With everything getting leaked up and IM users increasing to millions, vulnerability is likely to be easier. Encrypted messaging makes sure that your secret stuff is delivered to only the intended users and no one else. Here are some recommended apps that you can use for encrypted messaging. Some of them might also be available on iOS.
So with the release of iPhone 6, apple users finally get a hands on experience on iOS 8. While I appreciate the changes apple has included in its OS, it still lacks a lot of stuff that a smartphone OS can do.