Wisycom BT App is a Bluetooth-based controller for iOS and Android that interfaces with Wisycom Symphony transmitters and receivers. It enables remote configuration and monitoring via a mobile device, including changing operating frequency, adjusting audio levels, managing channels and groups, selecting TX/RX bandwidth, and RF power, initiating recording, and bulk editing multiple transmitters. The app integrates with the official BT App Guide and is available on the Apple App Store and Google Play.