I suggest take a look on the blackberry website, as it all depends on what model you have.
No
Yes.
no not really
because my blackberry broke in an accident.
no, blackberry mail is for e-mails, blackberry messenger is instant messaging
unfortunately Blackberry Messenger is no available on any other phones except blackberry's.
The BlackBerry Bold should be able to use BlackBerry Messenger (BBM). It's for BlackBerry OS 5 or newer.
blackberry messenger is a Instant messaging system you can do a lot more than texting alows you to do for blackberry to blackberry only.
No. The messenger has to have Internet to work. How will it be able to connect to the the signals it require without Internet?
No u cant get blackberry messenger on a iphone
The top grossing apps for BlackBerry are BlackBerry Messenger, WhatsApp Messenger, Facebook, Google Talk, Twitter, BlackBerry Protect, Yahoo Messenger, Windows Live Messenger, Photo Studio and Truecaller.
Yes, every Blackberry device comes with Blackberry messenger, which is free to use to message other blackberry users.