See Which Apps Are Using Your Camera, Microphone, and Location Photo: Caitlin McGarry/Gizmodo Protecting your privacy in the modern age isn’t easy, with everything from app labels to online cookies to think about, but knowing what the apps on your devices are up to has to be one of your top priorities—and in particular, you’ll want to know which apps are using the camera, the microphone, and the location associated with your phone and computer. Advertisement You don’t want anyone peering back at you through your webcam when you’re unaware of it, for example; nor do you want mobile apps to be recording audio or listening out unless you’ve specifically given them permission. Location is just as important: Once an app gets hold of this, it knows exactly where you are, and can watch your movements over time.