Creating a resilient mobile app presents various challenges, necessitating the involvement of a top-tier mobile app development company such as Smarther. The development timeline for a simple mobile app typically ranges from 3 to 6 months, while a more complex one may require 6 to 13 months. Factors influencing the app development duration include the development process, incorporated features, functionalities, technologies utilized, the composition of the development team, and the project scope. Entrusting your app development to a reputable company ensures the efficient navigation of these challenges and the successful realization of your app vision.