iOS devices still claim a significant part of the mobile market, taking up to 22 percent of the sales globally. As many devoted clients… — iOS devices still claim a significant part of the mobile market, taking up to 22 percent of the sales globally. As many devoted clients come back for new Apple products, there is also a great demand for iOS applications. In this article, we are going to look at ensuring the quality of iOS apps striving for the usage of best practices using Appium, Cucumber, and Serenity tools.