Originally Posted by cmh2001
... Are there any tools that can be used to determine what apps are running on your device at a given time?
Open the menu and select switch application. That will show you running applications, but I'm not certain there might not be apps set to run in the background that don't show. My advice is check the options setting in each third-party app and see how they are set, and switch all to not run in the background. Then test for a while.