The latest update to BlackBerry Messenger for iOS, Android, and BlackBerry 10 devices adds more paid-for security functions to the service. The current timed and retracted messages options have been rolled into a similarly-priced $1-per-month Privacy and Control subscription, with the new Private Chat function able to strip out names and profile pictures after a short period of time, minimizing the usefulness of taking a screenshot of a conversation. The Android version of the app has also received a Material Design overhaul, while iOS users will now find their in-app font sizes will be based
