Developers at SunshineApps have included monitor and control support for the ioBridge IO-204 in their updated app, HomeWatch. This app is designed to interface with many types of home automation gear, power monitors, and webcams. HomeWatch supports ioBridge IO-204 widgets for sensor monitoring and X10 controls; Y-Cam, Axis 207 and Foscam Camera viewing; and TED 5000 power monitoring.
HomeWatch is available in the Apple App Store for the iPhone and iPad devices.
Here is a YouTube video of the HomeWatch App in action: