What do I need to use the iPhone App? digitalSTROM Support October 01, 2018 10:49 Updated Follow To use the digitalSTROM iPhone App you need a digitalSTROM Server (dSS) and a WLAN/Wi-Fi Router in your home network. Related articles What do I do if the data is not loaded? Which iOS versions and devices are supported? Can digitalSTROM be used with the Apple HomeKit? Where can I find the Android App?