Additional Note: A weather app is a mobile app whose primary function is to provide weather forecasts and updates (e.g., AccuWeather, iPhone Weather, The Weather Channel, etc.). A mobile app is a software app that is developed for use on mobile devices, such as smartphones and tablets; excludes browser-based web apps. Smartphones are any voice handset with an advanced operating system (e.g., Android, BlackBerry, iOS, Windows Phone, etc.) and features/capabilities that resemble a PC.