https://www.pitpatfitness.com/pitpat-fitness-running-app-for-training/ Using indoor running apps is a very convenient choice. This application can be downloaded onto your phone or tablet, allowing you to use it anywhere and anytime. Therefore, if you are faced with rain, hot weather, or limited time, you can run indoors and use the app to track your distance, speed, and time, which can help you exercise more efficiently.