Z100 Classic Rock is a multimedia application designed for iPhone users, allowing them to stay connected with the latest news, weather, and traffic updates in the Missoula area. The app enables users to listen to live broadcasts, interact with show hosts through direct messaging and calls, and receive instant alerts about breaking news and contests.

Key features include the ability to save articles for offline reading, submit photos and videos directly, and participate in station contests. The app also supports Apple CarPlay for safe driving, offers a 5-day weather forecast, and provides functionalities like background audio controls and AirPlay support for wireless streaming. This version includes enhanced multitasking capabilities and is geared towards delivering a comprehensive experience for music and radio enthusiasts.