Customers find the product easy to use and appreciate its precise temperature control and seamless app integration. The performance is also noted as a positive, with some experiencing the best shower they've ever had. However, there are significant concerns regarding functionality and reliability, with frequent issues like the system updating unexpectedly, touch screens being unresponsive when wet, and the shower refusing to stay on. Many users report constant problems, leading to frustration and a feeling that the product is not worth the high cost.