Fanatic for Fifth Harmony is a multimedia application designed specifically for fans of the popular girl group, Fifth Harmony. Available for iPhone, it offers a variety of features that cater to Harmonizers, including exclusive high-resolution wallpapers, Twitter feeds for each member, and detailed bios. The app serves as a central hub for fans to access both visual and textual content related to the band, ensuring they stay updated and engaged with their favorite artists.

In addition to the static content, the app includes curated video moments showcasing the members' best performances and interactions. A notable feature is the built-in social sharing options, allowing fans to easily share their favorite content with friends. To enhance the experience, there is also a quiz game available through a one-time in-app purchase, adding an interactive element to the app that tests fans' knowledge about the group.