Hello Prius Plug-in owners! My name is Armen and I am one of the creators of GreenCharge, a charge monitoring iPhone app for electric vehicles. We also make another app called PlugShare which some of you may be familiar with. I just wanted to notify everyone that we have recently enabled Prius Plug-in support for GreenCharge. If you'd like to check it out, here is the link to the App Store or you can simply search "GreenCharge" on your iOS device. The app is 100% free to download and use. Please let me know if you run into any issues!