Radio TOPP40 is the official app for the top 40 songs in Norway, available for free on iPhone. It serves as a great alternative to DAB+ radio when you're on the go. With Radio TOPP40, you can listen to the 40 most popular songs in Norway around the clock.

The app also offers exclusive content to users who create a profile and log in, such as ad-free radio in the afternoon, evening, and throughout the weekend. Radio TOPP40 includes features like a login function, CarPlay and car mode, listen later function, and Apple Airplay and Chromecast support. Additionally, the developers are open to feedback and suggestions to improve the app's functionality.