Barbello: Fitness App for Android Download Barbello is a fitness app template for Android that suitable for fitness app or workout app. Barbello is designed with the latest design trend, Google Material Design that is simple and beautiful. It is easy to customize. Data of the app are stored in SQLite database within the application. You can insert sequence images so that the workout images will be generated into single animated image to make it easy for your app users follow the workout steps. Users can create their own workout program for each days.