CopperKnob is an iPhone application designed to provide access to an extensive collection of over 130,000 linedance stepsheets sourced from the CopperKnob website. Users can save stepsheets locally for offline use, enabling access even without an internet connection. The app offers convenient search functionalities, allowing users to find stepsheets by Title, Choreographer, Music, or Any Category.

Additionally, CopperKnob features lists of the website's most recent and popular linedances. Users can also access Music, Demo, and Tutorial videos associated with each stepsheet, enhancing the overall dance learning experience. It's important to note that CopperKnob requires internet connectivity to access and view the live stepsheet archive.