2024-04-02 00:00:00 The SageGlass Symphony mobile app allows you to control an installed SageGlass system from anywhere in the world with an internet connection. With the SageGlass Symphony mobile app, you can now have control of how much sun enters your space without the need for additional switches and interfaces on the walls. SageGlass Symphony is only compatible with installations that have the SageGlass Symphony(R) system installed. Legacy control systems are not supported.