Psi Phone is a free Android app developed by Enerlab that helps users select a switch to determine the PSI in just three clicks. It is designed to simplify the process of selecting the right connection for different scenarios, such as wall/facade, wall/balcony with interior or exterior insulation, and acroterion.

The app's range selection covers the most common cases, making it easy and quick to use. It also provides users with the necessary contact information to reach out to their responsible for Schöck case for any additional information. Psi Phone is a user-friendly app that can be a valuable tool for professionals and individuals alike who need to determine PSI accurately and efficiently.