Maps+ is an iPhone and iPad Google Maps application from IZE that improves on the default iOS maps app with a few new useful features.
Maps+ lets you record and edit GPS tracks. With a tap of a button you can start recording your location. When you are finished recording you can edit the track by deleting individual waypoints or by trimming the beginning or the end of the track.
Maps+ also allows you to set location based alarms. You can set an alarm at a location, for example for a specific train station when you are on a train, and get a reminder when you reach that location.
The application also acts as a Twitter client. You can use this option to view Tweets around your current location live on a Google Map.