If you have the IO Linc Controller here's how to add your device to MobiLinc HD:
1. Tap "My Devices" (the icon that looks like a keypad).
2. Tap on the "Add Device" button in the upper right corner of the My Devices screen
3. Add in your IO Linc Insteon Address and Friendly Name.
4. Under "Module Type" Use the scroll wheel to select "IO Linc"
5. Tap Save.
MobiLinc will create two devices - One controllable device and one status-only sensor device.