their projects. Customer requirements are met with internal team members, and a wireframe model or prototype is developed often so that the customer can test if the final product meets the standards. Project managers of Appingine track and analyze carefully the cost estimate of the results of the projects. We choose to report the cost estimate to their clients in detail so they can choose the most suitable plan for their business requirements. Upon completion of the project, the testing and quality assurance staff verify whether the final product does not contain unintended defects or unidentified errors to make sure that the final product is of the highest quality.