The is a relic of a bygone era in cycling technology. Unless you are troubleshooting a very old piece of software from the early 2010s, you likely do not need one at all. Modern Speedplay products (under Wahoo ownership) work on a "plug-and-play" model where the pedal itself is the key.
Before we dive into troubleshooting, we need to address the elephant in the room. is best known as a brand of high-end, lightweight bicycle pedals (now owned by Wahoo Fitness). They do not traditionally sell software.
Users generally find it functional for basic CarPlay and Android Auto tasks, but some report issues like multitouch not being supported and the app not utilizing the head unit's built-in GPS.