Appify Your Dreams: Pioneering Digital Solutions That Inspire! Mobile App Development Any type of Mobile App between USD 190-300. Cross-Platform App Development Any type of Cross-Platform App between USD 449-990. App UI/UX Design Any type of App UI/UX Design between USD 299-599. App Maintenance and Support Any type of App Maintenance and Support between USD 159-599. App Monetization Strategies Starts from USD 599. App Publishing on Play Store Each App costs USD 50.