When surveillance agencies collect large volumes of cellular data, its easy to understand why youd want an extra-secure smartphone. Those devices arent always affordable, though, which is why FreedomPop has launched the Privacy Phone for $189 contract-free. Its ultimately an old Galaxy S II, but its software boasts some strong secrecy measures — all of its internet-based calls and messages are encrypted, and data goes through a virtual private network (VPN) that masks your identity.