Movelo App

movelo is the largest European provider of electric bicycles in tourist regions with 2,500 electric bikes, 400 rental stations in 40 regions in Germany, Austria, Italy and Spain ... There is more information on http://www.movelo.com/de/elektrofahrrad/, in German but translations are available.
In addition, there is a new movelo app for the iPhone and google phones. This holiday guide  has all the answers during a tour with an electric bicycle in a movelo - region. The information displayed is always up to date and tailored directly to your location even outside of Germany and also works well in Austria and Italy. For example, you can find where to borrow movelo pedelecs or download information on the battery charging stations and/or replacement batteries. In addition, this app includes a route planner, so you can always easily plan your desired route and have the Itinerary in mind. Also the nearest  battery exchange station is displayed constantly.