Locking More Than The Lock Screen: Top Security Apps For The Smartphone



Get The RedPhone

Once malware and theft are covered, the next step might be to make sure no one's listening in on calls. RedPhone for Android and iOS uses the phone's normal dialer and contacts to place calls as usual. If the person on the other end also has RedPhone, the app offers the caller an option to switch to a "secure line." It then jumps to Wi-Fi or the carrier's data plan.