UNDOK is a companion app developed by Frontier Smart Technologies Ltd for iPhone users. It is designed to connect your compatible SmartRadio or connected speaker to your wireless network and provide you with control over various functionalities.

With UNDOK, you can easily set up your device and add more products to your home network in the future. The app allows you to control key features of your device, such as turning it on/off, selecting the audio source, choosing the audio content, playing/pausing, adjusting the volume, and accessing pre-sets.

UNDOK supports a wide range of audio sources, including Line Input, DAB, Internet Radio, Podcasts, FM Radio, Bluetooth, Amazon Music, Deezer, Tidal, Qobuz, and Napster. The available sources may vary depending on the capabilities of your audio device.